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04-03-2019, 04:51 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Quote:
Originally Posted by Gyrodoug
The IO360 is a FAA certified motor at 200hp. Does this help clarify?
Thank you.
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Only if the prop/engine combination is certified too...
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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04-03-2019, 05:20 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
Originally Posted by Gyrodoug
The IO360 is a FAA certified motor at 200hp. Does this help clarify?
Thank you.
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As soon as a "certified" engine is mounted on an experimental aircraft, the engine comes "experimental" as well.
A minor but important point, if the engine is ever to go back on a "certified" airframe. This typically means a complete overhaul to TC configuration.
One last thing, and I have to add this because I always catch it with my engine and airframe combination, Van's does not recommend the angle valve IO-360 for the RV-6(A) or the RV-4 for that matter.
__________________
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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04-03-2019, 05:24 PM
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Join Date: May 2013
Location: Sherman, CT
Posts: 790
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You might run some W&B calculations before pulling the trigger.
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Jake
RV6 #20477 completed 1991 sold.
RV7 #72018 N767T first flight 11/21/2017 350+ hrs.
IO-360M1B MT 3 blade, Dual AFS 5600 QUICK Panel.
Manual Flaps. (KOXC)Oxford, CT, (0NY0)North Creek, NY.
1941 J3 Cub skis,floats.
2020 dues gladly paid.
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04-03-2019, 05:47 PM
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Join Date: Oct 2014
Location: Arcata, Ca
Posts: 58
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Just add injection to your O 360. My 2 cents. My Fuel injected add on O 360 feels plenty of power at 180 HP.
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04-03-2019, 05:59 PM
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Join Date: Jul 2018
Location: CA
Posts: 223
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Personally I think higher compression and porting is possibly a good fix.
The old Franklins had a 335cu in 150hp motor and the later version 350cu in motor puts out 235hp.
Primary difference is the 150hp has low compression pistons.
Sure the TBO is 1500 but....
__________________
20 dues paid member since 2018
RV6A
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04-03-2019, 06:06 PM
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Join Date: Aug 2007
Location: Friendswood, Tx
Posts: 390
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My buddy just bought an rv6 airframe with an rv7 tail and angle valve 360 currently installed. The seller is keeping the engine and prop, but i get to fly it home before removal. I am really curious how it will perform.
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Rv-6
0-320/180+hp
10-1 pistons
Lycon port/polish
Dual pmags
EI Commander
Whirlwind 200rv prop
IFR Glass panel
Trutrak Vizion 385 Autopilot
Flightline Interior
Almost rv14 seat mod/cable locking
Electric seat back adjuster
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04-03-2019, 08:00 PM
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Join Date: Aug 2014
Location: Victoria, Tx
Posts: 418
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I have a new O-360 that I installed EFII fuel injection and electronic ignition. Supposed to put out 195 hp. Will let you know in 6 months.
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04-03-2019, 08:31 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,514
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Alan Judy has an RV6 with SJ cowl and angle valve. Tight, but fit.
Check Vne?
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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04-04-2019, 04:26 AM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,690
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Quote:
Originally Posted by Gyrodoug
Folks,
Can anyone talk about any concerns, issues, worries, whatever, regarding swapping an O360 180hp already on the a/c with an IO360 200hp....
All input is welcome. Thank you!!!
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Issues with doing it to a 6 have already been posted, HOWEVER you said a 6A and there is an item to address.
Vans specifies a maximum weight limit for the nose gear. On my 7A with a lighter engine than you propose, I am close but within limit in all W&B scenarios.
I recommend obtaining that specification from Vans for the RV6A, redo the W&B based on your own scale measurements, make an estimate of new W&B with new engine, calculate nose gear load and then make your decision.
If you are new to RV's, search here for nose gear failures to aid in a decision to go outside recommended loading.
__________________
Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
Last edited by rzbill : 04-04-2019 at 04:30 AM.
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04-04-2019, 07:37 AM
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Join Date: Feb 2019
Location: Beavercreek, OH
Posts: 71
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Really good feedback so far.
Thank you.
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