Spektrum PowerSafe AR9140T User Manual page 6

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The following setup is shown as a worst-case scenario indicative of some
aerobatic pilots' setups. It is not recommended to use this setup without proper
voltage regulation for your servos.
Milliamps (used per 10-minute flight) 435mAh
JR8711's and 8317's are rated at a maximum of 6-volt 5-cell use. Using higher
voltages will void the warranty.
0
50
100
In the example above, the average current was 2.62 amps, which calculates to
435mAh per 10 minutes (typical flight length). It's recommended that only 60%
of the available capacity be used to ensure plenty of reserve battery capacity. In
this example, using two 4000mAh batteries (8000mAh total capacity) x 60%=
4800mAh (available usable capacity) divided by the capacity used per 10-minute
flight. 435mAh would allow up to 11 flights of 10 minutes each.
Airplane 40% YAK
Servos 9-JR8711's 1-8317 (throttle)
Batteries Two 4000mAh 2-cell 7.4-volt Li-Pos
Regulator None
Engine DA150
Weight 40 lb
Flight envelope Aggressive 3D
Average current 2.62 amps
Peak current 17.8 amps
File: JasonNoll.FDR Session:All Sessions
150
200
250
Seconds
PackAmps_A: Min 0.00 Max 17.80 Avg 2.62
6
300
350
400
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
450

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