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Constant Speed

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bo124rs(at)hotmail.com
Guest

Posted: Thu Jan 05, 2006 6:54 am Post subject: Constant Speed



Anyone got any personnal choices for good C/S props for an O 360A1A? As you

can see, I've sold the rotary and am planning on putting a new 360 hollow

crank. The idea right now is to go fixed with the option of going C/S or

going hollow and just dropping the bucks and going C/S.

Gotta put some numbers together. Time to fly this think!!!!

Dana Overall

Richmond, KY i39

RV-7 slider, Imron black, "Black Magic"

Finish kit

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DOUGPFLYRV(at)aol.com
Guest

Posted: Thu Jan 05, 2006 6:58 am Post subject: Constant Speed



Dana, I am running that very engine by Aerosport with Hartzell "BLENDED

AIRFOIL" prop and have no complaints.

Doug Preston

RV-7

N731RV

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martin(at)gbonline.com
Guest

Posted: Thu Jan 05, 2006 7:51 pm Post subject: Constant Speed



Dana,

I have both a Hartzell CS and an AeroComposites CS. The Hartzell yields 200

to 300 fpm more rate of climb, but is considerable slower in cruise. The

ACI is slightly less climb and 10 to 15 mph faster in cruise. The ACI prop

is also approx 15 lbs lighter than the Hartzell. Since I have an extended

hub set up with a NACA cowl, plenum set up, the ACI being lighter improves

the CG .and of course the speed increase is always welcome.

Average rate of climb with my IO390 engine is between 2000 and 3000 ft per

minute depending on temperature and load with the ACI prop. The only down

point with the ACI is that it costs more than the Hartzell, but I think that

it is worth the investment.

Dick Martin

RV8

N233M

the fast one

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groves(at)epix.net
Guest

Posted: Thu Jan 05, 2006 8:08 pm Post subject: Constant Speed



Just curious Mr Martin did you have the the Hartzell on the IO-390 or just the AC.

Thanks

Kirk

 	  Quote: 	
		  

From: "dick martin" <martin(at)gbonline.com>

Date: 2006/01/05 Thu PM 10:51:31 EST

To: <rv-list(at)matronics.com>

Subject: Re: RV-List: Constant Speed

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martin(at)gbonline.com
Guest

Posted: Sun Jan 08, 2006 6:10 pm Post subject: Constant Speed



Dana,

I put approximately 300 hours on the IO360 before converting to the IO390.

The IO390 added approximately 5% in all parameters.

Dick Martin

RV8 N233M

the fast one

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