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Speed,Combat,Scale,Racing => Scale Models => Topic started by: Walter Hicks on February 09, 2015, 02:30:19 PM
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I am working on a scale model with an aluminum cowl. I need to get the hole cut of for the engine. I have no way of replacing the cowl if I
mess it up( Sterling Mr Mulligan) what is the best way to get the hole cut for the cylinder. I know some have used tin snips but I do not want
to bend up the cowl. It seems the metal is too thick for dremel?? Thanks for your time.
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drill a series of holes all the way round what u need to take out then take a 1/8 in course carbide cutter and connect the holes then a good bastard file should do the job
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drill a series of holes all the way round what u need to take out then take a 1/8 in course carbide cutter and connect the holes then a good bastard file should do the job
I agree, and maybe a carborundum stone in the Dremel to help finish off.
BIG Bear
RNMM/AMM
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Use the uncut cowling as a plug for a fibreglass mold and you can make as many as you want.
The Sterling kit cowl is too small in diameter for a scale 1/12th anyway, I used the Sterling Waco cowl and it's a little shy in diameter too.
You could even use the cowling as is to make a couple of fiberglass cowlings by just drooping them over your existing. Not too pretty but usable.
Chris...
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You don't want to bend the aluminum, so you must avoid tin snips. I have done it drilling holes around the perimeter, and finishing with a Dremel drum sander. All the pressure is directed along the plane of the metal.
Floyd
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If you haven't cut up your cowl .... make a fiberglass mold of it ..then make a fiberglass casting and use it and spare the original .... just in case you damage the cowl in some unforseen kissing the ground type of thing.. heaven for bid this happening.. but just in case. Then you can always offer a glass cowl for anyone who wants to scratch build the model. I have a Sterling Monocoupe 90 I'll do this for. Have the original cowl but would rather cut up a glass one instead.