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jackluiten

Post subject: prop

Posted: Sat Oct 09, 2010 6:48 am

Newbie

Joined: Thu Jan 21, 2010 7:00 am
Posts: 2
Location: USA

Hello, My new T18 I just bought has a 68/66 prop pacesetter. It has good top end for speed but poor take off and climb. I changed it and put on a sterba 68/68 and now have great take off and climb but lost my top end speed. nether prop will give me full rpm. The pacesetter is 2200 on takeoff and 2400rpm max in flight. The Sterba I get 2300 in take off and 2500max in flight. Any ideas on a prop. The engine is a 0320 160HP Thanks Jack

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jack luiten

Last edited by Anonymous on Sat Oct 09, 2010 6:48 am, edited 1 time in total.

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Doug S

Post subject: prop

Posted: Sat Oct 09, 2010 8:27 am

Full Member

Joined: Thu Oct 22, 2009 8:35 am
Posts: 129
Location: Daytona Bch, FL

I can recommend the Aymar Demuth - went from a Great American to an AD & gained climb & cruise.

Last edited by admin on Sat Oct 09, 2010 8:27 am, edited 1 time in total.

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bfinney

Post subject: prop

Posted: Sat Oct 09, 2010 9:09 am

Sr. Member

Joined: Thu Oct 22, 2009 2:24 pm
Posts: 504
Images: 6
Location: Yelm, WA USA

Doug,
How bout some data, engine and specs of the props plus the different performance of each. I'm currently flying a 68 x 68 Great American on an O290 (140 HP) and would be interested in the comparison.

_________________
Bruce Finney
N18JF T-18C #262
Yelm, WA USA

Last edited by admin on Sat Oct 09, 2010 9:09 am, edited 1 time in total.

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Doug S

Post subject: prop

Posted: Mon Oct 11, 2010 7:01 am

Full Member

Joined: Thu Oct 22, 2009 8:35 am
Posts: 129
Location: Daytona Bch, FL

I will pull numbers off the old prop (Great American) on Wednesday - I think it is a 68 x 68
With the new AD prop -
O 320 150hp 2200-2250 static (ambient temp. dependent)
SL WOT 2800 ~165kt
single ROC ~1200fpm Gross ROC ~900
It is about 5 kt faster than the old prop & a couple hundred fpm better

Last edited by admin on Mon Oct 11, 2010 7:01 am, edited 1 time in total.

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