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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Great Minds๐ Guten Appetit
I'm making some fish n chips ๐ ๐ ▲
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7 years ago by ๐ฌ๐ง Westquay ( Commander)
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We had started throwing the Chinese pots away again as I was getting too big a pile, but tonight's meal came in an extra deep one, so they will be looked for in future. Something like a Mini won't fit in a normal one.
Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep, inside the box is a little 'Caviar' ๐ glass for the remaining nuts, screws and washers! ๐
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Chinese takeaways come in those now, Doug, so they get washed up and every job that'll fit goes in one with a bit of tape on the side, written on on felt pen so I can see it at a glance in the pile. They stack well too.
Small bits go in those nice little pots that a certain doggy food comes in. I have spent too long looking for stuff on hands and knees! Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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I have a couple of old Avos that were my Dad's, both in nice leather cases, but what to do with them? The batteries are no longer available!
M ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Martin,
Roger Wilco wine! Thanks for the drill offer, gratefully accepted, have no idea what state Dad's old drills are in. Most of the tools I found in shed when he died were rusted ๐ค But I did find a big old Avo-Meter, dirty but working. A museum piece! Address coming per e-mail. Thanks again ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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See if the wine person knows of my Erben Merlot Spatburgunder?
Ta, Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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No!! you don't need to change the shaft. I have 3.32" drills because modern sot cars are almost universally 3/32", even most of the foreign ones. Natch, with a small lathe I make my own bearings and a 3/32" drill is part of the kit I use. Holler if you want one anyway.
Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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What ho! Just been invited to a wine tasting on Friday ๐
"Normal service will be resumed as soon as possible!" ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Martin, many thanks for your generous offer ๐ But do you mean changing the shaft? Oiweh! But thanks also for the tip, of course that's 3/32. Shows that he shaft is barely worn๐ I'm sure I've still got Dad's old drill set around somewhere. Down to the cellar again!
That's my problem after 30 odd years here. When I run into a job like this nothing fits quite right ๐ค I even had to improvise the Allen key to get the setting ring off the output end of the shaft! Not the first time I've ground a tool down to fit something! Wasn't Napoleon also the berk that started everyone else riding / driving on the right ? Originally knights and co rode on the left so they could use their right arm to to draw sword and fight if necessary, or so the legend๐ ▲
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7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Looks as good as my NOS, unused one! No, 2, sorry, hehe!
Royal blue as in Bluebottle or Bloodhound? Just not navy blue, Ughh!!! You'll know when you find it. Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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My Standard is the more usual 3/16", but the Meteor is also 3/32", but my SEL, a very similar motor is 1/8". Ah such splendid Queenly measurements instead of your annoying Napoleonics.
Cheers, Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Doug, as a slot racer I know 2.38mm is 3/32, the size of my axles. if you send me your address by e-mail, I'll send you a coupe as I have a pack of ten.
Cheers, Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PS When I reassembled it, and properly aligned everything on a flat board while tightening the nuts, I was astounded and happy to find that there was practically no slop in the so called bearings. I'm still considering fitting sintered PB (that metal again!) though! For longer life. Nearest bearing I have is 2.0mm ID.
Anyone got a 2.4mm drill? According to my micrometer the shaft is 2.38mm. Nearest I got is 2.5, too sloppy, worse than the paxolin is ๐ค ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Flippin' 'eck! Which of the 17 million Royal Blues did you mean???
I assume you mean the original darker version with a hint of red/purple? Might start with primary blue and add a dollop or two of maroon or burgundy! Yep, you're right navy blue knickers were rather boring, but the contents generally not so ๐ Don't know when you were last in Munich but Conrad now has two stores here, a small overcrowded one in Tal in the city and a newer huge superstore opposite the Olympia Einkauf Zentrum in the north of the city. That's right, where that nutter started shooting at people last year! if they ain't got it it probably ain't made๐ 'Qual der Wahl' as they say round here. Wanted to see what the Target was going to look like, so here a couple of impressions. I'm rather pleased with it and myself ๐ Can't wait for the PB to arrive. Just discovered another use for it - thrust washers๐ฒ Cheers ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Ah, Conrad! Fantastic shop. Went there when I was in Munich. Amazing stock.
