Motor: | Graupner Speed 280 6V #6328; 2333rpm/V; 0.882 Ohms; 0.275A idle. |
Battery: | Sanyo 720AAA NiMH; 8 cells; 720mAh @ 1.2V; 0.04 Ohms/cell. |
Speed Control: | JETI 050; 0.009 Ohms; Low rate. |
Drive System: | Robbe SlowFlyer Gearbox 4.5; 10x7 (Pconst=1.18; Tconst=0.995) geared 4.5:1. |
Airframe: | My Po-2; 24dmē; 400g; 16.7g/dmē; Cd=0.064; Cl=0.52; Clopt=0.85; Clmax=1.15. |
Stats: | 29 W/kg in; 19 W/kg out; 5.1m/s stall; 5.9m/s opt @ 65% (43:21); 7.5m/s level @ 80% (35:03); 0.48m/s @ 4.7°; -0.56m/s @ -5.4°. |
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Note: This analysis is based on calculations that take motor heating effects into account.
Colour Key: | Propeller Stalled | Stall Speed @ Clmax=1.15 | Level Flight @ Clopt=0.85 | Level Flight @ Cl=0.52 |
Generated by MotoCalc 6.04, 11/15/2002 2:18 PM.