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๐ฌ Re: Vosper MTB379
2 years ago by ๐ญ๐บ MouldBuilder ( Vice Admiral)
โง 232 Views ยท 1 Like
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Great choice Mike. Looking forward to this build as I always learn a lot with the detail you supply on your logs.
Peter. ▲
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Martin555
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Remove Ads ๐ฌ Re: Vosper MTB379
3 years ago by ๐ฌ๐ง Scratchbuilder ( Vice Admiral)
โง 266 Views ยท 1 Like
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Good morning Mike.
A nice project.Looking forward to it. Especially glad to see that the project involves your Grandson. They are our future in the model world. My latest blog on the Corvette conversion is all centred around one of our Grandsons. Looking forward to the next instalment. Regards Bill. ▲
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๐ฌ Re: Vosper MTB379
3 years ago by ๐ฌ๐ง Martin555 ( Fleet Admiral)
โง 262 Views ยท 1 Like
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Hi Mike,
I am glad that your grandson has shown interest in this hobby and that he has chosen a subject that has a lot of technical bits and pieces that will keep you fully employed wile he is away. Please tell your grandson that i will be following his build log. Martin555. ▲
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๐ฌ Re: Vosper MTB379
3 years ago by ๐จ๐ฆ Newby7 ( Fleet Admiral)
โง 266 Views ยท 3 Likes
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Looks a good job with the scroll saw. I like that you went for ply instead of balsa .
Rick ▲
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Len1
Martin555
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๐ฌ Re: Bulk head assemblies
2 years ago by ๐บ๐ธ pressonreguardless ( Rear Admiral)
โง 214 Views ยท 1 Like
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It is so good to see the younger generation being involved in something other than an IPad.
Trev ▲
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RNinMunich
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Remove Ads ๐ฌ Re: Bulk head assemblies
3 years ago by ๐จ๐ญ Mike Stoney ( Commander)
โง 260 Views ยท 1 Like
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Hello young man !!
I already see you as a professional boat builder. . .keep it up!! Hobbyist greetings Michel-Claude ๐๐๐๐ ▲
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Martin555
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๐ฌ Re: Bulk head assemblies
3 years ago by ๐ฌ๐ง Martin555 ( Fleet Admiral)
โง 261 Views ยท 0 Likes
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Hi Mike,
It looks like he knows what he is doing. Please tell him to keep up the good work as i will be following his build log. Martin555. ▲
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๐ฌ Re: Bulk head assemblies
3 years ago by ๐จ๐ฆ Newby7 ( Fleet Admiral)
โง 265 Views ยท 2 Likes
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A new boat builder enjoying the build.
Rick ▲
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Martin555
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๐ฌ Re: Carlings and Stringers
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 247 Views ยท 2 Likes
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"I would have tipped 'to get cabling for servos etc through a watertight compartment'."
Doug, I did exactly that on the police boat but as I explained its to carry cooling water, however you may notice that all the bulkheads have four holes in each for the purpose of carrying wires to the appropriate places, I feel it makes for a neater finished boat these holes may end up with plastic pipes in them when I've confirmed the wiring requirements. ▲
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Remove Ads ๐ฌ Re: Carlings and Stringers
2 years ago by ๐ฉ๐ช RNinMunich ( Fleet Admiral)
โง 248 Views ยท 1 Like
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"What are the 2 bits of plastic tube for?"
Steve; I would have tipped 'to get cabling for servos etc through a watertight compartment'. I did the same on my 1:72 destroyer, ca 1.4m, using 10mm ally toob for some additional screening from the 'dirty' wiring. Michael; that conforms to a German maxim- Warum einfach wenn es geht auch schwierig? Why simple when complex also works ๐ Cheers, ๐ ▲
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๐ฌ Re: Carlings and Stringers
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 249 Views ยท 4 Likes
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Its for cooling water from the prop scoops to the ESC. It will gather from two scoops (twin props) then into a "Y" connector to one pipe up to mid ship - round the ESC and back to the stern another "Y" connector to send the warm water out of two stern exits. It may seem a bit complex but I do like the difficult more interesting route. Wait while you see the drive train.
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๐ฌ Re: Carlings and Stringers
2 years ago by ๐ฆ๐บ stevedownunder ( Captain)
โง 255 Views ยท 1 Like
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Hi Mike,
Looking very clean, great work from you and your grandson. What are the 2 bits of plastic tube for? Cheers, Stephen. ▲
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Martin555
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๐ฌ Re: Carlings and Stringers
2 years ago by ๐จ๐ฆ Newby7 ( Fleet Admiral)
โง 255 Views ยท 2 Likes
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Mike Nothing like learning on the job. Good for him to be with you to build this boat.
