Understood robin,
I maybe read it wrong thought it was rated for 8.6v I think I’m gonna go with a counter weight option so when the servo is off it will hold still on it’s on or close to it.
For the head moving I’m planing on using a servo for the head as well. Same size servo could running it off the board work for it. It will only be moving a styrofoam head with little to no weight. Or should I get a power supply that will power both servos with plenty of amps for them. I’m not sure I can find a 6v power supply with 10 amps but I may be able to.
if not would these batteries do the job 5 for each servo https://www.amazon.com/Tenergy-Premium-Rechargeable-Batteries-Capacity/dp/B00B4JJTIA/ref=mp_s_a_1_5?dchild=1&keywords=aa+nickel+metal+hydride+battery&qid=1601741820&sprefix=aa+nickle+metal+&sr=8-5