RE: a good second boat!
Most likely not, as the 700bb is a 9 turn motor, if I'm not mistaken.
Being UK based, you could get an MIMIR esc by CTI for 32,50 Euro ex shipping; 30V - 50A continuous, I run my 700bb Neo on it, no problem.
Let me know if you want the mailadress to order one.
Regards, Jan.