You're going for Royal Blue? Great, make sure it ain't navy blue. it might have been the colour of knickers, but it's still 'orrible. Glad you got some PB. Sheet's good. M ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Soooo, everything ordered, including the bridge rectifier for the reversing circuit ๐ So next weekend is brush-making weekend. Which is good cos the weather here is going to be stinky again ๐ค
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PS I think Royal Blue is a great idea๐ Off to the paint shop tomorrow. Some things you DON'T buy on-line - unless you already know them well! ๐
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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What do you mean by width? The site you mention only seems to have flat bars down to 1/8th thick and 1/2" wide! How many tons do I have to buy? ๐ The stuff I found, and am about to order, comes in 200x150mm sheets 0.2mm thick. โฌ6.99. Can't grumble Grimble! I'll order some other bits and pieces I need as well - so I can use my discount code ๐ Good ol' Conrad ๐ What was the old TV series "Never mind the quality - feel the width" ๐
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Ha!, we crossed posts. Does yours have any width though?
M ▲
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7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Found these. You'd have to make the brushes. No flat strip of any width on ebay.
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Bingo! Got some, should come Thursday or Friday. Will have enough to go into production, but its useful for other stuff as well.
It's 0.2mm which is a shade under 8 thou, bit thicker than the original 5 thou but it'll have to do. Maybe it'll last longer ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PS @ Dave-
I'm doin' my bit for the ozone layer! Green e-motors !! ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Thanks Martin๐
I've got my Researcher hat on me 'ead and a glass of Custoza on the desk ๐ Cheers ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Looks amazing, Doug. I didn't need to go that far with my Supermarine, but let's hope the motor performs when you try it out. Don't know about Germany, but I would think you can get PB from ebay. There are several model engineering suppliers who flog it.
Keep up the good work. Martin ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Thanks, dats wot I tort!
Core checks out 0.2โฆ every which way and no shorts to any windings ๐ Coil shellac looks fine no cracks or flakes. That's good cos I already ruined the oven once by baking bowling balls to get the oil out! Makes a hell of a difference to the hook shot. (Another man at fine leg please ;-) Am checking for p/b sources here, might take time, real model supplies shops are getting rare here as well, worse than in UK. in the meantime will plod on with reassembly. The running in info makes sense, like we used to have to do with new cars or new rings / bearings. Brush setting instruction also mentioned starting at around 2V. Ta for the support. ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Hi Doug
Glad to hear the laminations were ok. They should be in close uninsulated contact and are usually packed tight when constructed. Old motors are renovated by dismantling then cleaning as you have done. Shellac can and does crack over time but can be restored by soaking in new solution then baking in an oven. Sorry was winding you up a bit on this, I'm sure the trusty Taycol will be ok for a good few years and you can check for any shorts to the laminations with a meter. Phossy bronze as per the original would be my choice. We have some good local suppliers so I can usually source without resorting to cannibalism!! It is a longtime lalglo but I seem to recali the instructions n running in suggested low power for some time with plenty of oil. That and the ozone will bring back fond memories. Dave ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Dave, Thanks๐
Bit of an adventure for me! Renovated / repaired many things in my time but never tried anything like this before ๐ฒ Rust on the core was just surface and cleaned of nicely with a steel wire brush in the Buffalo. inside edges are nice and clean. See pics in part 2 and attached. On the outside edges it was mostly dirt and discolouration of the shellac, or whatever it is! Carefully splayed a few laminations under bright light using a jewellers glass and couldn't see any rust๐ Should they be insulated from one another?? Eddy currents was never my thing. Shellac: I sure don't propose to unwind the coils clean the laminations and then rewind! Life's too short to go that far for curiosity. What would you suggest? Brushes: see part 2 for my intentions. Since then I've also been considering cannibalising a redundant motor for some phosphor bronze. Don't want to use the whole carbon bit as well due to the power loss. What do you think? Commutator: Yep, I had luck there, brushes hadn't started chewing them up ๐ Crimps under pax disc also perfect. Didn't find any crimp connections on any coils! All soldered, and all coils measure 1.1 +/- 0.1 on the Ohmmeter (less 0.2 for the test leads). Seem OK ๐ Will repair the brushes this evening and then try to put everything together again. Thank God for digital cameras! Monitor on the bench to show me how I took it apart ๐ Cheers ๐ ▲
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๐ฌ The Taycol Target Renovation
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Hi Doug
Has come to bits nicely and yes generally looks restorable. The steel laminations look rusty and if this extends inside the stack the electro magnet will not be that efficient. Are you intending to rely on the original shellack? Interesting brushes. The comm has cleaned up better than many I have seen when new. Hopefully all the crimped coil connections will be good. I had to repair those on my double special. Look forward to hear how you progress Dave ▲
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๐ฌ Target Renovation Part 2
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Caaarbon!! Aih Say Sir, Gadzooks! ๐
See Part 3; I just made new phosphor bronze brushes, about to reassemble and test! ๐ ▲
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Remove Ads ๐ฌ Target Renovation Part 2
7 years ago by ๐ฌ๐ง Scratchbuilder ( Vice Admiral)
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Hi.
