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>> Home > Tags > show

Bristol pilot cutter mascotte by kmbcsecretary Lieutenant   Posted: 8 hours ago
After fitting the 2 lead gel batteries in place (6v 4mah) either side of the mast support and fitting the electrics the sub hull 4mm ply was fitted and glued in place using gorilla glue. If you hadn't guessed I decided to try using the brown gorilla glue on this build to see how it fairs compared to the usual resin and normal wood glue's and I must admit I have been impressed with the results so far . Sorry no pics of this stage as I forgot to take them at the time. This picture shows the area were most of the electrics will be situated for easy access.

HMS HOOD by Trumpeter by RNinMunich Fleet Admiral!   Posted: 11 hours ago
Hi Peter, The Bissy was only in the Baltic for running up and training. In Unternehmung Rheinübung, foray into the Atlantic and the Battle in the Iceland Straight (sorry Denmark Straight), she would have had the normal light grey plus possibly camo colours, here, yer pays yer money and ya takes yer choice! 'As built' she would have been all DKM Hellgrau / Silbergrau (Light / Silver grey) #50 (that's the Lifecolor #UA 601) on the slipway. All the docus, vids and photos I have found don't seem to show any significant camo paint!? Only pic I ever found of Bizzy in camouflage paint is of the Graupner Premium model. Can't find any official record of it. There is some evidence of cammo paint on her sister ship Tirpitz, but it didn't help her, she spent most of her life bottled up in a Norwegian Fjord where she got flattened by Lancs! Cheers Doug 😎 Re Enamel: Maybe attached charts will help you find an acrylic equivalent😉 I will use the Lifecolor 601for mine. PS Bismarck had No later life!! One operation, one ship sunk (Hood 😭😭) and that was that! Can heartily recommend the old 1960 Kenneth More film 'Sink The Bismarck' 👍 Stirring stuff Old Chap, stiff upper lip stuff from the days when we still had a real Navy and hadn't swapped our overseas bases for 50 ancient rust bucket WWI destroyers🤔 By the by: during my 32 years working here (in Naval COMMS systems) I was frequently in the Blohm & Voss HQ in Hamburg, saw several superb yard models of their ships including Bismarck, and many photos, but never a one with camouflage. PPS: as far as i can establish the 'Baltic light grey' was only used on the top sides of smaller U-Boats operating in the relatively shallow Baltic waters. Maybe also a few small combatants such as Schnellboote, Minenjäger etc.

The Lone Ranger Rides Again or Hull Finishing ;-)) by BOATSHED Fleet Admiral!   Posted: 17 hours ago
I see you have shown some small bristle brushes. Yes I do have those all stored in a Cadbury's chocolate finger tin. When I said about bristle brushes I meant larger ones from DIY shops for painting larger area's. But looking at your build blog this is where I am going wrong. You seem to be spraying and I use brushes. I am not very good at the spraying lark. I always seem to get runs. I think I must try to rush the spraying but I also seem to get cans that end up spitting the paint when I use them. I think some more perseverance is needed. Thanks for the information.

The Lone Ranger Rides Again or Hull Finishing ;-)) by RNinMunich Fleet Admiral!   Posted: 23 hours ago
Thank you Boatshed, much appreciated 😊 All the materials used, and the sequence, are shown above with some links to the suppliers. Secret ingredient is patience! What makes the big difference to the final gloss is the protective lacquer from the two part system used on cars these days, followed by two stage cutting back and polishing - WHEN the lacquer is fully hardened! I use a halogen lamp to speed up the hardening a bit😉 Big difference from what I started with - see pics!😁 Happy lacquering, Doug 😎

Aerokits Patrol Torpedo Boat by RNinMunich Fleet Admiral!   Posted: 23 hours ago
PS: Attached is the user manual for a typical Quickrun Car brushless ESC. Par 3 shows how to program it using the TX. Para 5 shows a table of the options available and the presets marked with black background! I used the programmer to set the Running Mode to Mode 3, i.e. No Brake between forward and reverse! the programmer is also useful for setting other parameters; esp number of battery cells and Low Voltage cut off. Hope this helps to know what to expect😉 Cheers Doug 😎

