Although a Lehner 30100 is the right motor for a no expensive spared setup it is quite expensive. And you will need an equally capable 300A ESC. 33k is is a good target for a Lehner 2-pole, but 22-25k is much more suited to a 4-pole or 6-pole motor. As suggested above a TP5680 would be a great low cost option. Also consider the Tenshock 5380 motor. https://www.tenshock.com/products/ts...lessmotor.html
12S is a good choice for lipos. If you want a balance of runtime and speed look at a 2P setup using 5000mAh to 6000mAh cells. You only need 45C rated cells if you run a single motor with a 2P battery system. Hobbyking have a buy 2 get one free and I believe the large 6000mAh 6S packs are included in that sale. https://hobbyking.com/en_us/turnigy-...ck-w-xt90.html
Make sure you get a good ESC though. This will be the Achilles heal in your power system.
Also just a note on cells, anything higher than 10S excludes you from NAMBA/IMPBA insurance. With this large powerful boat make sure you have AMA insurance just to protect yourself.
-Tyler
Tyler Garrard
NAMBA 639/IMPBA 20525
T-Hydro @ 142.94mph former WR
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