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Scratch and Kit Built Aircraft Discuss and share your scratch built or kit built aircraft as well as building techniques, methods, mediums and resources.

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Old 03-10-2011, 12:52 AM   #1
hankg
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Thought I'd post a thread that outlines a 30" Profile Epp Sukhoi. The gentleman that drew up the plans is from the U.K. and I put together my version made from 6mm 1.9# EPP rather than the 9mm 1.3 EPP he used for his plane.

Anyway, the little plane turned out very well and flew in a marvelous manner so I thought I'd put it on this forum for all you EPP aficionadoes.

http://www.rcgroups.com/forums/showthread.php?t=1354055

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Hankg
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Old 03-10-2011, 12:55 AM   #2
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That looks really nice Hank. I've been looking around at plans for a smaller flat foamy and that one may just be the ticket.

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Old 03-10-2011, 12:59 AM   #3
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I really like the Sbach you posted. How does it fly?

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Old 03-10-2011, 02:04 AM   #4
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Grasshopper,

I bought that 32" Sbach as a kit from Mike at www.E-foamy.com. I really liked the looks of the Sbach ( I think a lot of Mike's company and his planes) but it (the kit) has a quirk as far as I'm concerned. The distance between the trailing edge of the wing and the leading edge of the horizontal stabilizer is way less than the width of the wing measured along the fusalage. This "short coupling" makes the plane a real handful for me to fly. This kit is the only one I've see that is true to the actual Sbach's looks except for the fact that the wing and hor. stab. are on the same line. I like that because it keeps the look authentic.

Mike is an expert with 3D planes so he makes it look easy to fly but I found it a handful when compared to his Yak 55 and Edge 540. If you look at most of the Epp 3d planes, the distance between the trailing edge of the wing and horizontal stabilizer is slightly greater than the wing width at the fusalage. They are both on the same horizontal plane so the air coming off of the wing doesn't disturb the hor. stab. With this plane, I think it does.

I really like the looks of the Sbach so I've moved the hor. stab. up to an approximate position it lies in on the real Sbach and moved the wing down to it's approximate position on the real airplane. At present I've got the servos and receiver mounted and will get the rest of the gear on as time permits. I am looking forward to getting it airborne in the next month.

This little Sukhoi 31 has the hor. stab. in the correct position so I built it to see how it flew, hoping to use that experience to work on the Sbach. I got a nice little airplane for my hanger out of the process.

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Old 03-10-2011, 03:20 AM   #5
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SBachs are like that, I have an RCFoam one and it's the same way.
I just recently got a "Freestyle" at the RC Extravaganza in KC, got to fly it first and I was really impressed, so I picked up a kit, motor, ESC, and other little bits to build it. I like the kit, but the instructions could use some refinement. I mean, it's a foamy, but I'd rather not miss something and have to go back and fix it.
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