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Published on Apr 8, 2009
Video of Spencer flying the Parkmaster 3D set-up with a Hacker A20-20L, APC 10 x 3.8 SF prop and CC Thunderbird 18 ESC. We found the recommended APC-E 11 x 5.5 prop was too much for the plane and caused to much stress on the motor mount area resulting failure of the glue joints.