I had the same problem a couple of years ago with my Taycol Target.I removed the Existing brushes, flattened the worn segment ends and soldered new carbon handmade sections onto the old brass brushes.They have worked fine to this day.NOT original I know but effective. Bill. ▲
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๐ฌ Target Renovation Part 2
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Noggin the Nog ?? ๐
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๐ฌ Target Renovation Part 2
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Thanks Martin, I'll check it out and compare prices (inc. postage!) / delivery. ๐
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๐ฌ Target Renovation Part 2
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Hi Doug
I know you may have sourced some but I find Noggin End a good supplier of metals to model makers and all to full spec, not offcuts. ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Sometimes (often!) takes me a while to get started, but then -
Don't get in the way! Since working outside (sanding etc) has just been nixed by the weather think I'll start on the reversing circuit. Cheers Doug ๐ ▲
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7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Excellent. So now it's all up and running.
That was a quick restoration too. Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep, or 5.6mm! My micro is metric! Checked the thread as well ~ 3.2mm or 0.126" ๐ Hmm, just started peeing down - again ๐
So, onward and upward, will start on he actual boat after lunch. Ciao for now ๐ Many thanks all for the offers of help with the nuts๐ ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Brilliant! Yes they too use odd number threads.
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Apparently, across the flats of 5BA should be 0.220".
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Checking the thread and nuts with a micrometer they would seem to be 5BA. ๐
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Nope, Meccano can't cut the mustard, one size too big. BUT, had a brainwave and took apart an old 13A plug, wire clamp nuts are perfect fit! For symmetry I changed both sides.๐
What do we learn from this (apart from being more careful with small parts!) Never throw anything away, unless it starts to stink! ๐ค ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Thanks Martin, meanwhile I'll see if I can find my old imperial taps & dies.
Haven't used 'em for yonks! Gisela has a separate flat so that's one problem I don't have! ๐ ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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I'll have a good look at my ones later and see what they measure up to, Doug. Wife's still sleeping so I can't make any noise for a while.
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Dave, Martin, from eyeballing 4BA looks about right. A 5.5mm nut spinner just about fits! Meccano is a good tip, I've got an ancient set kicking around somewhere. I'll go exploring in the cellar. if I don't report back within a week please send search party! ๐
Maybe she growls and protests more at higher voltages, at the moment it's just a quiet hum. Haven't pushed my luck yet! Cheers Doug. ๐ Good luck with Proxxon Dave. I was wondering how you ended up with 120V coils!? Bought in USA ?? ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Oh dear, you don't. I suspect I'll have to find out what BA they are and send you some. Unless you know what size it is, in which case I can recommend a company called BA Nuts and bolts .co.uk
I just got some 9BA nuts, bolts and a tap from them to suit the 1/16th" pivots I've made for the Vanity model. if youever wondered what used the odd number BAthreads, it's Meccano (3BA), Stuart Turner steam engines(7BA) and anything with a nice round 1/16th" (9BA). I have taps and dies for them all now! Do you mean to say that she doesn't have a growl when running. Maybe it's just the bigger ones. Martin ▲
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7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Hi Doug
Good to hear it is working well. Many thanks for the Proxxon details. I will contact the UK agent. You will have to ask Stephen (Fireboat) about MP4 files. If you want to share video U-tube is easy to use does all the hard work for you and you can restrict who has access. Hope you can find a way to post the motor video. Are the nuts 4BA? Dave ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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So, motor works - tomorrow on with the boat renovation; hull clean up, inside and out. Goodnight from Munich, Schlaf gut! ๐
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Martin, yep I'm rather chuffed! ๐
Not so much noise or sparking as I remember ๐ Done some tests, all OFF LOAD at the moment of course. Current drain hovers around 250 to 300mA at any voltage up to 4V haven't gone any further yet, she stalls at around 0.5V, restart alone at 0.6V. she's chuntering along at 3V, stage 2, at the moment but shows no signs of distress. The beast just threw oil on to me goggles ๐ก Stall current at higher voltages 0.95A. I'd set the PSU to limit at 2A, just in case! Have made video but have 'keine Lust' to go via You Tube!! I still intend to fit sintered bearings tho. Soon as your bits arrive. Ta much ๐ Only one snag: I've managed to lose one of the brass nuts securing the end frames ๐ญ Where the H--l do I get imperial brass nuts over here??? Cheers Doug ๐ ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Fantastic result, Doug, well done. I look forward to hearing that Taycol noise. I love it!
