Propeller for 650 B with Lycoming 0-235 Engine

I am currently building a 650 B with the fuselage about 90% done and the wings probably 30-40% done.  I purchased a used Lycoming 0-235 engine which is currently at a shop being overhauled and I am looking for a propeller.  My question is, especially for those who have an 0-235, what propeller do you have or are planning to use?  Any details on your experience would be appreciated. 

Thanks, Tom Johnson

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Comment by brad cohen on October 19, 2012 at 6:39am

I am about 96-97% done with my XL-TD. I also have an O-235L2C. I just received my 3-bladed prop from Catto. Of course I have not flown it yet. 68" Dia, 46" Pitch. It was also LESS than the 2-Bladed ground-adjustable from Sensenich. if you want pictures, email me off-list. 

Comment by Terry Pender on October 11, 2012 at 7:44am

Hi Tom

I have a high time engine and prop removed from an AA1B, o235-c2c with McCauley 1a105-scm7157.

Works for me. Climb at gross on hot day, about 700fpm, cruise is about 95kts @ 2300rpm.

Also only 25 hrs needed for the feds.


Comment by David New on October 11, 2012 at 7:37am
i am flying a 601 HDS with a Lycoming 0235, prop from props inc 69x55, I beleave the demo with Lyc used a 68x54.
With the 68x55 on 6500 density altitude day i can climb out at 1000 fpm and cruse 125 mph easy at 2350 RPM.
Comment by Bob Pustell on October 10, 2012 at 10:02pm

The 601XLB that I have flying privileges in is O-235 powered. Heavy engine. In an effort to keep the weight down, the builder selected a Sensenich wood prop. It is lighter than almost anything else available and mates to the engine very nicely. Looks good, too. The downside is (like any wood prop) the need for seasonal retorqueing as the wood changes dimensions with the seasons. Not a big deal, but something you do not need to do with other types of props.


I do not know the exact model of prop but do know it is an uncertified version intended for the homebuilt market. Like any Sensenich Wood Prop, it is beautifully crafted, balanced and finished. It is a somewhat climb oriented prop and the plane just gets up and climbs! This engine is a lot of power for the airframe, so a cruise prop would have it cruising well into the yellow arc. I agree with the builder's logic in using the surplus power to get off the ground and climb, then cruise at a fuel economical power setting at the top of the green arc.


I will try to remember to get the exact prop model number from my friend.



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