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ercoupe performance

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26 Sep 2020 17:29 #1 by John Farrell
Replied by John Farrell on topic ercoupe performance
New to the Ercoupe club! This has nothing to do with the subject, except that I was born in Port Clinton, Ohio October 6, 1941!

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08 Dec 2019 09:26 #2 by John Jones
Replied by John Jones on topic ercoupe performance
Remember AD 2012-8-06 requires the airspeed calibration be verified at least every four years.

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07 Dec 2019 10:50 #3 by Ken Thompson
Replied by Ken Thompson on topic ercoupe performance
Right you are, Henry. And I almost strictly go by GPS ground speed once I’m at cruise.
So with my 7148 prop turning my C85 Stroker I consistently get 117-118 mph at 2575 RPM in wind neutral tests. (Flying triangles.)

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07 Dec 2019 10:37 #4 by Henry Pasquet
Replied by Henry Pasquet on topic ercoupe performance
The 73 year old tachs and airspeed indicators should never be relied on until confirmed. I use an optical digital tach and GPS for accuracy. I like low pitch props for max climb and carrying more RPM for cruise. You can't cruise until after you clear the trees.

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07 Dec 2019 10:18 #5 by Ken Thompson
Replied by Ken Thompson on topic ercoupe performance
James, if I flew in your turf, I’d have a 46 pitch as well.

Cheers, buddy.

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07 Dec 2019 10:05 #6 by James Good
Replied by James Good on topic ercoupe performance
Hi Gale. Yes, as Ken said, I have a 46" pitch climb prop. 95 is about what I do at cruise 2350 rpm. I envy the people who see 115mph! Actually, I'm OK with it, I fly at a lot of 5000'+ airports, so the climb is much needed.

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