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Title: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 19, 2016, 10:41:34 AM ...this is one of my pet projects and looking forward to try it off a decent slope some time soon.
It is a 72 in, AR 10, Polyhedral glider with a V Tail. What is special about this project is that the wing cores are cut using a drop-arm foam cutter I put together and am very pleased with the results. The airfoil is E2052595 and the AUW is 455g with a WL of about 4.3 oz/sft. here's a compilation of the first few test launches from flat land. Consistently getting 30+sec flights. Trims/CG/ballast needs some tweaking before further flights. https://www.youtube.com/watch?v=QwelYNFbzoU Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 19, 2016, 10:44:24 AM some pics of the build...
Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 19, 2016, 10:46:23 AM more pics...
Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 19, 2016, 10:49:55 AM ...another pic of coro tail feathers, cf boom....pod is made out of coro not shown here.
will post more pics of the completed plane.....but here's a shot of it after the initial launches.... Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: Devanesan Andrews on December 19, 2016, 11:01:02 AM The plane looks very nice sir.. Graceful plane..
Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 19, 2016, 11:07:15 AM ....for the next I intend to use balsa where ever coro has been used....as I could save about 15g.....plus a better airfoil.
I'd be delighted to get flights similar to the one in the video.....guess it should be possible....just needs a slope. https://www.youtube.com/watch?v=OKfnnUVc71o&t=20s Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: sanjayrai55 on December 19, 2016, 11:37:38 AM Excellent :thumbsup:
Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 20, 2016, 12:10:55 PM Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 20, 2016, 12:26:46 PM ....some details :
* the pic showing the CF boom with yellow coro has a 10mm wide 3mm ply stuck right at the end. This was a provision for a regular tail that could be stuck true to this platform around which the pod would be built - just in case the V tail did not work satisfactorily. Title: Re: 2016 Sweepstakes - 72in V Tail Slope/Thermal Glider Post by: bmblb on December 20, 2016, 12:28:29 PM The plane looks very nice sir.. Graceful plane.. thanks Devanesan |