Re: Electrical question
These "ProBoat" esc's, did you get them from Robot Marketplace? If they're the ones I'm thinking of, then you might discover, as I did, that they are not that smooth, they're either full on or full off, no graduated acceleration/deceleration.
Sabertooths are the best for track motors & swing acceleration/deceleration ramping.
The E-Flite 30amp esc I used for pump has a 3amp BEC & has always been sufficient power for 3 servos & 4 other esc's. My quick coupler using a small gear motor, I had to use a separate BEC so I could preset the voltage to 8v output b/c 4s (16.8v) was too much for tiny motor (just pointing that out b/c not always one electrical system will work for entire model, you may need more than one external BEC for different current/voltage limits)
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