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Old Nov 30, 2012, 03:22 PM
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F86 Sabre with JetCat P20SX


Hello,

I start build F86. Based on foam F86 from HobbyLobby - wingspan 1400mm
Last edited by grapo; Nov 30, 2012 at 03:35 PM.
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Old Nov 30, 2012, 03:52 PM
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310mph Kolibri T25 Swist
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A P20 will fly this bird just fine, but I would absolutely mount the turbine much closer to the CG and und a thrust tube from grumania. Installed in the right way a thrust tube might even increase the thrust (amir@hab.se sells test and tune benches for P20SX) In that way you will save 1lb+ on the AUW and keep the thrust :-)

I know me and a friend have been flying these kind of planes with turbine power for a while :-)

Old Dec 01, 2012, 11:12 AM
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This plane is from foam and build in the exhaust and turbine in CG - very danger for heat :-(

In this case I do like this - the weight of the turbine is cca 300g and I put only the batery forward and that will be fine for right CG.

Today I started my turbine first time - SUPER all was work well
Old Dec 01, 2012, 01:33 PM
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310mph Kolibri T25 Swist
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Quote:
Originally Posted by grapo View Post
This plane is from foam and build in the exhaust and turbine in CG - very danger for heat :-(

In this case I do like this - the weight of the turbine is cca 300g and I put only the batery forward and that will be fine for right CG.

Today I started my turbine first time - SUPER all was work well
P20 Weights 372grams. It's no problem with the heat inside the fuselage. A turbine is not very hot, only the exhausts are :-)



Old Dec 02, 2012, 03:22 PM
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Hello,

there is a link on first start turbine in plane:

http://www.youtube.com/user/GrapoAirTech
Old Dec 04, 2012, 10:16 AM
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The last check of fuselage before welding together
Old Dec 04, 2012, 10:17 AM
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complete plane and view on cocpit
Old Dec 04, 2012, 04:38 PM
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Grapo, how did you insulate the turbine from the plane’s walls?
Old Dec 05, 2012, 06:42 AM
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Nothing special, the space between the turbine and wall of fuselage is enough for cooling. I add only the aluminium foil on exhaust part - during start there were little bit higher temperature - I have a 5 test runs of turbine and no problem
Old Dec 13, 2012, 01:14 PM
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Today I finished the marking and stencils on the plane. When will be right weather I start with taxiing
Old Dec 22, 2012, 05:20 AM
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Finally - maiden flight :

F86 Sabre - JetCat P20SX turbine - Flight (6 min 41 sec)


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