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi Dave, Address and link (English!) to German Service centre
PROXXON GmbH Service Centre Industriepark Region Trier Dieselstraรe 3-7 D-54343 Fรถhren / Germany ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PPS @ Dave, I don't You Tube! ๐ค
Can't I upload an MP4 file ? ๐ ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PS re Proxxon service centre / spares let me know what you need and I'll track 'em down. Cheers Doug ๐
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Hi All, I'm 'Chuffed to little mint balls!' ๐
She runs sweet as a nut, draws 0.25 to 0.3A from 2 to 3.5V. Haven't pushed any further yet. She's chuntering along at 2V 0.26A running in at the moment, but anticlockwise seen from the output end!? Much less sparking than I remember, but OH that smell! I'm doing my bit for the ozone layer ๐ Here coupla pics, I've made a short vid of the sparks. How do I upload it here?? ▲
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Martin555
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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I have no luck drilling holes anywhere I want them. I bought a minidrill stand and find it only fits a square block Bohler drill, but with a little gizmo I made I can hold the hand piece of my pendant flexible drive. I went halves with my son on a pillar drill. it's at his place! I have an electric drill stand which does at least work well, but won't hold tiny drills. So.....I use a model railway rivetting machine on thin sheet metal and then file the pip off the back and open up the hole that's left with tapered broaches and then if necessary, a fine rat tail Swiss file. Silly, innit? But it's all that works for me. I have never made a wire wheel yet and never shall unless it's with photo-etched parts.
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Looks pretty good Doug. Brass & Bronze are always difficult to drill. Centre punch is essential and your miller would make a good drill press. I have a small drill press designed for printed circuit board drilling that I use for smaller jobs.
I have a Proxxon detail sander that stopped working. The coils are 120v but I cannot find a UK repair centre, is there one in Germany? Will you video so we can share the sparks !*! Dave ▲
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Remove Ads ๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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I lost four customers to 3D printing and that was when it was seriously shite! These days it can be quite good, so I'm waiting for the day when, having taken my newest trade of clay modelling and then technical illustration, the pootah will finally take even that simple relatively cheap work I used to do on slot car patterns. But it can't take wood away, so there's always that left I suppose.
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep, I got the printer, ain't dun nuffin wiv it yet!
It's one of a number of things I collected, tools and parts, books etc, while I was still earning a full decent wage. Planning ahead ๐ When I've got nothing better to do I'll calibrate it and start learning. Attached pics of new brushes assembled. 3rd pic one new one old. About to put it all back together and test. if you hear LOUD cursing from the SSE you'll know who ๐ ๐ ▲
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Martin555
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Ain't nuttn cheap about Proxxon. I only got my Proxxon drill and transformer in a once in a lifetime deal! You have a 3D printer? Can you do the CAD for it? My son also has a 3D machine and does some good stuff using free files, but he's having luck with a thing called TinkerCAD.
Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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I's nothin' fancy, only a 'cheap' Proxxon no PC control etc. But it come in handy when you need a little precision, or for cutting tracks on PC boards.
There's supposed to be an Add On for the latter for my 3D Printer, but that hasn't even been tried out yet. First things first! I'm now happy with the first brush, sits well on the comm. Starting on the 2nd. Test run tonight - maybe ๐ ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Oh, I don't have any luck with milling machines. if I did and could ever have afforded one I'd have made working model IC engines.
