Thanks for helping out as I have no experience or anyone to go to on this size. The cells are Dewalt LIFEPO4's. Loafing at 20 C. No fires under any loads or charges.
RTR will be 10 to 11 # .
Novak is a brushed unit.
It handles accidental reversed hookups very well. 2 X.
What a flash the poor circuit breaker must have endured.
I have some Prop Shop props from England. They are 5 bladed bronzes of about 4 x 4.5" pitch.

2 lift my 72" WW II PTB in about 30' after WOT, from a dead stop. It weighs 60 lbs.

My boat experiences are useless on the hydros.....Try to post the props