63" is a big hull for electric anytime, and it would take a fair splash of coin to make it a viable build. If you went for a smaller hull, 45" or so it is quite possible for 8-10 min runtimes on 10s 10000 mah. Like Shawn said I am doing 20 minute runs but I have set my boat up to do endurance racing and so have had to spend the money on big batteries, plus they cost way more to get to New Zealand also!
I currently have a 45" hull that has a TP 56110 650 kv motor in it. I did a run just last Saturday on 10s 2P (10000 mah) and 12 laps of our course ( it was rough and windy so mostly only part throttle except for a squirt on the straights) used only 40%. That was on an X460 and a max speed of 88 kph. On 8s it would run at around 70 ish kph and be quite a fun basher and with lower amp draw would have a pretty decent runtime.
Even with your big hull, you could run a similar/same size motor/kv. At around 40 mph you wouldn't need to spend a fortune on batteries, and a Seaking 130 HV esc would be sufficient. You would have a fair bit of room to play in regard to prop sizes also.
I have some Graupner K series props coming to try, they are 'plastic' props but may work better for runtimes, and are cheap and do not need any finishing.
If you want to build the hull you have, go for it. You will have to spend a bit of time and money but that is what a hobby is about anyway. Getting there is half the fun!
NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
2016 SUHA Q Sport Hydro Hi Points Champion.
BOPMPBC Open Mono, Open Electric Champion.
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