Looks like the brushes are in good hands there. Martin ▲
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep! Just had to relearn that! Would you believe I did production eng. as a sideline at college!? Many moons ago ๐ฒ
So, Managed the drilling by misusing the milling mach. as mini drill press! De-burred and polished up in the mach. vice from the milling mach. and trial fitted. Minor adjustment to the angle and trimming the inside edge and I'll start on the 2nd. BTW, sorry no Erben Merlot at tasting, mostly French, a few German whites. Didn't stay long. Cheers Doug ๐ ▲
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Brucef102
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๐ฌ Taycol Pt 3. New Brushes Pt1
7 years ago by ๐ฌ๐ง Westquay ( Commander)
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Always best to drill the uncut metal in case it goes awry and because drill rarely go where we want them to, so drill first cut second, file against vice jaws to final shape/size. Good progress so far, mate.
Martin ▲
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๐ฌ Taycol First test with ESC.
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep, I can hear the tone, now the motor growls!
Not the Beatles Lucy! I meant the little guy with the German helmet who always appeared at the end of the Rowan & Martin Laugh-In on Saturday nights! Many many moons ago ๐ค Cheers Doug ๐ ▲
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Remove Ads ๐ฌ Taycol First test with ESC.
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Hi Doug
The sparks are being controlled by the diodes as you suspected and as shown on the skope. The frequency will be a factor. I suspect you can probably hear the tone through the coils, depending on your hearing. Last I heard Lucy was still up there with the sparklers! Be interesting to see more skope pics once you have tidied up the wiring. Dave ▲
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๐ฌ Taycol First test with ESC.
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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PS to Taycol Target / ESC tests: interesting side effect! The sparks have gone ๐ Sorry Dave ๐ค
Presumably they are damped by the diodes. The 800Hz switching frequency, as opposed to constant DC, may also play a role. "Veeery interestink, but don't forget to tell Lucy!!". Showing my age again! Cheers Doug. ๐ BTW copying expressly desired! ▲
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๐ฌ Taycol Test 2 with reverse :-))
7 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Yep! I remember the snow and prancing round the room with loop antennas trying to get a half decent picture!
Marconi transatlantic tests!! Will update as appropriate. Missing the ozone scent ๐ค Oh well, you can't have everything I suppose. Cheers Doug ๐ PS the 'secret' was clear! ▲
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๐ฌ Taycol Test 2 with reverse :-))
7 years ago by ๐ฌ๐ง Dave M ( Vice Admiral)
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Glad you got it working. The secret is to change the polarity to just one set of coils otherwise you reverse both magnetic fields. The bridge rectifier achieves this.
Current draw is as you say well within spec. Pic 5 says it all really. Those spikes are nearly full voltage and will defo be a problem for any ESC that doesn't have fast protection diodes. They are acting as spark transmitters and explain why early TV sets were so vulnerable to interference. Modern Rx are much more sensitive and ESC's will react to this high pulse, so it is not surprising they suffer from interference if no suppression is in place Hope you do an update when you have completed the wiring Dave ▲
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๐ฌ Progress on the hull - At Last!
6 years ago by ๐จ๐ฆ Donnieboy ( Warrant Officer)
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Gold sounds good.What about a cream colour.Beautiful job on the boat.
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Remove Ads ๐ฌ Progress on the hull - At Last!
6 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Mornin' Donnieboy, Thankyou๐
That was just the first phase of the hull job, see above for the latest instalment! You might be right about the white ๐ Light blue may not stand out enough though? Have been pondering gold? Ciao, Doug ๐ ▲
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๐ฌ Progress on the hull - At Last!
6 years ago by ๐จ๐ฆ Donnieboy ( Warrant Officer)
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Nice paint job.What about using a light blue pinstripe.The white I feel will overpower the blue.Just a thought.
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๐ฌ Progress on the hull - At Last!
6 years ago by ๐บ๐ธ figtree7nts ( Admiral)
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I like the Blue, Very nice shade of Blue!๐๐๐
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๐ฌ New drive Train and Oiler
6 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Cross my palm with silver!!! (Just call me Fagin๐)
Labour and materials free of charge. Travel expense only will be charged: 'At Cost'! Business Class of course๐๐ Before I started on that little exercise I spent an hour or so cleaning, oiling and adjusting the set screws! The actual work only took about 15 or 20 minutes๐ฒ ▲
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๐ฌ New drive Train and Oiler
6 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
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your milling machine looks so clean can you come round and clean mine
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๐ฌ The Saga of the Cabin Roof or - Arrrgh!
