Today's Message Index:
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1. 06:44 AM - Re: Rotax 912 / suitable propellor (catz631@aol.com)
2. 07:05 AM - Re: Rotax 912 / suitable propellor (FLYaDIVE)
3. 07:24 AM - Re: Rotax 912 / suitable propellor (lucien)
4. 07:53 AM - Re: Rotax 912 - Suitable Propeller (John Goodings)
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| Subject: | Re: Rotax 912 / suitable propellor |
Mike,
Also check out the Kiev prop. It is beautiful and light as a feather.
Dick Maddux
912UL
Milton,Fl
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| Subject: | Re: Rotax 912 / suitable propellor |
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@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
>
>
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| Subject: | Re: Rotax 912 / suitable propellor |
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
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=280799#280799
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| Subject: | Re: Rotax 912 - Suitable Propeller |
Our aircraft is a CH601HD with a Rotax 912S with a GSC 3-blade ground
adjustable prop with the long cowl with a 4-inch prop extension. With the
912S (100 HP), we have a 68" prop; I have on my wall the 66" GSC prop for
the 912 (80 HP). The same prop extension has the same holes for either
prop or either engine. Is it possible that your problem can be solved
more cheaply and more easily by getting a different (correct) prop
extension? Personally, I like the GSC props - it is very easy to inspect
the varnished wood for a crack at the prop tips. It happened to us; a
tiny crack appeared (we think it must have picked up a stone). We bought
a new matching blade from GSC; in fact, they quickly shipped us a matched
set of 3 new blades for the price of one - good company.
John Goodings, C-FGPJ, CH601HD with R912S, Carp/Ottawa/Toronto.
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