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>> Home > Forum > Building Related > U49 mclaren clockwork submarines.
U49 mclaren clockwork submarines.
Author Message

Forum Posts: 46
10th Jan 2019 09:33  
>> Permalink

Ahoy Mateys, Just a little insight into constructing tin hulls from scratch.Having spent the outrageous sum of 50p for the tin from a charity shop carefully de-construct,flatten and mark out the template. Cut out the elipse then work on a sandbag untill its sufficiently hollowed.Roll and smooth out the planishing marks then cut the bowl right down the center.Reverse the two pieces then solder together. All done by hand and takes a couple of hours Cheers Neil. mclaren clockwork submarines.

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(Fleet Admiral!)

Forum Posts: 290
10th Jan 2019 17:48  
>> Permalink

Do you use an English wheel to roll out the planishing marks.
Cheers Marky


Forum Posts: 46
10th Jan 2019 18:39  
>> Permalink

No mate,just an old brass caster off an old sofa. Its fitted to a file handle, then you just roll the tin on a rubber mat on the bench it takes a bit of pressure initially but once you're away its easy after practice. No special tools involved and its disgustingly cheap to do!
Cheers Neil

(Fleet Admiral!)

Forum Posts: 506
11th Jan 2019 06:00  
>> Permalink

How do you keep the edges straight to . Butt or lap joint mate and solder.


Forum Posts: 46
11th Jan 2019 18:49  
>> Permalink

The soldered edge along the keel is originally the outer edge of the elipse,after rolling out the dents whilst its still a bowl,I place it upside down on a flat surface and mark all the high spots and gradually trim down untill it sits perfectly flat. Then carefully cut the thing in half,this flat outer edge becomes the keel and the cut edge becomes the gunwale.The keel edge is simply bent using flat pliers to give two flat mating surfaces,after soldering any overlaps are filed away. It sounds complicated but its quite easy to do hope this gives you an idea.Cheers Neil.