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New Electric Motorglider-Birdy



 
 
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  #1  
Old August 13th 20, 03:42 PM posted to rec.aviation.soaring
[email protected]
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Default New Electric Motorglider-Birdy

https://www.youtube.com/watch?time_c...ature=emb_logo

Dan
  #2  
Old August 13th 20, 06:17 PM posted to rec.aviation.soaring
Dan Marotta
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Default New Electric Motorglider-Birdy

Wouldn't that ventral fin, which protects the propeller, make it
impossible to get a truly low energy landing?

On 8/13/2020 8:42 AM, wrote:
https://www.youtube.com/watch?time_c...ature=emb_logo

Dan


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Dan, 5J
  #3  
Old August 13th 20, 07:01 PM posted to rec.aviation.soaring
Frank Whiteley
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Default New Electric Motorglider-Birdy

On Thursday, August 13, 2020 at 11:18:16 AM UTC-6, Dan Marotta wrote:
Wouldn't that ventral fin, which protects the propeller, make it
impossible to get a truly low energy landing?

Dan, 5J


But no prop strikes!

Frank Whiteley

  #4  
Old August 13th 20, 08:29 PM posted to rec.aviation.soaring
Eric Greenwell[_4_]
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Default New Electric Motorglider-Birdy

Dan Marotta wrote on 8/13/2020 10:17 AM:
Wouldn't that ventral fin, which protects the propeller, make it impossible to get
a truly low energy landing?

On 8/13/2020 8:42 AM, wrote:
https://www.youtube.com/watch?time_c...ature=emb_logo

Dan


It does have flaps, so that helps, and you can hold it off so the tail touches
first; also, at 34 kg/m2, it's a light wing loading, so the touch down speed
should less than a 15M std class ship.


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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...ad-the-guide-1
  #5  
Old August 13th 20, 11:35 PM posted to rec.aviation.soaring
Dan Marotta
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Posts: 4,601
Default New Electric Motorglider-Birdy



On 8/13/2020 12:01 PM, Frank Whiteley wrote:
But no prop strikes!

Frank Whiteley


Said as the glider rolled through the fence on out landing on a short
field. :-D

--
Dan, 5J
  #6  
Old August 14th 20, 12:48 AM posted to rec.aviation.soaring
Eric Greenwell[_4_]
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Default New Electric Motorglider-Birdy

Dan Marotta wrote on 8/13/2020 3:35 PM:


On 8/13/2020 12:01 PM, Frank Whiteley wrote:
But no prop strikes!

Frank Whiteley


Said as the glider rolled through the fence on out landing on a short field. :-D

Bet it lands shorter than the Stemme!

--
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...ad-the-guide-1
  #7  
Old August 14th 20, 01:13 AM posted to rec.aviation.soaring
Dan Marotta
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Default New Electric Motorglider-Birdy

True dat, but, chicken that I am, the Stemme never gets out of range of
pavement.

On 8/13/2020 5:48 PM, Eric Greenwell wrote:
Dan Marotta wrote on 8/13/2020 3:35 PM:


On 8/13/2020 12:01 PM, Frank Whiteley wrote:
But no prop strikes!

Frank Whiteley


Said as the glider rolled through the fence on out landing on a short
field. :-D

Bet it lands shorter than the Stemme!


--
Dan, 5J
  #8  
Old August 14th 20, 05:29 AM posted to rec.aviation.soaring
Tango Whisky
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Posts: 402
Default New Electric Motorglider-Birdy

No, if the angle between wing chord and fuselage is chosen correctly.
 




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