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Twin jet glider



 
 
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  #1  
Old December 6th 03, 07:49 AM
Slingsby
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"Magnus Johansson" wrote in message ...
The pictures ( www.genesisflyers.com ) showing my Genesis2 with a "jet
turbine" is a JetCat P200 mockup. As it looks now I will use a new Swedish
jet turbine developed solely for sailplanes. The major advantage with this
is that it starts on Jet A1 fuel (no starting gas).
The engine(s) will be 100% retractable into the fuselage when not used.

Magnus


Nice idea, especially if it easily can self start. Try to design it so
that when the engines extend a cover also comes up to close the hatch.
That way you don't have the added drag of a large hole in the
fuselage.
  #2  
Old December 6th 03, 09:15 AM
Magnus Johansson
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Yes it can. One start button and a throttle, that's it. 12-15 s. from
pushing the button to full thrust. I will use the original hatch both when
the engine is inside and outside.

"Slingsby" skrev i meddelandet
om...
"Magnus Johansson" wrote in message

...
The pictures ( www.genesisflyers.com ) showing my Genesis2 with a "jet
turbine" is a JetCat P200 mockup. As it looks now I will use a new

Swedish
jet turbine developed solely for sailplanes. The major advantage with

this
is that it starts on Jet A1 fuel (no starting gas).
The engine(s) will be 100% retractable into the fuselage when not used.

Magnus


Nice idea, especially if it easily can self start. Try to design it so
that when the engines extend a cover also comes up to close the hatch.
That way you don't have the added drag of a large hole in the
fuselage.



  #3  
Old December 9th 03, 08:18 AM
tango4
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A great idea I think but how do you intend to get it past the European
beurocracy - JAR etc? I know the BGA is 'less than receptive' to the idea of
retrofitting sustainer jet engines.

Ian

"Magnus Johansson" wrote in message
...
Yes it can. One start button and a throttle, that's it. 12-15 s. from
pushing the button to full thrust. I will use the original hatch both when
the engine is inside and outside.

"Slingsby" skrev i meddelandet
om...
"Magnus Johansson" wrote in message

...
The pictures ( www.genesisflyers.com ) showing my Genesis2 with a

"jet
turbine" is a JetCat P200 mockup. As it looks now I will use a new

Swedish
jet turbine developed solely for sailplanes. The major advantage with

this
is that it starts on Jet A1 fuel (no starting gas).
The engine(s) will be 100% retractable into the fuselage when not

used.

Magnus


Nice idea, especially if it easily can self start. Try to design it so
that when the engines extend a cover also comes up to close the hatch.
That way you don't have the added drag of a large hole in the
fuselage.





  #4  
Old December 9th 03, 12:44 PM
Andreas Maurer
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On Sat, 06 Dec 2003 09:15:40 GMT, "Magnus Johansson"
wrote:

Yes it can. One start button and a throttle, that's it. 12-15 s. from
pushing the button to full thrust. I will use the original hatch both when
the engine is inside and outside.


These engines are nice - but a couple of weeks ago I saw a TV report
about a model Boeing 747 (200 lbs, scale 1:10), and of 4 engines they
tried to start, one caught fire right in front of the camera. The 747
team seemed to have expected this - a guy with a fire extinguisher was
already sitting right in front of the engine.

Not very convincing safety record if you ask me...



Bye
Andreas
  #5  
Old December 9th 03, 07:18 PM
David Sieber
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Andreas Maurer wrote in message . ..
On Sat, 06 Dec 2003 09:15:40 GMT, "Magnus Johansson"
wrote:

Yes it can. One start button and a throttle, that's it. 12-15 s. from
pushing the button to full thrust. I will use the original hatch both when
the engine is inside and outside.


These engines are nice - but a couple of weeks ago I saw a TV report
about a model Boeing 747 (200 lbs, scale 1:10), and of 4 engines they
tried to start, one caught fire right in front of the camera. The 747
team seemed to have expected this - a guy with a fire extinguisher was
already sitting right in front of the engine.

Not very convincing safety record if you ask me...



Bye



How much do these puppies cost???


Andreas

  #6  
Old December 9th 03, 08:45 PM
Andreas Maurer
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On 9 Dec 2003 11:18:26 -0800, (David Sieber)
wrote:


How much do these puppies cost???


Depends on manufacturer, equipment and thrust, but I think it starts
from $3.000.

Check this:
http://www.shop.graupner.de/webapp/c...&show_cat=5667

Bye
Andreas
 




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