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Whistle making, particularly the valve

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Andydextrous	27/01/2016 11:55:58
10 forum posts	Hi, does anyone know where I might find a drawing/design, for a whistle that incorporates a valve in the base below the bell. It is the design of the valve that I don't understand - the sort that has a pin operated by a lever. Commercial items aren't to the right scale for what I want. Cheers, Andy
JasonB	27/01/2016 13:20:24
25215 forum posts 3105 photos 1 articles	Most are just like a car engine valve - tapered seat and a matching angle on teh head of teh valve, valve stem passes up through teh whistle body where it can be pressed down. What scale are you looking for?
Andydextrous	27/01/2016 14:27:14
10 forum posts	Thanks, that makes sense except that the valve is horizontal. There must be some complicated chambers to get the inlet and the outlet vertical. 4 inch scale is too small and 6 inch slightly too big.
MichaelR	27/01/2016 15:17:22
528 forum posts 79 photos	As Jason says, just like a car engine valve, hope this helps Edited By MichaelR on 27/01/2016 15:18:00
JasonB	27/01/2016 16:12:52
25215 forum posts 3105 photos 1 articles	Michael's drawing is what you need not unlike a stopcock where the water pressure keeps the valve on its seat. I was thinking of a vertical one Worth looking about a bit as like the engines whistles came in different sizes so you may find a 6" scale one for a tractor is smaller than one for a 6" road loco.
Andydextrous	27/01/2016 16:19:55
10 forum posts	Thanks. I know what I need to achieve now. I couldn't find anything through Google.

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