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Old 06-12-2017, 12:31 PM
drainge drainge is offline
Join Date: Jan 2017
Location: Boulder, CO
Posts: 15

This morning I measured the take-off and landing roll. My plane weighs 1046lbs, and was carrying me (180lbs) and my friend (200lbs), no bags, and about half fuel. Field elevation is 5500ft and the surface is asphalt. The prop is set-up for climb side. This morning was ~70F -- altimeter setting 29.94.

Take off was just within 450 yards using short field technique. After that climb was a healthy 1600fpm.

Landing roll was about 300 yards, and I was going easy on the brakes.

I'll try again in the next few days with just me in the cockpit.
Dan Ainge
RV-7A N375M
2017 =VAF= dues paid
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Old 06-13-2017, 02:37 PM
mmcelrea mmcelrea is offline
Join Date: Dec 2008
Location: Northern Ireland
Posts: 6

Thankyou Dan. I was hoping the takeoff run would have been shorter. I may have to look at the cs prop, 450yards would be too long for my strip. Its a shame as I have heard such good reports on the catto.
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Old 06-20-2017, 11:10 AM
Chattin35 Chattin35 is offline
Join Date: Jul 2014
Location: Boise, ID
Posts: 185
Default Get a CS prop

FWIW, a CS prop is some of the best money I spent on the project. Like zilik said, what's the point of building a hot rod, then limiting it's performance with a fixed pitch prop.

It should pay for itself in fuel savings, durability, etc over time as well.

Edit: Let me add that the -7 is designed around the O/IO-360 and Hartzell CS prop. So if you go that route, you'll be using a proven design. And, your W&B will be right in the center.

Last edited by Chattin35 : 06-20-2017 at 12:46 PM.
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