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05-07-2013, 05:17 PM
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Join Date: Dec 2012
Location: LAGRANGE GA
Posts: 40
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Best RV-4 prop match up
I'm looking at two Rv 4s one has a constant speed three blade whirlwind prop on an 0-360 and one has a Sensenich fixed pitch on an 0320 160 hp. Could anyone give me the pros and cons to each when paired with an RV 4? Will be doing some sport aerobatics, operate from paved runway, and doing some 300 mile x country.
Thanks
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05-07-2013, 06:26 PM
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Join Date: Oct 2008
Location: Punta Gorda, Fl
Posts: 325
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Your question falls into the "endless debate" catagory for a few reasons.
320 v. 360
Fixed pitch v. C/S
3 blade v. 2
Wood v. Metal
No matter what opinion anyone gives on their preference for the above, someone else will have exactly the opposite opinion and may even site the same reasons.
My opinion? 
Lighter is better.
That said, I haven't flown a metal bladed, c/s, 380 -4... I bet its awesome too.
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Jesse
'89 RV-4, N2626C - purchased flying
Converted to Fastback - Sliding Canopy - Tall Gear
Dynon Skyview w/ acc. & VP-x Sport
Catto 3-Blade (gen. 1)
Based: KPGD
Last edited by southtarnation : 05-07-2013 at 06:29 PM.
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05-07-2013, 06:31 PM
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Join Date: Nov 2012
Location: Gilbert, AZ
Posts: 124
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prop
Hi Britt,
The rv4 with the 360 and c/s will be very nose heavy (solo) lots of stick force.
Better have the longer gear, or you will soon have a shorter prop, if it hasn't already been whacked. The fixed pitch metal prop is HARD limited to 2600rpm, that is a real pain in the backside when playing. Plus the metal prop just is not as smooth as a wood one. Hopes this help. Bob
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05-07-2013, 07:24 PM
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Join Date: Jun 2005
Location: SoCal
Posts: 2,452
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I have a 320 and a fixed pitched sensenich. The 2600 RPM limit suxs when flying formation and also during low level. I won't have that combo again because it does not support my mission (it may support yours). My other -4 has a 320 with a catto 3-bladed prop. I hope that combo works better.
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Axel
RV-4 fastback thread and Pics
VAF 2020 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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05-08-2013, 07:26 PM
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Join Date: Dec 2010
Location: Colorado
Posts: 226
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A picture is worth a thousand words
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Build 'em light, keep it simple
I'd rather fly than tinker.
"There's a big difference between a pilot and an aviator. One is a technician, the other is an artist in love with flight."
- Elrey B. Jeppesen,
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05-08-2013, 07:41 PM
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Join Date: Jul 2010
Location: Orlando, FL
Posts: 1,077
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I recognize that tail, and more importantly, the smoothness and symmetry of the acro!! How ya doin' Cobra??
__________________
Chris Smith
Maule M5-180C (Sold)
RV-6 O-360 CS (Sold)
RV-4 O-360 FP (Sold)
Full-time in the other type of RV....
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05-08-2013, 08:19 PM
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Join Date: Dec 2010
Location: Colorado
Posts: 226
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__________________
Build 'em light, keep it simple
I'd rather fly than tinker.
"There's a big difference between a pilot and an aviator. One is a technician, the other is an artist in love with flight."
- Elrey B. Jeppesen,
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05-08-2013, 09:02 PM
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Join Date: Feb 2007
Location: colorado
Posts: 872
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sweet
Cobra,
Glad you made this video public. The only thing that would make it better would be another -4 on your six.
CM
__________________
RV-4 "Mr. Twister"
Pitts S1S "Mexican Red" sold and missed
Mr. Twister Airshows
Rocky Mountain Renegades
the mission... have fun.
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05-09-2013, 06:14 AM
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Join Date: Jan 2006
Location: Winston-Salem, N.C.
Posts: 1,210
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160 hp / Sterba woody
I'm running a 160 O320H2AD with a Sterba woody..love my acceleration, no RPM limits and light weight. I am very interested in the Sensinich ground adjustable, if PIREPs ever start showing up,and are favorable. I doubt many people hit the perfect combination with their first prop. I bought my Sterba off Ebay for 200 bucks, so it was a no-brainer for my first. I could use a little more bite/diameter, as my top end is a little low.
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Bill E.
RV-4/N76WE
8A7 / Advance NC
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05-09-2013, 07:36 AM
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Join Date: Jul 2010
Location: Orlando, FL
Posts: 1,077
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Quote:
Originally Posted by Christopher Murphy
Cobra,
Glad you made this video public. The only thing that would make it better would be another -4 on your six.
CM
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Ain't nobody that would be on Cobra's six very long!!! 
__________________
Chris Smith
Maule M5-180C (Sold)
RV-6 O-360 CS (Sold)
RV-4 O-360 FP (Sold)
Full-time in the other type of RV....
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