Friday, October 4, 2013

10x60 Propellor, 3Cell, Benchmark

A third 10 inch prop (Master Airscrew propeller 10x6) that I've got confirms again the inefficiency of the a 10 prop in combination with this motor on a 3 cell battery.

This prop has a high pitch and that could be intresting when executing coaxial benchmarks with different propellors. As for a single prop benchmarks it looks like a higher pitch increases the negative prop wash effect on the pull motor. So the difference in consumption between the push and pull motor is lager then with props that have a smaler pitch.

For this prop I have the same motor temperature remark as for the 10 inch Slow Fly prop.

The difference between puller and pusher configuration is ~10% .
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
10x60 pull
watt
10x60 push
watt
push-pull
%
25
3,8
3,5
7,9
50
6,9
6,3
8,7
75
10,6
8,8
17,0
100
13,9
11,9
14,4
125
17,3
14,7
15,0
150
20,7
17,5
15,5
175
23,9
20,1
15,9
200
27,8
23,9
14,0
225
31
27,8
10,3
250
35
31,4
10,3
275
39,1
34,7
11,3
300
42,9
38,7
9,8
325
47,6
42,5
10,7
350
51,5
46,8
9,1
375
55,5
50,5
9,0
400
61,1
55
10,0


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