ORIGINAL: Dillion
Ok what am I doing wrong here. I have no power at all. Heres the setup. A 24oz. Plane. A “Graupner: Speed 400 Motor , 7.2V Thrust 8Oz. Volts 8.4 Gearbox 2.33:1 Battery: 7.2v 20C 1550mAh using a Electrifly C-12 ESC for Brushed Motors Prop: 8X6, "These are motors that consume from 35 to 75 Watts and about 6 to 10 Amps"
Is this motor just hooked up wrong? I soldered the diodes in place. You know after writing this out, this motor just isn’t big enough is it? Says it will work on a 25Oz plane but I doubt that. I think I need a Speed 500 Motor. I’ll order this one
http://www.hobby-lobby.com/speed500.htm what do you guys think? This first electric plane is driving me crazy.
8oz is not a lot of thrust, and is more suitable to a light foamy.
A "25oz" plane is a stretch, it would have to be a lightly loaded trainer that doesn't need a lot of thrust to pull it along.
Usually with gear boxes you end up with large diameter props with high pitches, to compensate for the slow RPM rate produced by the gear box. The offset to this is that because of the gear box, a rather wimpy motor can produce consistent RPM's with the larger prop which equals more power.
What plane are you flying?
Also the pictures help but it would be better to see a pic with the pinion gear showing to show us how the motor is retained.
BTW: There are also drop in "inrunner" motors that produce more power too.