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Author Topic: Prop information  (Read 2128 times)

sparkey

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Prop information
« on: September 18, 2015, 03:11:25 pm »

Hi there,I have forgotten which way round prop pitch coarse rating go,i.e.is 4 more coarse than a 3 or visa versa,thanks for any info provided,it is for a a steam boat which needs a coarse pitch prop.
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derekwarner

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Re: Prop information
« Reply #1 on: September 18, 2015, 09:55:37 pm »

Morning sparkey.......if by example the prop was designated 4" x 5" LH  %) ..it would be 4" diameter x 5" pitch and left handed

The other things needed are the blade profile and the mounting.......there is a WEB page mentioned on here that has images of different styles and steam is rather unique in its pitch ratio and blade profile..... Derek
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Derek Warner

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Illawarra Live Steamers Co-op
Australia
www.ils.org.au
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