6 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Did you mean me John? Or Mike?
I had considered planking but my mahogany planks are very very thin about 0.5mm x 5mm wide, and I would still have had the problem of 'warping on' a plywood base skin. So I persevered with the mahogany veneer and I'm happy now with the result of making it in two pieces. matching the edges for the centre line joint took the most time ๐ค More power to your plank cutters Gents๐ ▲
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Remove Ads ๐ฌ The Saga of the Cabin Roof or - Arrrgh!
6 years ago by ๐ฌ๐ง onetenor ( Sub-Lieutenant)
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Could you plank it or would matching the joints be hard to do?๐ค. I suppose they could be veed to disguise them?๐ค๐
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๐ฌ The Saga of the Cabin Roof or - Arrrgh!
6 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Evenin' MT, Thanks๐
Yep I know blooming from my car restoration days. Causes a dull satin effect with some whitish fogging ๐ก That's not what happened here, suddenly a patch of yellowish spots appeared under the gloss!๐ญ Only thing I can think of is that with the last flattening with 3000 grit I used a drop of liquid soap to lubricate the sanding sponge, gives that almost glass finish. Maybe some soap residue was still there and the next lacquer coat reacted with it? The soap is a trick I learned during car repairs. Of course then I could wash it all off with a big sponge and chuck a bucket of water over it! Not such a good idea with a model wooden boat๐ค Re 'Your skins' ๐ฒ I used mahogany 'because it was there' and I suddenly had a picture in my mind what it could look like (Riva style๐) if I could do the job right! I'm pretty happy with how it eventually worked out ๐ Not sure that a mahog roof fits the image of an RAF boat? and painting it would be a shame ๐ค But if you do decide to use it you may have more luck with 0.5mm, mine was 1mm+. What are the 'existing skins'? Re clothing: I didn't do that, didn't want to risk obscuring the wood grain on the outside and the inside I had sealed with two coats of EzeKote anyway. Cloth would have been superfluous. But if you're going to paint the roof anyway then - why not? Would give strength and rigidity. Thicker ply? More than 0.5 / 0.6mm and you may have the problem I had with the compound curve!!! Cheers Doug ๐ ▲
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Colin H
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๐ฌ The Saga of the Cabin Roof or - Arrrgh!
6 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
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Hi there, Patience is a virtue, of which you appear to have a lot. AS for your slight "blooming /blushing my only answer is (raining or exceptionally cold or humid weather which often occurs when rapid evaporation of solvent cools the air over the coating below the dew point.) (internet is brilliant) however
you've set me thinking now as as you will have seen in my blog having got the roof mechanism working I have yet to apply the skins. I appreciate any thoughts on - 1 Using existing skins? 2 Using existing skins and then f/glass and cloth both sides? 3 I have a quantity of mahogany veneer 0.5mm from memory, three sheets cross grain and glue whilst the held in the compound curve? 4 use thicker ply? ▲
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๐ฌ Main deck and cabin walls
6 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
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Many Thanks MT, ๐
You're right! I've already marked out the 'hatch' on some 1.5mm mahogany to match the roof. Have to think about the surround, i.e. have a rummage through the bits box! But I reckon you're right again, it would look better with some sort of frame. Still haven't figured out what to do with the cockpit, or even what scale crew I should be looking for ... Help!๐ฒ Re Cabin roof detail .. That's it for now, until I start fiddling with mast and lights an' such ๐ What did you want to know? I've got a ship's wheel ca 1", some chrome deck fittings and Skydive has given me some inspiration regarding the 'Pulpit' rail, apart from that ...... Ciao, Doug ๐ Just remembered; I've started cutting out some 1.5mm mahog strip to make the wooden handrails on the roof. More later ๐ ▲
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๐ฌ Main deck and cabin walls
6 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
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looking good, as for the aft deck 'hatch' go for mahogany, and maybe a bit of surround in another wood round a hatch to break up the area. Anymore detail on the roof?
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