Aerokits Patrol Torpedo Boat by RNinMunich Fleet Admiral!   Posted: 1 day ago
Hi MB, can only say what I have which works and I ain't set the house on fire yet 😉 Not surprisingly for someone living in Munich both mine are from German companies! Robbe Power peak Uni 7 and Graupner Unimat 14. There are later versions of both around nowadays but you can still find these on Amazon / Ebay etc. Both of them have automated programmes for various Lithium types, NiMH / NiCad (not recommended these days!) and SLAs. Robbe is now defunct and their Marine stuff taken over by Graupner and marketed as RoMarin! Pics also show the Balancer Adaptor Boards, necessary to connect the balancer cable of the battery. This ensures that each cell is equally charged 😊 I also included in the pics the little battery Capacity Testers I use. They cost around a tenner and are very useful for checking the capacity before a run or charging, as well as the voltage and capacity of each cell, which gives an indication of the battery condition. I found some duff cells with the tester in a few batteries I'd only just bought 😡 When looking for / buying a charger look also for a LiPo Safe bag to charge them in. E.g. LiPo Guard. Charger may cost 50 quid upwards depending on how many charging outlets you want and how many Bells & Whistles. But I get on well with these two 😉 I like the Robbe version cos I can charge two LiPos at the same time. Also in the pics are a few of the charging cables I made up with gold 4mm bullet plugs for the charger end and Tamiya and BEC (for my Plastic magic stuff!) at the batt end. Such adaptor cables are also available 'ready made' but I just like fiddlin' 😊 Hope this helps, Cheers Doug 😎 Nearly forgot! Can't say for sure what current your motor will draw cos I don't know all the other details, but a 40" boat will need some shove! So I wouldn't go below the 5000mAH if you want a half decent run time. A 40" boat can carry a bit of weight! And batt power is more useful than pure ballast 😉 Recommend a little Wattmeter to check the max current draw - see last pic. Basic theory! A fully charged 5000mAh (or 5AH) batt can theoretically deliver 5A for one hour, or 10A for half an hour and so on! Say your set up draws 20A with the 'pedal to the metal' then a 5000mAH batt will 'theoretically' last 15 minutes. Theoretically cos other factors are in play; initial charge state, temperature, internal resistance of the cells, cable losses etc. The latter is why I only use gold connectors! The higher the batt capacity the higher the price and weight. So suggest you start with the 5000 and see how (long) it goes. Then check the weights of higher capacity batts (and the bank account / management approval😉) Bon chance mon ami!

1/16 figures by marky Fleet Admiral!   Posted: 2 days ago
going to take the figures with me tommorow to show the CAD guru at the work who will scan them for me and then see if he can then 3D print them at the bigger scale will get a few done at 1/24th as well ,he's not sure if the scanner can do them as separate parts head, torso ,legs and arms so may have to stick them temporarily and then scan will let you know how I get on and will post photo when printed ,also said he may be able to print a mould to cast them .Cheers Marky

SkyLight! by figtree7nts Fleet Admiral!   Posted: 3 days ago
The skylight is completed. But not glued in place yet! The picture in the middle show the skylight without detail. Because it has to be painted! I placed 1/4" squared pieces of wood to center the skylight assembly! I'm putting lights on my tug so now. I know where to place the switch! I'm placing it under the skylight! The skylight will be removable to gain access to the switches! The forth picture is of the underneath of the skylight. Just to show what it looks like. And how I used the squared pieces of wood. To center the skylight!

Quiet day at the lake. by Colin H. Fleet Admiral!   Posted: 4 days ago
Thanks Doug, mail on way to you. Thanks to all that suggested email. Just one more gripe, why does the app only show 3 pictures on the posts when there are more online. Cheers Colin.

Cabin roof mechanism by BOATSHED Fleet Admiral!   Posted: 4 days ago
It never ceases to amaze me on the amount of detail some modelers are prepared to go to on their model builds. I wish I had the resources and inclination to do all of this. with what is shown here and all the work robob put into his build. I wish I had a lathe and all the other tooling that some have. I just love to see these build blogs. keep showing the progress of this one please. I does give idea's and inspiration.

