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Untitled |
Untitled |
Untitled |
Motor |
Kontronik Fun 500-21 (12V) |
Kontronik Fun 500-21 (12V) |
Kontronik Fun 500-21 (12V) |
Motor Constant (rpm/V) |
2180 |
2180 |
2180 |
No Load Current (A) |
1 |
1 |
1 |
Armature Resistance (Ohms) |
0,0258 |
0,0258 |
0,0258 |
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Battery |
Sanyo 1700SCR |
Sanyo 1700SCR |
Sanyo 1700SCR |
Series Cell Count |
14 |
14 |
14 |
Parallel Cell Count |
1 |
1 |
1 |
Cell Capacity (mAh) |
1700 |
1700 |
1700 |
Pack Capacity (mAh) |
1700 |
1700 |
1700 |
Cell Voltage (V) |
1,2 |
1,2 |
1,2 |
Pack Voltage (V) |
16,8 |
16,8 |
16,8 |
Cell Resistance (Ohms) |
0,004 |
0,004 |
0,004 |
Pack Resistance (Ohms) |
0,056 |
0,056 |
0,056 |
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Speed Control (ESC) |
Schulze future-12.46We |
Schulze future-12.46We |
Schulze future-12.46We |
Resistance (Ohms) |
0,0046 |
0,0046 |
0,0046 |
Maximum Current (A) |
46 |
46 |
46 |
Number of ESCs |
1 |
1 |
1 |
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Drive System |
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Gear Ratio |
5,20:1 |
5,20:1 |
5,20:1 |
Propeller (in x in) |
14x10 |
15x10 |
16x10 |
Series Motors |
1 |
1 |
1 |
Parallel Motors |
1 |
1 |
1 |
Number of Propellers |
1 |
1 |
1 |
Blades per Propeller |
2 |
2 |
2 |
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Airframe |
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Wing Span (cm) |
400 |
400 |
400 |
Wing Area (dmē) |
81 |
81 |
81 |
Total Weight (g) |
4792 |
4792 |
4792 |
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Static Predictions |
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Current (A) |
25,4 |
31,0 |
36,9 |
Motor Voltage (V) |
15,3 |
14,9 |
14,6 |
Input Power (W) |
388,2 |
462,7 |
537,3 |
Input Power Loading (W/kg) |
80,9 |
96,4 |
112,0 |
Power Loss (W) |
50,3 |
62,3 |
77,0 |
Motor/Gearbox Output (W) |
337,9 |
400,4 |
460,3 |
Output Power Loading (W/kg) |
70,4 |
83,5 |
95,9 |
Motor/Gearbox Efficiency (%) |
87,0 |
86,5 |
85,7 |
Shaft Efficiency (%) |
79,0 |
76,9 |
74,3 |
Motor RPM |
31721 |
30617 |
29428 |
Propeller RPM |
6100 |
5888 |
5659 |
Static Thrust (g) |
2085 |
2508 |
2934 |
Pitch Speed (m/s) |
25,8 |
24,9 |
24,0 |
Run Time (min:sec) |
4:01 |
3:17 |
2:46 |
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Flight Predictions |
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Stall Speed (m/s) |
10,1 |
10,1 |
10,1 |
Optimal Flight Speed (m/s) |
11,8 |
11,8 |
11,8 |
Best Rate of Climb (m/s) |
3,23 |
3,92 |
4,54 |
Rate of Sink (m/s) |
-0,78 |
-0,78 |
-0,78 |
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