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Warp Drive prop - "over moulding" cracks

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Wayne G. O'Shea

Warp Drive prop - "over moulding" cracks

Post by Wayne G. O'Shea » Sat Feb 18, 2012 1:43 pm

My 70" x 3 blade has over 400 hours on it and 10+ years of use. Some of the
first years on an O-235 x 100 Hp and the last 6 or 7 (hey my brains still in
la-la land!!) on an O-320-C2A x 150 HP. Still no cracks to date....but it
didn't get a huge amount of very low idle speed taxi on floats.....as I got
very good at spot landing.....making an immediate right turn and straight
onto my airlift at the lake!

Wayne

----- Original Message -----
From: "Walter Klatt" <Walter.Klatt@shaw.ca>
To: <rebel-builders@dcsol.com>
Sent: Thursday, September 29, 2005 10:25 AM
Subject: RE: elevator cables/cargo area

I had 141 hours on my Warp before I changed it to the Sensenich
and no sign of cracking. I know of a local here that put on
several hundred hours on his Warp Drive after the cracks
appeared. Apparently the cracks are only on the aluminum covered
collars at the root. I have heard, too, that the high compression
engines with the stronger pulses are more prone.

Walter
-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of
Rick Harper
Sent: Thursday, September 29, 2005 5:39 AM
To: rebel-builders@dcsol.com
Subject: Re: elevator cables/cargo area


G'day Walt !

How many hours do you have on the Warp Drive prop
???? ... our
lasted 11 hrs - from NEW before it cracked at all 3
blade roots !!! :o(

Rick
541R

PS - What engine & compression are you running ?
----- Original Message -----
From: Walter Klatt
To: rebel-builders@dcsol.com
Sent: Wednesday, September 28, 2005 12:33 PM
Subject: RE: elevator cables/cargo area


My Sensenich prop weighs 37 pounds. My Warp Drive weighed 12
pounds. Haven't tried a Prince prop, but best way to compare
would be to take off on water and fly side by side to compare
rpms and top speed. I have done this with others
including the
MCaulys. I know after flying with me, Julius just
replaced his
brand new MCauly with a Sensenich. My old 3 blade 72
inch Warp
Drive beat my Sensenich in climb and top speed (very
slightly),
but not on take-off. I think the Warp Drive makes
for a better
wheels plane prop, but not quite as good on water.
Would love to
do some side by side comparisons with the Prince,
but until then
wouldn't bet on anything.

Walter
-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of Bob
Fisher
Sent: Tuesday, September 27, 2005 6:35 PM
To: rebel-builders@dcsol.com
Subject: Re: elevator cables/cargo area


hi guys how much does a sensenich prop weigh? what
about it`s efficiency
compared to a prince? say that would be a great
way to save weight
where you don`t want it!

thoughts? bob fisher rebel 342 on amphibs
----- Original Message -----
From: "Bruce Georgen" <bgeorgen@peoplepc.com>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, September 27, 2005 8:35 PM
Subject: Re: elevator cables/cargo area

stuff adds up very
quickly and an extra 100-150 lbs. can cut performance
considerable. gear (which I would not
choose) and a metal Sensenich (I would not use again,
either). Weight is
every thing...every lbs. makes a difference when your
in the business of
defying gravity. amphibs, there are things
I would do different next time, all to reduce weight
and improve performance
which would be my top priority today. I have come
close to taking out the
nice interior I so tediously installed (got to weigh
35 lbs.)...just so my
wife would go flying with me, which she has done less
than i can count on
one hand! Something you builders should think about.
Just my 2 cents. -------------------------------------------------------
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