Please tell more about these motors you build and what you use to power them.
Hi Billy. Well, I like to tinker and a friend on our little 100 acre electric only lake renovated/refurbished a 1960 Glastron. He's an engineer, very interesting guy and built a 10kw electric motor a decade ago. He used the leg of a 1950s Johnson and mounted the electric motor up top. Then he built a bigger motor that can push his Glastron close to 30mph. I have to say it's pretty cool to go that fast with pretty much the only sounds being the wind and the wooshing of the water going by. When he built the bigger motor he loaned me his 10kw motor to play with. His bigger motor is a 96v system. The 10kw motor ran on 48v. I ran it on a couple LifePo4 batteries I bought from Amazon.
I put the 10kw on my '67 Glastron and we had some fun with it. The '67 is heavy, v hulled, and would max out at around 7 mph with it. Big wake. Ha. Still fun to goof around with. Then I wanted to build some of my own. I found an old 60s era 45hp motor with a dead block for $30 on FB Marketplace. I pulled the head and mounted a 2,000 watt ebike motor I bought on Amazon for around $150. That build would top out around 5 or 6mph. I built it just for practice and because it was cheap. It was also a 48v system.
I picked up an ePropulsion little Spirit 1.0 motor a year ago to use on a couple boats we have. I was impressed with it and modified it to use old control throttles. There are several videos on my channel with these motors. And then...I wanted to up my game and bought an ePropulsion Navy 6 which is, they say, the equivalent to a 9.9hp outboard. The video clips I attached in the prior post are of that Navy 6 pushing the heavy Glastron. And that motor, the Navy 6, is what I'm looking forward to putting on the '59 Starcraft. I've seen other vids of people using the Navy 6 on boats of similar weight to the Starcraft and going 12 to 15 mph. So we'll see.
The battery bank I use is made up of three 50v, 50 Ah batteries in parallel.
Some of the coolest things with these electrics is no noise. You can have a normal conversation with friends. And....no smoke, no vibration, no going to the gas station, no impellers or fuel pumps, or spark plugs, or carbs, or points, or winterizing, or.... Just connect it and go. There are trade offs though and it's not for everyone. They are slower than gas. They're not cheap. But they're fun.
I know this is an aluminum boat forum but here is a video I did of the Navy 6 on the '67 Glastron.