The Lone Ranger Rides Again or Hull Finishing ;-)) by RNinMunich Fleet Admiral!   Posted: 4 days ago
Sooo ... Happy with the cabin and main deck so onward and upward with the hull. At a previous stage the hull was already sealed, primed and two coats of gloss Royal Blue, or at least what passes for Royal Blue in Germany - seems a little light to me but I like it anyway. Over-spray from other operations was sanded off with a 600 grit sponge. This revealed a few imperfections around the bow that needed sealing (EzeKote) and re-flattening. No one's perfect!😉 These areas were re-primed using a primer-filler from the pro auto branch, flattened off with 1000 and 1500 W&D and the whole hull given a quick blast of Royal Blue again and flattened with 2000 grit wet. Pic 1. The finishing coats were then applied: 3 coats blue and 3 coats protective lacquer (contains a UV filter😎). Flattening with wet 3000 plus liquid soap between each coat. Finally cutting polish and finishing polish, as for cabin roof and main deck. Polishing might give her an extra knot or so, scale of course😊 Results of all this can be seen in pics 2-6. After removing all the masking tape full effect is shown in pics 8-10. Minor Arrrgh!: the masking tape on the main deck had been on too long and the white on the cabin walls had hardened, so when I removed the tape some paint came with it 😡 No sweat! I'll trim the cabin with a mahogany moulding 😁 BTW: the W&D used here are all Tamiya sanding sponges. Not the cheapest sort of W%D but I'm so impressed with how they work and their longevity that I've acquired a modest stock of grits from 240 to 3000😉 Only slight disadvantage; it's virtually impossible to get old colour out of them, unlike W&D paper, so you need new sponges for a new colour! E.g. I didn't want to use sponges I'd used on the blue hull for the white cabin walls!! Big advantage: you can use them wet on raw wood without staining the wood black! So, that's how I've spent the last two weeks, what have U lot been up to??? 😉 Happy painting people, cheers Doug 😎

Main deck and cabin walls by RNinMunich Fleet Admiral!   Posted: 4 days ago
Sorry the advertised Flash Gordon reel has gone 'walkies' so you'll have to make do with this boring description of how to occupy a day or three and stink out the house!😁 After the eventual success with the cabin roof I continued with the main deck using essentially the same process. First I had to extend the planking (engraving) from cabin leading edge back to the transom. Dad had only done the foredeck. Pic 1 shows starting point. AKA Square One! Pic 2 after initial staining, pseudo planking and sealing. Plank engraving was done with a fine hardened steel scriber / centre punch and a steel rule clamped at 7mm centres. Rule was aligned so that the wood grain pushed the scriber against it. Don't ask how I realised that that was the way to do it (minor Arrrgh!)😡 Anyway, worked out in the end. I had started with cherry wood stain but it came out too bright red so from Krick I obtained some Jotica mahogany stain (also some Oak stain for the decks of my Prince of Wales and Bismarck - but that's another pair of Sagas to be.) Using basically the same process as for the cabin roof: two sealing coats, two matt varnish primer coats, two gloss varnish coats, two protective lacquer coats, polishing with cutting polish and top gloss polish, and lots of patience and elbow grease (this time an Italian Lugana😉) pics 3 to 5 show the result. I'm 'appy with that 😊 Note: to remove build up of sanding residue from the 'planking caulking' I had to resort to an old toothbrush or nail-brush from time to time. The sponge couldn't hack it. The aft deck 'hatch' is still the temporary bodge-up I made 25 years ago to quickly get the boat going for my daughter. Think the ply (ca 4mm) came from the back of an old bureaux! Haven't decided yet whether to make the new one from the same mahogany as the roof or thin ply and stain like the main deck. Suggestions welcome please. After the deck time to turn my attention to the cabin walls, looking pretty shabby and full of over-spray - pic 6 😲 Step 0: masking off, pics 7 & 8 'All Dressed Up and Nowhere To Go'🤔 Step 1: mucho sanding starting with 180 grit and working through to 600 ensuring removal of all traces of blue as I wanted the final finish to be Arctic White (not Ice Blue!) Step 2: two sealing coats, flattening with 600 grit. Step 3: spraying with Revell white primer, not impressed, gave a rough dusty finish🤔 Step 4: sand off Revell muck, flat back with 1000 and 1500 grit sponges, respray with two coats of pro white primer, flattening with 1500 and 2000+ soap respectively. Much better 😊 like the proverbial baby's ...! Step 5: two coats of gloss white, same make as the primer!!!, flattening with 3000 grit sponge, wet + a drop of liquid soap. Step 6: two coats of protective lacquer as with the varnish. Flattening with 3000 and soap between coats only. Interesting effect with this lacquer and the paint (as opposed to the varnish); it seemed to 'melt and fuse' with the paint surface and smooth it out.😊 Just had to be careful not to apply too much at once in case it all ran down and took the paint with it! Step 7: finishing with cutting polish and anti-hologram polish. Results: pics 9 - 11. Final effect makes it look and feel like plastic or fibreglass, almost forgot that there is wood underneath😁 Next in this theatre "Hi Ho Silver Awaaaayyyy!" (Sponsored by KiOra!) or 'I'm gonna finish this hull if it kills me!' (sorry Flash reels got lost in the post😡) Cheers Doug 😎

