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Help Sizing NiCd or NiMH Power System

Old 01-03-2019, 05:31 PM
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Default Help Sizing NiCd or NiMH Power System

Hey all,

I'm designing a plane for a design build fly competition which mandates that only NiCd and NiMH batteries can be used, and I'm having a lot of trouble finding any resources for using those batteries in propulsion systems.

The plane weighs around 3-4lbs and has a 60" wingspan. It has to take off of a 10' long ramp, so I'm hoping to have a power system that can develop 4-5lbs of static thrust. I think that would put my motor in the 300-400 watt range with a 11-13" propeller. However, I don't know if that's possible with the battery limitations.

Any help or info on using and sizing NiCd or NiMH packs would be greatly appreciated!


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