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Author Topic: Ventilators?  (Read 1605 times)

Franklin

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Ventilators?
« on: May 18, 2008, 03:07:54 AM »

Any one have any ideas how to construct Cowl Type Ventilators for Steam Tugs?

Thanks

Double Rum   :)
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Umi_Ryuzuki

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Re: Ventilators?
« Reply #1 on: May 18, 2008, 09:06:25 AM »

Pat Matthews did a truncated build up of a pair for his Ford Dearborn tug.
 8)

http://www.rcgroups.com/forums/showpost.php?p=9265875&postcount=284
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Colin Bishop

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Re: Ventilators?
« Reply #2 on: May 18, 2008, 09:56:55 AM »

Bryan Young described how to make them on his General Havelock build recently: http://www.modelboatmayhem.co.uk/forum/index.php?topic=5905.40
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RickF

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Re: Ventilators?
« Reply #3 on: May 18, 2008, 10:12:22 AM »

This is the method I use, as described in several of Brian King's books.

A plug is carved to size and a hole is cut in a piece of flat wood for the plug to pass through. Plasticard is pinned on the flat wood, heated up and the plug is pushed through the hole. BK uses boiling water to heat the plasticard - I've tried that and found it too messy, so I use the workshop electric fire.

The cowl produced is then glued to a plastic tube of the appropriate size, filler added where necessary and the whole lot rubbed down.

The pictures below show the stages.

Rick

(And yes, I will finish Torpedo Boat No.80 - one day!)
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