The Saga of the Cabin Roof or - Arrrgh! by RNinMunich Fleet Admiral!   Posted: 6 days ago
Typical of Aeorokits the cabin roof skin was made of two thin pieces of ply < 1mm. Over the 50 years or so the overhang corners had started to curl up and crack 😲 Pics 1 & 2 show the 'off the shelf' condition after 25 years of neglect 🤔. First I tried to correct this by soaking in hot water and flattening under a car battery (flattens most things😉). So far so good. Then some super glue in the cracks and back under the battery. After a day or two it just curled up again. Ho hum! Pour a glass of wine and back to the thinking board. Seconds Out - Round Two! Thought, OK make new pieces from the 0.6mm ply I still have and paint it - then my eye fell on some 1mm mahogany sheet (Ouch 😭). Tried to make the whole roof skin in one piece of this but the compound curve defeated me. The skin was steamed and soaked in hot water and clamped across the roof frame. Next morning - Arrrgh! Had started to crack along the centre line 😭 More thinks!! Carefully cut down the middle and glued and clamped the separate pieces; pics 3&4. Getting the two pieces to match in the middle was a tedious ***!!! Pic 5. Then mucho sanding. followed by 2 coats of Lord Nelson sealer, sand back with 600 grit sanding sponge. Then two coats of Lord Nelson matt varnish, sanding with 1000 grit in between. then two coats of Lord Nelson gloss varnish, sanding with 2000 grit in between. Pic 6. So far so good, pic 6. 3rd coat of varnish and - Arrrgh 2! 😡 Pic 7. No idea why! Sand off and start again, pic 8 😭 Treated each side separately, pics 9 & 10 and flatted off with 2000 grit. Then applied three coats of clear protective lacquer, sanding with 3000 grit between coats. Finally cutting back with auto paint restorer / cutting polish and finally polishing with anti-hologram finishing polish. Pic 11. Now I'm happy 😊 Pic 12. Only took a week 😉 Next week in this theatre - "I love you too Flash but we've only got 15 minutes to save the world"! or 'Will I ever get this hull finished?" 😎

WTF by RNinMunich Fleet Admiral!   Posted: 7 days ago
Nope, more of a RIRI 😁 On the lake here in Munich I once saw a Powerboat at speed collide with a beautifully built tug. About 3m offshore, right under my nose! Was very glad my destroyer was in dry-dock on the table at the time😉 The speedboat survived but the tug just exploded in a shower of bits & pieces 😭 A 'heated discussion' ensued!😡 I gave my name and address as witness but never heard anything so I assume they 'settled Out of Court'! How did this 'er incident happen? Cheers Doug 😎

