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Looking for pictures of motorglider failures



 
 
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  #1  
Old December 8th 19, 06:01 PM posted to rec.aviation.soaring
[email protected]
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Posts: 380
Default Looking for pictures of motorglider failures

Motor in a sailplane = a complicated abomination, ......

An efficient light power plane utilizing sailplane aerodynamics = beautiful engineering.,,,,
  #3  
Old December 8th 19, 07:06 PM posted to rec.aviation.soaring
Jonathon May
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Posts: 82
Default Looking for pictures of motorglider failures

At 18:47 08 December 2019, Eric Greenwell wrote:
Some where there is a photo of a propellor blade sticking out of a
duo discus wing.It was part of the AD sent out after a hub failure left
the blades coming off.



wrote on 12/8/2019 10:01 AM:
Motor in a sailplane = a complicated abomination, ......

An efficient light power plane utilizing sailplane aerodynamics =

beautiful engineering.,,,,

Look at an FES sailplane - simple. Much simpler than a towplane,

and much
easier
to schedule when you need a launch. I was part owner of a

towplane for
years, and
it caused me more grief each year than the self-launcher I now

own. And
then there
are the avoided retrieves - simple and priceless!

Are we really having this conversation after all these years, with

80% of
the
gliders going out the factory door with an engine?

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to

email
me)
- "A Guide to Self-Launching Sailplane Operation"

https://sites.google.com/site/motorg...ions/download-

the-guide-1



  #4  
Old December 8th 19, 07:51 PM posted to rec.aviation.soaring
Duster[_2_]
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Posts: 198
Default Looking for pictures of motorglider failures



\J. May:
Some where there is a photo of a propellor blade sticking out of a
duo discus wing.It was part of the AD sent out after a hub failure left
the blades coming off.


I think this may be what you're referring to?
https://assets.publishing.service.go...SAXT_05-16.pdf
  #5  
Old December 8th 19, 08:17 PM posted to rec.aviation.soaring
Jonathon May
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Posts: 82
Default Looking for pictures of motorglider failures

At 19:51 08 December 2019, Duster wrote:


\J. May:
Some where there is a photo of a propellor blade sticking out of a
duo discus wing.It was part of the AD sent out after a hub failure

left
the blades coming off.


I think this may be what you're referring to?
https://assets.publishing.service.go...14f22aed915d16

01000000/Schempp-Hirth_Duo_Discus_T_G-SAXT_05-16.pdf


Thats the incident butI have see more photos one was of a blade
impacted with a wing still I insintue



  #6  
Old December 8th 19, 08:47 PM posted to rec.aviation.soaring
Dave Nadler
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Posts: 1,610
Default Looking for pictures of motorglider failures

On Sunday, December 8, 2019 at 2:15:07 PM UTC-5, Jonathon May wrote:
At 18:47 08 December 2019, Eric Greenwell wrote:
Some where there is a photo of a propellor blade sticking out of a
duo discus wing.It was part of the AD sent out after a hub failure left
the blades coming off.


IIRC, more recent is the blade sticking out of a DG-1000 wing.
Different style hub (conventional 2-blade prop).
Anyone have that picture?

  #7  
Old December 8th 19, 08:06 PM posted to rec.aviation.soaring
Dave Nadler
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Posts: 1,610
Default Looking for pictures of motorglider failures

On Sunday, December 8, 2019 at 1:47:26 PM UTC-5, Eric Greenwell wrote:
Are we really having this conversation after all these years,
with 80% of the gliders going out the factory door with an engine?


That is PRECISELY why we're having this conversation.
Looking forward to your contributions,
Best Regards, Dave

PS: Old, but still relevant (I need to see if Jean Marie has an updated version):
http://www.streckenflug.at/download/motorprobleme.pdf
  #8  
Old December 8th 19, 08:36 PM posted to rec.aviation.soaring
Jonathon May
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Posts: 82
Default Looking for pictures of motorglider failures

At 20:06 08 December 2019, Dave Nadler wrote:
On Sunday, December 8, 2019 at 1:47:26 PM UTC-5, Eric Greenwell

wrote:
Are we really having this conversation after all these years,
with 80% of the gliders going out the factory door with an

engine?

That is PRECISELY why we're having this conversation.
Looking forward to your contributions,
Best Regards, Dave

PS: Old, but still relevant (I need to see if Jean Marie has an

updated
version):
http://www.streckenflug.at/download/motorprobleme.pdf


Prop blade punctured fuselage, dented fuel tank and restricted
aileron movement. It nearly took out the brakes as well. The prop
had flown 38 hours

Missing blade

The flight manual says to check for cracks in the hub every day. This
is what a very badly cracked hub looks like.

There are photos I will try to put a link in.


  #9  
Old December 8th 19, 09:38 PM posted to rec.aviation.soaring
Tom BravoMike
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Posts: 266
Default Looking for pictures of motorglider failures

On Sunday, December 8, 2019 at 12:01:48 PM UTC-6, wrote:
Motor in a sailplane = a complicated abomination, ......

An efficient light power plane utilizing sailplane aerodynamics = beautiful engineering.,,,,


As the Italians put it: Donna e moto amore e dolore...
  #10  
Old December 8th 19, 09:47 PM posted to rec.aviation.soaring
Duster[_2_]
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Posts: 198
Default Looking for pictures of motorglider failures

On Sunday, December 8, 2019 at 3:38:04 PM UTC-6, Tom BravoMike wrote:
On Sunday, December 8, 2019 at 12:01:48 PM UTC-6, wrote:
Motor in a sailplane = a complicated abomination, ......

An efficient light power plane utilizing sailplane aerodynamics = beautiful engineering.,,,,


As the Italians put it: Donna e moto amore e dolore...


Well, for one, my spouse has never failed me (and she's prettier than any Rotax, Solo or FES engine).
 




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