John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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 Posted: Mon Jan 16, 2012 9:21 pm Post subject: Blade Grip Comparison, GSC and Warp Drive |
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These two photos compare a solid wood GSC blade and a WD carbon fiber blade
grip.
Both blades experienced catastrophic failure:
-The GSC blade failed impacting the tail boom of my MKIII, then collecting
the other two blades. That was sometime in September 1993. That failure
cost me a tail boom replacement and some tube and fabric work.
-The WD prop blade is from a RANS S-12 that got away from the owner at WOT
and without wings. Lucky man did not get chewed up by the prop because the
landing gear knocked him and his buddy down when it skyrocketed down the
taxiway. The aircraft continued WOT to the edge of the airport, his a small
berm, then launched about 20 feet in the air. In the process the blades
when half way through a 10 inch pine tree truck that collected all three
blades at the roots. I was parked facing the right side of the S-12, had
just reached for the switch to start the engine in my MKIII, when I heard
the 912UL scream and launch east. What a surprise. No one was injured, and
the RANS was rebuilt with a new 912UL.
john h
mkIII
Titus, Alabama
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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