Electronics Interest

Browse electronics articles from Radical RC, including motors, wiring, components, power systems and technical ideas for curious builders.

Forming a recent NiMH purchase on the Hitec X4 and other computerized chargers.

Ed writes me about properly forming a recent NiMH purchase. Hi Dave, I recently bought one of the FDK Twicell 6.0V 5-cell 2000mah NiMH AA Flat Pack and would like to try it in one of my airplanes . I read all your comments about this battery pack and I have the HiTec...

DC Motors and Generators – Learn Something

An old film to bring you up on the basics. Weirdly, physics don’t change.

How Piezo Gyro’s Work

Excellent video explaining the basics of how gyro’s work.

Balancing Severely Out of Balance A123 Pack

The following is a recent exchange discussing some charging logic that is impacted often by time-out settings in chargers. Not a bad thing all in all. The same logic can be applied to Lipo packs as well. Hi, Dave: Here’s my situation: All of my A123 batteries...

Is Daily Low Self Discharge Rate and Important Factor in RC?

A customer asking about an unusual cell size of ours asks: “Are they are low self discharge?” They are not Eneloops which would be the only NiMH I would classify as Low self discharge. This is almost a silly thing to consider because we come off the...

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