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Author Topic: Hurth reduction ratio  (Read 999 times)

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John Langford

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Hurth reduction ratio
« on: February 16, 2006, 09:25:13 PM »

I did a search (pace Stu) but can't find the reduction ratio for the Hurth gearbox on the Universal M35B. I think it is 1:79:1 Can anyone confirm that?
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John Langford

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Re: Hurth reduction ratio
« Reply #1 on: February 16, 2006, 09:42:21 PM »

Sorry. I found it on another site. It is 1.79:1. I am buying a new Kiwi three blade feathering prop with "plastic" blades and I just wanted to be sure. Really excited by the prop which I saw at the Vancouver boat show. It only weighs about 8 pounds and is an amazing piece of technology. If you damage a blade, you just take it off and replace it ($100 per blade). Almost zero drag which should be quite a change in light airs after the 3 blade Michigan wheel. I will report back after it is installed.
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Ron Hill

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Re: Hurth reduction ratio
« Reply #2 on: February 17, 2006, 01:31:01 PM »

John : You're correct on the ratio.  It's the HWB 100 - in case you need the correct name.   :(
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