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  #1  
Old 12-20-2017, 08:26 AM
waterboy2110 waterboy2110 is offline
 
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Location: SF Bay Area
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Default Airmaster Constant Speed Prop

Anyone using this system on the 12? I've heard great things about them and have been told it's the best money spent to get real all around performance. My understanding is that CSP's are allowed in many countries so perhaps some of the non US 12's are running them.

While pricey the Airmasters appeal is that it doesn't involve hydraulics (it's electric) and they can use our existing Sensenish blades if you send them over.

I'm seriously considering going down this path.
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  #2  
Old 12-20-2017, 08:45 AM
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Mel Mel is offline
 
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Quote:
Originally Posted by waterboy2110 View Post
Anyone using this system on the 12? I've heard great things about them and have been told it's the best money spent to get real all around performance. My understanding is that CSP's are allowed in many countries so perhaps some of the non US 12's are running them.
While pricey the Airmasters appeal is that it doesn't involve hydraulics (it's electric) and they can use our existing Sensenish blades if you send them over.
I'm seriously considering going down this path.
Just be aware that an in-flight adjustable prop is not allowed for light-sport aircraft. If you are amateur-built, it will be OK, but you must have a recreational pilot certificate or above to fly it.
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  #3  
Old 12-20-2017, 09:32 AM
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Ironflight Ironflight is offline
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Havn't flown one on a -12, but I have on other planes, and haven't had any issues - and the owners hadn't reported any to me either.
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  #4  
Old 12-20-2017, 09:42 AM
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Mike S Mike S is offline
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Although not a constant speed, the Warp Drive is an electrically controlled cockpit adjustable prop.

I have a friend who had one on a Kitfox with a Rotax 912, great combination.

Just something to consider...
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  #5  
Old 12-20-2017, 11:14 AM
N456TS N456TS is offline
 
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Quote:
Originally Posted by Mel View Post
Just be aware that an in-flight adjustable prop is not allowed for light-sport aircraft. If you are amateur-built, it will be OK, but you must have a recreational pilot certificate or above to fly it.
You can install a C/S propeller on an E-LSA. You just can't fly it as a sport pilot.
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  #6  
Old 12-20-2017, 12:09 PM
rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by N456TS View Post
You can install a C/S propeller on an E-LSA. You just can't fly it as a sport pilot.
Negative

If it is E-LSA it was certified as an LSA (consensus standard) compliant airplane that just happens to also be experimental.

One of the basic core requirements of LSA is that it can not have an in flight controllable propeller. If someone installs an in-flight controllable propeller on an E-LSA RV-12 the airplane is no longer legal to fly.

As Mel said, if it is an E-AB RV-12 that happens to meet the LSA consensus standard requirements it can be flown with a sport pilot certificate. It can be modified to no longer meet them (add a variable pitch propeller), but then a sport pilot can never again fly it.
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  #7  
Old 12-20-2017, 01:16 PM
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rongawer rongawer is offline
 
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It’s almost to the point of humorous... a guy asks if anyone has experience with a prop and immediately there is a flurry of activity by the LSA police...without actually answering the question.

Jim, my recommendation is to post this in the propeller section so as to avoid the contention...it’s the main reason I minimize posting about my build. Don’t draw outside the lines man!

I personally have flown with an airmaster prop and like their controls. Depending on the hub you choose, it will have a climb and cruise detents, along with a dial or “coarse and fine” adjustments. The setpoints are adjustable via a serial port. Also, they will use Whirl Wind Aviation blades, which I find to be very high quality.

I also find that Airmaster is very responsive with customer service, even on the other side of the planet.

As an aside, while you will gain some performance with the CS prop; I personally don’t think it’s worth the money on an RV-12, just based on the design cruising speeds of the airframe.
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Last edited by rongawer : 12-20-2017 at 01:19 PM.
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  #8  
Old 12-20-2017, 01:56 PM
Timberwolf Timberwolf is offline
 
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Quote:
Originally Posted by Mike S View Post
Although not a constant speed, the Warp Drive is an electrically controlled cockpit adjustable prop.

I have a friend who had one on a Kitfox with a Rotax 912, great combination.

Just something to consider...
Warp drive is ground adjustable....IVO prop is IFA...probably what you're thinking of
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  #9  
Old 12-20-2017, 02:00 PM
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Mike S Mike S is offline
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Quote:
Originally Posted by Timberwolf View Post
Warp drive is ground adjustable....IVO prop is IFA...probably what you're thinking of
DUH............ you are right, IVO it is.
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  #10  
Old 12-20-2017, 05:24 PM
E28POWER E28POWER is offline
 
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I understand that some people do not perform recommended due diligence when modifying and aircraft, especially an SLSA/ELSA. I do think that a simple disclaimer should be applied whenever an individual inquires about a modification that is not LSA compliant. Going down a rabbithole is not productive every time someone asks about a modification.
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