aus der Homepage von Plettenberg:
HP 220/20/A3 P4 5:1
Cam Prop 14x9,5“
9,8V 23,4A 5500rpm
12,1V 33A 6600
13,2V 38A 7000
15,4V 49A 7980
16,4V 54,7A 8240
heute nachmittag gemessen:
FUN 500-27 5,2:2 mit 47mm Mittelstück
Graupner Cam Prop 14x9,5"
12,54V 30,2A 6220rpm
13,5V 34,1A 6700
14,8V 41A 7260
Plettenberg dreht höher, braucht dafür mehr Strom.
Daten von Motocalc:
Motor: Kontronik Fun 500-27 (12V); 2770rpm/V; 0,0158 Ohms; 2A idle.
Battery: Sanyo RC2400; 12 cells; 2400mAh @ 1,2V; 0,0032 Ohms/cell.
Speed Control: On/Off Switch; 0,003 Ohms; High rate.
Drive System: 17x11 (Pconst=1,08; Tconst=1,3) geared 6,7:1.
Airframe: 75dm²??; 4000g; 53,3g/dm²;
Stats: 123 W/kg in; 110 W/kg out;
5,43m/s @ 28,8°;
Batt Amps = 38,5
Motor Amps = 38,5
Motor Volts = 12,8
Input (W) = 493,2
Output (W) = 439,9
Prop RPM = 4981
Thrust (g) = 2933
PSpd (m/s) = 23,2
Time (m:s) = 3:44
Motor: Kontronik Fun 500-27 (12V); 2770rpm/V; 0,0158 Ohms; 2A idle.
Battery: Sanyo RC2400; 12 cells; 2400mAh @ 1,2V; 0,0032 Ohms/cell.
Speed Control: On/Off Switch; 0,003 Ohms; High rate.
Drive System: 15x9 (Pconst=1,08; Tconst=1,3) geared 5,2:1.
Airframe: 75dm²??; 4000g; 53,3g/dm²;
Stats: 128 W/kg in; 114 W/kg out;
5,22m/s @ 27,6°;
Batt Amps = 40,1
Motor Amps = 40,1
Motor Volts = 12,7
Input (W) = 510,6
Output (W) = 454,8
Prop RPM = 6363
Thrust (g) = 2820
PSpd (m/s) = 24,2
Time (m:s) = 3:36
[ 07. Dezember 2002, 20:44: Beitrag editiert von: Robert G. ]