homemade electric outboard - Boat Design Net
Aug 11, 2009 · I did a little "kids boat" with an electric scooter motor, inboard, direct drive through the skeg. motor was rated 250 watts, 2500 rpm on 24vdc. it did about 1/2 that on 12v. motor was about 4" diameter (10 cogs per rev = 5 windings?) and big on torque.
24v 120lb DIY brushless motor project - Boat Design Net
Jun 7, 2017 · But 120lbs motor ratied input power is 1470W. Max shaft power is about 1083W. Even a 2 HP gas OBs can not propped to 5-15 knot speeds. 1mph speed rising, it also need double power increasing. 5-15 knot is too big range. Caroute Motor, Jun 20, 2017.
DIY Electric Surface Drive - Boat Design Net
Oct 17, 2016 · After a successful, yet disappointing outboard electric conversion I decided to pursue a steerable, trimable, sub-surface/surface drive for an ugly 12' aluminum semi-v center console. The boat lives on a small "electric only" lake and the goal was to have a little more fun than trolling motors provide. View attachment 110164 View attachment 110165
Using multiple electric trolling motors on a 34' catamaran
Nov 2, 2021 · My goal is to have an electric motor (s) to use for trolling and to be able to go short distances (15-20 miles) in a day using solar power alone. I figure with a boat this size, I would need at least 3 to generate enough thrust to push this catamaran along at 2-3 knots. I plan to have 8 solar panels of 450 watts and a 5.6kw lithium battery.
hydro-generator | Boat Design Net
Jan 8, 2012 · The slipstream a prop creates effectively straightens out the inflow condition seen by the prop. The heave of the boat has less effect than you would expect. On a generator, the situation is reversed, any heave or inflow irregularity is magnified. Just watch any air generator on a pole on the transom of a sailboat.
Golf cart motor for small boat. - Boat Design Net
Nov 24, 2009 · If you look at the solar boat post by Dr. Bob, you will find a brushed motor that is up to 93% efficient, compared to maybe 60% for your series wound. Then if you use Lithium batteries for power, the weight savings will allow for a smaller boat of same capacity. There have been some good suggestions on hulls already.
Electric Propulsion - Boat Design Net
Sep 2, 2024 · Electric motor types. ... Planing electric boat with 40kw battery bank. ... DIY Outboard Conversion.
DIY Autopilot/controls for Smaller/auxiliary Outboards - Boat …
Mar 1, 2012 · You don't have to have a device attached and in the way of the tiller. 2. The actuator stroke (distance from fully retracted to extended) doesn't have to be a long as something attached to the tiller handle. 3. Allows you to easy trim, tilt / raise the motor without having to disconnect a tiller handle based autopilot.
Converting outboard to electric? - Boat Design Net
Jun 18, 2017 · If I understand your question correctly you want to remove the gasoline engine and put an electric motor there. The answer is yes, a 10hp outboard leg can easily handle a 10kw motor. The electric motor delivers its power much more gently, without vibration and with a much lower heat load. You can block the gear in fwd and reverse electrically.
Electric motors and generator on board | Boat Design Net
Apr 25, 2019 · I have almost that on my 27ft Motor boat, a 4kw Diesel generator, 500Amp hours of lead acid batteries and a 10Kw Electric motor (3 phase). 4 solar panels on the roof. The maximum speed limit on the river is 6mph, and much of it 4mph. Max hull speed is acheived long before full power is required. I use just battery power from the moorings to the ...