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mbee1(at)mac.com
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 Posted: Fri Jan 08, 2010 9:25 am Post subject: Rotax 912 / suitable propellor |
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I have a Zenair 601HD with a Rotax 912 engine and a 3 blade GSC
ground adjustable prop.
I have just put on a new cowl to help elevate an over heating
problem. The new cowl is
longer than the old cowl which means that I have had to install a 4
inch prop extension.
My GSC prop bolt holes do not match the new extension holes and I am
going to buy a new
prop. I looking at a 3 blade Warp Drive or a 3 blade WhirlWind prop,
both ground adjustable.
I am wondering about the added weight of the prop extension and which
would be the best
prop to use? Any comments on these or any other props would be
appreciated.
Mike
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Dick Maddux
Joined: 24 Jun 2008
Posts: 516
Location: Milton, Fl
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| Posted: Sat Jan 09, 2010 6:44 am Post subject: Rotax 912 / suitable propellor |
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Mike,
Also check out the Kiev prop. It is beautiful and light as a feather.
Dick Maddux
912UL
Milton,Fl
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flyadive(at)gmail.com
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| Posted: Sat Jan 09, 2010 7:05 am Post subject: Rotax 912 / suitable propellor |
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Mike:
What is the prop extension made from? I ask this because on Old Grumman's AA-5's the original was steel and to reduce weight and move the CG back a bit they went to aluminum.
Barry
On Fri, Jan 8, 2010 at 12:21 PM, michael baker <mbee1(at)mac.com (mbee1(at)mac.com)> wrote:
[quote]--> RotaxEngines-List message posted by: michael baker <mbee1(at)mac.com (mbee1(at)mac.com)>
I have a Zenair 601HD with a Rotax 912 engine and a 3 blade GSC ground adjustable prop.
I have just put on a new cowl to help elevate an over heating problem. The new cowl is
longer than the old cowl which means that I have had to install a 4 inch prop extension.
My GSC prop bolt holes do not match the new extension holes and I am going to buy a new
prop. I looking at a 3 blade Warp Drive or a 3 blade WhirlWind prop, both ground adjustable.
I am wondering about the added weight of the prop extension and which would be the best
prop to use? Any comments on these or any other props would be appreciated.atures Navigator to browse
s.com/Navigator?RotaxEngines-List" target="_blank">http://www.matronics.com/Navigator?RotaxEngines-List
ronics.com/" target="_blank">http://forums.matronics.com
Matt Dralle, List Admin.
=====
[b]
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lucien
Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM
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| Posted: Sat Jan 09, 2010 7:24 am Post subject: Re: Rotax 912 / suitable propellor |
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| mbee1(at)mac.com wrote: | I have a Zenair 601HD with a Rotax 912 engine and a 3 blade GSC
ground adjustable prop.
I have just put on a new cowl to help elevate an over heating
problem. The new cowl is
longer than the old cowl which means that I have had to install a 4
inch prop extension.
My GSC prop bolt holes do not match the new extension holes and I am
going to buy a new
prop. I looking at a 3 blade Warp Drive or a 3 blade WhirlWind prop,
both ground adjustable.
I am wondering about the added weight of the prop extension and which
would be the best
prop to use? Any comments on these or any other props would be
appreciated.
Mike |
For the extension, I use a Sabre that came with my WD prop I bought for my plane a while back. They're superb quality and available in a 4" length. If you go with the WD, you can order the extension with the correct 912 hub and all the correct hardware along with the prop from WD.
The Sabre requires the drive lugs in your prop flange tho so make sure you have those installed.
The Warp Drive is about the top of the heap for props for the 912. The Sensenitch 2-blade is becoming popular on a lot of planes, but it's pricey....
LS
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LS
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