Re: [EVDL] Upcoming Electric Boat Events

2024-09-16 Thread Peri Hartman via EV
Ron" Sent: 16-Sep-24 05:37:42 Subject: Re: [EVDL] Upcoming Electric Boat Events I don't know about Unobtainium, but I think it will probably require some kind of breakthrough, not just incremental improvements. Every vehicle has its own version of the rocket equation (you need enough fu

Re: [EVDL] Upcoming Electric Boat Events

2024-09-16 Thread Ron via EV
I don't know about Unobtainium, but I think it will probably require some kind of breakthrough, not just incremental improvements. Every vehicle has its own version of the rocket equation (you need enough fuel to carry the fuel, which means a bigger, heavier vehicle, which means yet more fuel a

Re: [EVDL] Upcoming Electric Boat Events

2024-09-15 Thread Bill Dube via EV
The tough one is "pull skiers for several hours before recharging." This requires something like 75 HP continuous for several hours. This would require 60 kWh per hour of operation. A boat that could foil (instead of merely coming up on plane) would use less HP perhaps, and would thus require a

[EVDL] Upcoming Electric Boat Events

2024-09-15 Thread Mark Hanson via EV
Hi Folks Has anyone experienced an electric speed boat that can pull skiers for several hours before recharging? Or is it made of Unobtanium. When I electrified my www.evalbum.com/2749 E Cat max speed was 7mph on a displacement hull for 30 miles with 48V 10Kwh LiFePo4 Caleb batteries about 10