1960S Taycol electric motor by RNinMunich Fleet Admiral!   Posted: 8 days ago
Hi All. all good advice for the normal brushed motors in cans with carbon brushes. But the Taycol is a totally different animal! It has no carbon brushes. They are simply stamped thin copper or phosphor bronze sheet. Contrary to carbon brushes they need OILING to reduce the wear and sparking! Attached are some pics from my Taycol Target renovation and modification to graphically illustrate the point. Pic one 'Before', pic 2 the new phosphor bronze brushes I made. BTW: don't EVER put oil on your carbon brushes! Try it if you're curious, but then buy a new motor or try to find some replacement brushes 😉 If you run the Taycols dry they wear the brushes through until they have a hole in the middle and spark like crazy Pic 1. You can put what capacitors you like on, you'll still get interference especially at 27MHz. Pic 3 shows the effect this has on the commutator. Pic 4 shows the renovated commutator, there was more 'meat' left on it than I expected😊 Pic 2 shows the new brushes I made from phosphor bronze sheet. The spark energy density spectrum peaks in the HF band (e.g. 27MHz!) and falls off rapidly in the VHF band (30MHz upwards) to virtually nothing in the UHF and Gigahertz bands. That (and the frequency hopping process the 2.4Gig sets use) is why they don't suffer such interference. BTW: as a matter of probably no interest 😉 most sets only use 16 or 32 of the 85 frequencies available in the band! 😲 The capacitor values given above are unusual and will only work with a 'canned' motor, which the Taycol ain't! The norm for a standard canned motor with carbon brushes would be 0.1µF across the terminals and 0.047µF from each terminal to the can, which with a Taycol you ain't got! Earthing to the prop shaft is also a problem. Where do you connect the wire? There's no 'can'. Frame? That's paxolin! try soldering to laminated iron core if you want. Good luck. Won't achieve much even if you manage it🤔 Once again I ask which Taycol you have, as the construction varies and hence the suppression methods / connections. Imperative is the condition of the brushes and commutator to minimise the intensity of the spark generation in the first place! Also important is how you are controlling the speed: also 'Period' with a Bob's Board or resistor coil and servo driven wiper?? These can also be spark sources😡 Never mind wasting precious battery power as heat😲 If you want to convert to using an ESC with proportional forwards and reverse, which Taycol field motors can not do without reversing the polarity of EITHER the field coil or the rotor coil but not both, I can show you how. I did it with Dad's old Taycol Target, see my Build Blog 'Sea Scout Jessica'. Pic 5 shows my Taycol target dismantled, before the renovation. Pics 6 & 7 the reassembled motor after renovation. Pic 8 shows the motor voltage across the terminals before the conversion, complete with gigantic sparks of amplitude 100% of supply voltage. Pics 9 & 10 show the waveform on the terminals of the modified motor at slow and fast speeds, hence different pulse width; broad pulse more speed, narrow less speed. BUT: virtually NO SPARKS😊 and no capacitors😊 Trick is in the bridge rectifier used to connect the motor to a standard brushed ESC. The diodes in the rectifier suppress the sparks😊 Pic 11 shows the wiring 'lash-up' I made to test the motor before mods. Pic 12 the PSU used for the tests. ESC is a 30A Graupner Navy. Instead of TX and RX I used a simple servo tester to drive the ESC. Scope used speaks for itself! As expected speed control was possible but no reverse. Media File 1 Vid shows the renovated motor running but unmodified, complete with sparks😡 Sorry Dave_M, I can't upload the ozone smell🤔 Media File 2 shows the scope display of the unmodified motor test, complete with the sparks that cause the kind of interference you are suffering from. Wanted to add the final vid showing the clean waveform after the mods but it's too big for the site: 30MB max and the vid is 47MB 😭 Penultimate pic shows the circuit used to connect to a standard ESC (Brushed!) for full remote control proportional forward and reverse. Final pic shows the test set up for the fully modified motor. Note 4 connections: 2 to field coil, 2 to brushes (i.e. rotor coil) as per circuit diagram of the interface board. Have fun, cheers Doug 😎