Bonjour
Pour ce modele http://www.topmodel.fr/product_detail.php?id=12491
J'ai fait une approche de motorisation (que je possede) avec motocalc .
Merci de consulter le fichier joint et de me donner vos avis.
Alain
Comparison - Hot point himac 3516 1130, Taxi III himax
5m above Sea Level, 101,3kPa, 15°C
Hot point himac 3516 1130 Hot point himac 3516 1130
Motor Himax 3516 1130 Himax 3516 1130
Motor Constant (rpm/V) 1130 1130
No Load Current (A) 1,8 1,8
Armature Resistance (Ohms) 0,03 0,03
Battery Xpower 3400 3S2P Xpower 3400 3S2P
Series Cell Count 3 3
Parallel Cell Count 2 2
Cell Capacity (mAh) 1700 1700
Pack Capacity (mAh) 3400 3400
Cell Voltage (V) 3,7 3,7
Pack Voltage (V) 11,1 11,1
Cell Resistance (Ohms) 0,011 0,011
Pack Resistance (Ohms) 0,0165 0,0165
Speed Control (ESC) Castle Creations Phoenix 45 Castle Creations Phoenix 45
Resistance (Ohms) 0,0026 0,0026
Maximum Current (A) 45 45
Number of ESCs 1 1
Drive System APC 11/6 APC 11/5.5 E
Gear Ratio 1,00:1 1,00:1
Propeller (in x in) 11x6 11x5,5
Series Motors 1 1
Parallel Motors 1 1
Number of Propellers 1 1
Blades per Propeller 2 2
Airframe Hot point Hot point
Wing Span (cm) 150 150
Wing Area (dm²) 41,3 41,3
Total Weight (g) 1925 1925
Static Predictions
Current (A) 40,2 38,6
Motor Voltage (V) 10,3 10,4
Input Power (W) 415,3 400,0
Input Power Loading (W/kg) 215,5 207,6
Power Loss (W) 92,3 83,4
Motor/Gearbox Output (W) 323,0 316,6
Output Power Loading (W/kg) 167,6 164,3
Motor/Gearbox Efficiency (%) 77,8 79,1
Shaft Efficiency (%) 72,4 73,9
Motor RPM 9507 9722
Propeller RPM 9507 9722
Static Thrust (g) 1717 1559
Pitch Speed (m/s) 24,1 22,6
Run Time (min:sec) 5:05 5:17
Flight Predictions
Stall Speed (m/s) 9,5 9,5
Optimal Flight Speed (m/s) 13,6 13,6
Throttle for Optimal (%) 65 75
Duration at Optimal (m:s) 29:59 24:17
Motor Temp at Optimal (°C) 35 38
Hands-off Speed (m/s) 20 20
Throttle for Hands-off (%) 93 101
Duration Hands-off (m:s) 14:27 24:17
Motor Temp Hands-off (°C) 47 44
Best Rate of Climb (m/s) 6,48 4,69
Rate of Sink (m/s) -1,7 -1,7
Note: Motor performance calculations take ambient temperature and heating
effects into account.
Generated by MotoCalc 8.03, 19/02/2008 06:35.
