Sunday, December 29, 2013

9x6 Propellor, 3Cell, Benchmark

Finaly my 9x6 props arrived. It's a HobbyKing APC Style 9x6 propellor. This is not a genuine APC prop. It is a cheap hobbyking clone. And to be honest the quality is cheap. The quality of these props is even a lot worse than the hobbyking slow fly props. The prop tips break very easy and all edges are very rough.  I bought these because this where the only affordable 9x6 props that come in CW and CCW configuration.








The difference between puller and pusher configuration is ~8% for this setup.
The values in bold at 225 gram thrust is what I need for my current Y6-copter project.
Test is performed with a 12V power supply (= 3Cell lipo battery).



Thrust
grams
9x6 pull
Watt
9x6 push
Watt
push-pull
%
25 4,0 3,2 21,1
50 6,5 5,8 11,3
75 9,8 8,8 10,8
100 13,2 11,5 12,8
125 16,2 14,7 9,7
150 20,3 17,8 12,0
175 22,4 20,8 7,1
200 25,0 25,0 0,0
225 28,8 28,8 0,0
250 32,7 32,5 0,6
275 37,3 36,4 2,5
300 45,9 40,9 10,8
325 51,9 44,9 13,4
350 55,8 50,7 9,1
375 59,4 54,9 7,6
400 65,4 59,2 9,5




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