Rick ▲
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Martin555
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๐ฌ Re: Power plant and propeller tubes
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 212 Views ยท 1 Like
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"With reference to turning in a circle". I made this power system to use up a motor (minimal cost) I'm sure that any turning effect due to the twin anti clock rotating props will be minimal and hopefully countered by a bias on the rudder.
The issue of any rotating effect on the hull at start up due to twin props (and usually twin motors) causing the stern to dip isn't an issue since we only have one motor centrally mounted so no different to a normal single prop set up. So since its nearly ready for sea trials we may as wet get it wet and see what happens. If we do end going in circles then plan 'B' will be to source two motors and ESCs and redesign the motor mountings. ▲
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Remove Ads ๐ฌ Re: Power plant and propeller tubes
2 years ago by ๐ฌ๐ง Colin H ( Fleet Admiral)
โง 232 Views ยท 4 Likes
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Good evening Mike, will you be changing your props, as if they are both running in the same rotation your model will be spinning like a whirlpool.
Cheers Colin. ▲
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๐ฌ Re: Power plant and propeller tubes
2 years ago by ๐จ๐ฆ Rowen ( Captain)
โง 236 Views ยท 2 Likes
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Hi Mike,
Congratulations on your well deserved promotion. Quick question, your motor picture shows pulleys on the shafts and motor that will all rotate in the same direction. The screws are contra-rotating, is there a jockey pulley arrangement anywhere? Rowen ▲
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๐ฌ Re: Power plant and propeller tubes
2 years ago by ๐จ๐ฆ Newby7 ( Fleet Admiral)
โง 243 Views ยท 1 Like
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Great look for the power unit. Well engineered.
Rick ▲
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stevedownunder
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๐ฌ Re: Skinning the hull
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 243 Views ยท 2 Likes
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The pictures are with excess glue removed and plenty of disposable gloves in the bin.๐
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RNinMunich
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๐ฌ Re: Skinning the hull
2 years ago by ๐ฆ๐บ stevedownunder ( Captain)
โง 247 Views ยท 2 Likes
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Hi Mike,
I bet your grandson was really happy to see the bottom and sides go on. I hope he wasn't like me at that sort of age with more glue on me than the job. Great work. ๐๐ Cheers, Stephen. ▲
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GaryLC
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐จ๐ญ Mike Stoney ( Commander)
โง 206 Views ยท 1 Like
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Hello MTurpin!
Now everything is clear to me after your execution !! Thanks for the good explanation. Best regards Michel-Claude ▲
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Remove Ads ๐ฌ Re: Fibre glassing the hull
2 years ago by ๐จ๐ฆ Ronald ( Admiral)
โง 212 Views ยท 0 Likes
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Eze-Kote is the same, in my opinion, as water-based Varathane, milky in colour, water n soap clean up, low odour, and a can like the one pictured, 946ml, is $18 in Canada. EZY Coat 500 ml, at the hobby store was $25 and not always available.
One more thought about the water based Varathane, it is available in Gloss, Semi-Gloss and Low Sheen. It is the only product allowed in many of our High School wood shops because of its low odour, itโs water cleaning capacity. Polyester products use Varsol cleaning of brushes, they create odours not always appreciated by other classrooms and some are allergic to these fumes. Plus it is a big No No to put these products down the sink drains into the sewer system! So, water based products have become the norm. They are more expensive, and in some applications, less durable, but far less of an environment issue. ▲
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐บ๐ธ pressonreguardless ( Rear Admiral)
โง 216 Views ยท 0 Likes
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Thank You!
In my years of working with full sized boats: Polyester for fiberglass, Epoxy for wood, This is a true revelation for me!! Trev ▲
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 219 Views ยท 1 Like
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Hi Ron your right, with a keel I would go for a 2 piece covering if possible and a further stern piece. My thought being that as little overlap is the best method. Your comment about overlapping brought to mind using heavier stranded cloth when glassing into a mould, when it is the preferred method and the surface finish isn't a requirement as the mould gives the smooth finish.
