socalrider
Guru
- Joined
- Feb 14, 2020
- Messages
- 1,055
- Location
- usa
- Vessel Name
- SEA WOLF
- Vessel Make
- 1979 CHB 41 Trawler
I didn't see nmpg stats?? I miss something. With only 125 hours on both motors - current owner not too pleased? Also, having 5 fuel tanks at 150 gal ea... 750 gals gives what range [of course leaving a 20% fuel buffer]?
I got some more detailed info from the broker.
For context, I make my living from consulting in the renewables / clean tech industry, I'm trained as a mech-e, and have designed hybrid-electric propulsion systems back since the 1990s. I love this stuff. But man, the physics of it are so tough for boats and the details of this build illustrate why.
Bottom line is they're claiming 3-3.5gph at 6-7kts cruise. The traction battery pack can provide 1hr at 5kts (~30kWh from what I can tell). There's space for 2kW of PV, which would provide... ~20 minutes at 5kts per day.
I'd still love to sit down with the owner & understand the decision making that went into this.