Thread: Build Log MK Skymaster 20 build
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Old Oct 02, 2012, 05:46 PM
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That's so classic you.
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United States, NC, Stokesdale
Joined Jul 2006
426 Posts
David,
I think 3/16" solid stock for the stab is the best solution.

I finally got around to breaking in the OS. 25 VF DF. I must say, it is a VERY user friendly engine. Hand starts extreamly easy. I put about 48oz of fuel through it at a rich two stoke and an 8x4 prop for break in.
I switched to a 8x6 APC and tuned the pipe/header. I trimmed as much as I dare off the header to start then started on the pipe. I was able to get 18,800 peak. I dont think thats high enough for the DF version so I switched to the APC 8x5. I was able to get 20,150 peak with the header and pipe as short as I can get it (comfortably). I know the DF can spin higher, but I have some reservations about going to a 7" prop or a 4 pitch on this plane.
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