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stevedownunder
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 219 Views ยท 1 Like
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Fibre glass by its very construction is a woven cloth and as such doesn't require to be overlapped since the weave gives it its strength, this of course may be necessary if you are working around a part that requires cutting or patching. You could if you wanted a stronger shell use a heavier cloth or give it a second covering but having to use filler on overlapped lips seems to be counter productive
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฌ๐ง mturpin013 ( Admiral)
โง 219 Views ยท 4 Likes
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Deluxe Materials Eze Kote Finishing Resin 500ml S-SE51 ยฃ19.50
Laminating and finishing resin for balsa and foam models. Eze-Kote is a 1-part water based foam-safe, low odour, resin alternative to epoxy. Brush onto balsa and light glass cloth to create a tough, ding and fuel resistant film that can be sanded easily and painted after 20-30 mins. Features Easy sanding Low odour Foam safe Water clean-up Coverage: 75ml covers approx. 1m2 per coat ▲
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MouldBuilder
pressonreguardless
stevedownunder
overthesea
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐จ๐ฆ Ronald ( Admiral)
โง 226 Views ยท 1 Like
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐บ๐ธ pressonreguardless ( Rear Admiral)
โง 224 Views ยท 1 Like
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Hi Ron,
You set the cloth with the Varathane? Thanks, Trev ▲
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stevedownunder
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐จ๐ฆ Ronald ( Admiral)
โง 225 Views ยท 2 Likes
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Interesting how you take on the challenge of glassing the hull. When I do mine boats, it is done with multiple strips, overlapping, and when dry, lightly sanded. I use a auto body filler if needed which is how I was taught. Then sanded smooth, a couple more coats of clear before painting. I use the water-based product seen in photo, works very well and virtually no odour. Soap and water clean up too.
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stevedownunder
pressonreguardless
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฌ๐ง jimdogge ( Warrant Officer)
โง 235 Views ยท 2 Likes
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Hi Mturpin l did not know about a water based resin and have been very reluctant to use fiber glass or two part epoxy because they are so messy. Thank you for this.
Stay safe. Jim ▲
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stevedownunder
xtramaths
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ณ๐ฟ Vanya ( Leading Seaman)
โง 226 Views ยท 2 Likes
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I would like to know more about this water based resin please. Can you provide a reference to the brand? I'm in New Zealand but obviously it is non hazardous Im thinking? Thanks.
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Remove Ads ๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฌ๐ง wunwinglo ( Petty Officer 1st Class)
โง 233 Views ยท 2 Likes
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I HAVE USED THIS RESIN AND FOUND IT TO BE EXCELLENT AND EASY TO USE. i had a tug that my father had made in 1953, on which the hull had gone porous. As it was a finished, detailed model , I did not fancy using polyester as it is so bloody messy. Instead , I first gave the hull two coats of resin, inside and out, the exterior well rubbed down. Then it was covered not in glass cloth but heavyweight model aircraft tissue. Suitably rubbed down, it worked a treat and the finished hull looks really good and has remained watertight ever since. The hull was bread and butter construction in obechi.
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stevedownunder
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐ฆ๐บ stevedownunder ( Captain)
โง 231 Views ยท 1 Like
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Hi Mike,
Lovely explanation, I also haven't heard of a water based resin, good to learn something new. The water based resin would be much better to use with your apprentice, fumes from polyester are quite nasty. Cheers, Stephen. ▲
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pressonreguardless
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๐ฌ Re: Fibre glassing the hull
2 years ago by ๐บ๐ธ pressonreguardless ( Rear Admiral)
โง 234 Views ยท 1 Like
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Nice Glassing job.
I am familiar with polyester and epoxy resins. What is water based resin? Thanks, Trev ▲
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stevedownunder
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๐ฌ Re: Twin Rudders and water scoops
2 years ago by ๐ฌ๐ง BOATSHED ( Lieutenant)
โง 91 Views ยท 0 Likes
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Nice work, I like the stainless steel springs in the water coolinng scoop pipes. They can also be used as a filter for any weed or other debris that may get picked up in the cooling water. Great idea. I will have to try this myself.
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Remove Ads ๐ฌ Re: Twin Rudders and water scoops
2 years ago by ๐บ๐ธ pressonreguardless ( Rear Admiral)
โง 176 Views ยท 0 Likes
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Beautiful work!!
Very Clean Gives me something to strive for! Trev ▲
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๐ฌ Re: Twin Rudders and water scoops
2 years ago by ๐ฆ๐บ stevedownunder ( Captain)
โง 182 Views ยท 2 Likes
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Hi Mike,
Great description. Lovely home made components, as usual. Cheers, Stephen. ▲
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GaryLC
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๐ฌ Re: Decking
2 years ago by ๐ฆ๐บ stevedownunder ( Captain)
โง 159 Views ยท 0 Likes
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Great work Mike,
Looks like the photos have appeared, I also had problems loading photos last night, maybe there was a problem with the site. Cheers, Stephen. ▲
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