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Old Mar 26, 2012, 07:44 PM
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Andersoneric04's Avatar
United States, WI, Madison
Joined Feb 2012
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Prop for OS 91 Surpass on Escapade 60

Hi, I new to airplanes and was wondering what the best prop for an OS 91 FS Surpass would be? I have a Super Tigre 51 on my Eagle 2 trainer with a 12x5 prop and I can make it climb staight up in the air from almost a dead stall. NICE! Lots of power for this 40 size trainer. I recently bought an Escapade 60 with a OS 91 FS Surpass and It doesn't have the power to climb staight up in the air like my trainer can. I have a 14x6 prop on it now. Do I have the wrong prop or is the bird underpowered with a 91? ........or should this heli guy(just converted to planes) stop flying his planes like helis Thanks in advance for the help
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Old Mar 26, 2012, 09:10 PM
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United States, LA, Baton Rouge
Joined Feb 2011
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Try a 13x6 or 13x8
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Old Mar 26, 2012, 09:11 PM
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United States, LA, New Orleans
Joined Sep 2011
650 Posts
you can realistically fly the Eagle 2 with a .25. so power to weight wise you are not as overpowered with the Escapade as you were with the Eagle. that being said, if you want it to pull unlimited vertical you should probably go for something like a 91 2 stroke glow or a 20cc gas.
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Old Mar 27, 2012, 03:44 PM
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Sandy Springs, GA
Joined Jul 2008
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I would go with a 14x6 for good performance. I have a Fox .74 Eagle IV in my Escapade 60 and it has good performance. On my Revolver 70 I have a Magnum 91 four stroke and it flies great.

Bruce
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Old Apr 19, 2012, 05:12 AM
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South Africa, WC, Cape Town
Joined Oct 2011
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I fly a Pulse XT60 with an ASP 0.91, fitted with a 13x8 Evolution prop.
Most of the time I cruise on 50% throttle, if I go vertical and open full throttle it can climb straight up.

Brgds,

Danny
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Old Apr 21, 2012, 07:46 AM
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Iowa
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I fly my Escapade with a ASP 91, Master Airscrew 13 x 10 S2 series prop, no problem going vertical. Just be careful of weak elevators on these planes
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