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09-25-2013, 09:16 AM
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Join Date: Mar 2009
Location: Pasadena, California
Posts: 214
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IO-375 Prop Selection
A friend is building a RV-8 with Aero Sport IO-375 engine, low compression 195 up. Vans is hesitate to sell him a Sensenich metal prop for 180 hp engine because concerns about compatibility and too much hp.
What other choices are there if he wants to stay with fixed pitch?
Thanks in advance,
Robin Hou
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09-25-2013, 09:22 AM
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Join Date: Jan 2008
Location: Granbury, TX
Posts: 543
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I was looking into this a couple of years ago when I decided to go with the IO-375. I would look at Catto props... pretty sure he has made up props for the IO-375.
__________________
Jason Tremble
RV-7A (Flying and Sold)
RV-10 in process (@#$$%# Cabin Top & Doors)
Paid for 2020
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09-25-2013, 09:26 AM
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Join Date: Aug 2009
Location: Goodyear, Arizona
Posts: 878
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I have the IO-375 and 195hp. I have the Whirl Wind 200RV and it has far exceeded my expectations. I'm constant speed though, so I don't know how your friend's results would differ. Have him call the prop manufacturers and pick their brains. I can't speak for other companies, but I've found Whirl Wind to be very accessible and knowledgable. Good luck!
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Karl, Goodyear, Arizona (KGYR) ATP, CFII
RV-14A, Flying
Extra 330LX, Flying
RV-8, Sold
RV-7, Sold
Bearhawk 4-Place, Sold
=VAF= donor 2020
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09-25-2013, 09:53 AM
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Join Date: Jun 2010
Location: Bettendorf, IA
Posts: 140
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Ask Bart at AeroSport what they recommend. He won't stear you wrong. I have an O-375, 195hp from AeroSport, with a 72" hartzell CS. Same one vans recommends for the O-360. Aerosport said they've seen good success with this combo when I was deciding. I can now confirm.
Still suggest you call them as they may have more or new information since I spoke with them ~ 12 months ago.
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Charlie Hammes
RV-8, N525RV Flying
RV-8, N208CH in process
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09-25-2013, 11:07 AM
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Join Date: Nov 2005
Location: KRTS
Posts: 1,798
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Whirlwind just came out with a new 74" prop designed for the higher horsepower motors. Seems sacreligious to put a FP prop on such a motor.
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Next?, TBD
IAR-823, SOLD
RV-8, SOLD
RV-7, SOLD
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09-25-2013, 11:10 AM
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Join Date: Feb 2005
Location: Marysville, WA
Posts: 522
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We have an IO-375 195 HP with a three bladed Catto for our Sportsman that Craig optimized specifically for the Sportsman. Haven't flown it though, so can't comment on actual experience.
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Steve Rush
Arlington, WA
ArlingtonRV on YouTube
RV-8 (Bought Flying)
Glasair Sportsman (Sold)
RV-8 Tail, QB Fuselage (Sold)
RV-4 (Bought Flying) (Sold)
RV-9 Tail
RV-12 120018 Flying (Sold)
RV-7 Tail, Wings, Started Fuse (Sold)
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09-25-2013, 01:08 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Fixed pitch prop, the answer is easy, Catto.
http://www.cattoprops.com/
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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09-25-2013, 03:07 PM
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Join Date: Jan 2005
Location: TX32
Posts: 1,892
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Is there an echo in here...
Quote:
Originally Posted by N941WR
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Well said...
V/R
Smokey
PS: With the heavier engine a Catto prop will still give you great performance and avoid the "lead nose effect" I see on so many RV's I inspect and fly with big power-plants out front. Trust me...
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