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Retractable gear designs

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Stefan Franke

Member
Joined
Aug 28, 2011
Messages
24
Location
Germany
Hello ,
were can i find sratches from retratable gears. i tried googel but most of pics have been for rc modells.
one gear version like the europa, rf5 rf 3 and normal gleiders have. or something like the bd 5 trigear
or pics form long ez....

thank you for helping me

stefan
 

WurlyBird

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Joined
May 31, 2008
Messages
189
Location
Khowst City, Afghanistan
If you google "Open EZ" you will find all the drawings for the Long EZ which is now considered open source. Only the nose gear is retractable but the drawings show how it works. Sorry but I can't help with any of the others.
 

cluttonfred

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Joined
Feb 13, 2010
Messages
7,664
Location
Fort Walton Beach, Florida, USA
I've attached one example that might help, some sketches from an EAA member in an old issue of Sport Aviation.

I'd also suggest spending some time looking at old issues of FLIGHT magazine online at http://www.flightglobal.com/pdfarchive/index.html. There are many lovely cutaway drawings and other images that will be very informative, especially in the 1930s to 1940s period, though it will help to restrict your searches to one year at a time to limit the number of hits. For example, here is a nice image of the screw-jack operated retraction on the General Aircraft Monospar S.T.18.: http://www.flightglobal.com/pdfarchive/view/1936/1936 - 1157.html.
 

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SVSUSteve

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Joined
Aug 20, 2007
Messages
3,894
Location
Evansville, Indiana
I've attached one example that might help, some sketches from an EAA member in an old issue of Sport Aviation.

I'd also suggest spending some time looking at old issues of FLIGHT magazine online at Aviation History - Browse the History of Flight from 1909. There are many lovely cutaway drawings and other images that will be very informative, especially in the 1930s to 1940s period, though it will help to restrict your searches to one year at a time to limit the number of hits. For example, here is a nice image of the screw-jack operated retraction on the General Aircraft Monospar S.T.18.: http://www.flightglobal.com/pdfarchive/view/1936/1936 - 1157.html.
Thanks Matthew. The gear door retraction mechanism on that SA article is useful in my case! :)
 

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