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1. 05:27 PM - Propeller pitch question. (Scott Stewart)
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Subject: | Propeller pitch question. |
Hi Folks,
I'm getting really close to finishing my plans-built CH-640. I'm to the point
I need to buy the propeller, and I want to compare the performance of climb versus
cruise pitches.
>From Zenair, I was supplied the FWF pick list which shows the Sensenich 76EM8-0-54.
On the Sensenich website, their propeller selection guide shows 76EM8-0-61,
63, or 65 are appropriate for the CH-640. This is a really wide range of
pitches: from 54" to 65".
I don't want to buy an under-pitched propeller since I want to do a lot of long
distance cruising. And, of course, an over-pitched propeller will stress the
engine too much. So what does the group think? What pitch are you using, and
how well does it work for you?
Thanks.
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Scott Stewart
s/n: 0092
Building from plans
Airframe 99% complete. Engine hung. Working on wiring and engine controls.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=405682#405682
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