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11-01-2012, 12:15 PM
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Join Date: Jan 2011
Location: Omaha NE
Posts: 85
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235 HP RV-10?
Was on Vans site today looking at specs for the 10.
Has anyone done anything but the 250/260 HP RV-10?
How did the performance change?
Vans said that the 235 #'s were estimates only so just curious if anyone has done it
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11-01-2012, 12:30 PM
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Join Date: Jul 2005
Posts: 433
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Yes
I am doing one now. Will be flying next spring.
Doug Nebert on this forum is currently flying.
Here is a link to a post he made regarding his RV10's performance.
http://www.vansairforce.com/communit...t=88487&page=5
You might miss a few knots on the top end, but after 10 hours of flying you might be 60 mi behind. That will take you about 20 minutes to catch up!
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Duane Wilson
RV9A. Built, flew 1000 hours, Sold
RV10 Built, flying 330 hours so far.
Central Oregon
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11-01-2012, 12:34 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,767
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It takes a lot of power to make a real speed difference.
Where you will see the difference is in rate of climb and service ceiling.
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11-01-2012, 08:24 PM
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Join Date: May 2008
Location: Brisbane Qld. Aust.
Posts: 2,271
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Tweak the prop governor 
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______________________________
David Brown
DYNON Authorised Dealer and Installer
The two best investments you can make, by any financial test, an EMS and APS!
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11-15-2012, 09:34 AM
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Join Date: Apr 2009
Location: Melbourne
Posts: 45
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The only reason I put the 260hp in is they don't make a 460hp one.
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11-15-2012, 10:16 AM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Quote:
Originally Posted by AMac
The only reason I put the 260hp in is they don't make a 460hp one.
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I'm waiting for somebody to bolt one of these onto the nose of an RV-10
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Neal Howard
Airplaneless once again...
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11-15-2012, 10:58 AM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,455
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Fuel Burn
Quote:
Originally Posted by Neal@F14
I'm waiting for somebody to bolt one of these onto the nose of an RV-10
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Neal, I first learned of this engine when camping at Oshkosh several years ago. The guy next to me was an A&P and he had a Commanche with the IO-720 engine. Fuel burn is something like 25-30 gph in cruise! He said the Comanches with the IO-720 engines have a history of fuel starvation accidents.
That engine sure did sound sweet though the morning he cranked up to go home. Not quite a RR Merlin V-12, but mighty smo-o-oth sounding for a small plane.
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it!
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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11-15-2012, 01:14 PM
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Join Date: Feb 2009
Location: Brooksville
Posts: 282
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Quote:
Originally Posted by Neal@F14
I'm waiting for somebody to bolt one of these onto the nose of an RV-10
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Yeh and bolt RV-14 wings on it. Harmon Rocket 10
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Weasel
RV-4 715hr Sold 
RV-10 "School Bus"
I have changed my User Name to the correct spelling as it became availible. Please direct all correspondence to Weasel
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11-15-2012, 03:06 PM
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Join Date: May 2005
Location: Santa Barbara, CA
Posts: 1,324
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Good object lesson here, the 400 HP Comanche cruised 13% faster than the 260 HP version while burning 40% more fuel. Sucker sure would climb though, burning over a gallon of fuel every 2 minutes.
John Clark ATP, CFI
FAAST Team Representative
EAA Flight Advisor
RV8 N18U "Sunshine"
KSBA
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11-15-2012, 09:01 PM
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Join Date: Jan 2006
Location: New Smyrna Beach, FL
Posts: 1,339
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Quote:
Originally Posted by John Clark
Good object lesson here, the 400 HP Comanche cruised 13% faster than the 260 HP version while burning 40% more fuel. Sucker sure would climb though, burning over a gallon of fuel every 2 minutes.
John Clark ATP, CFI
FAAST Team Representative
EAA Flight Advisor
RV8 N18U "Sunshine"
KSBA
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An excellent object lesson. Of course, Avgas was probably about $.40 a gallon (or less!) back when that airplane was being sold!
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David Maib
RV-10 N380DM
New Smyrna Beach, FL
VAF Paid 1/21/2020
"In '69 I was 21, and I called the road my own"
Jackson Browne
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