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Carver 390 CPMY - 'Sweet Spots' for fuel economy?
- boatingbob
- Scurvy Dog
- Posts: 20
- Joined: July 26th, 2015, 11:03 pm
- Vessel Info: 1995 Carver 390 CPMY
- Has thanked: 5 times
- Been thanked: 3 times
Carver 390 CPMY - 'Sweet Spots' for fuel economy?
I've been running mostly just below hull speed, and unless I've been consistently goofing up my calculations when I fill up, my economy has been really good (about 4gph combined when running at 7 - 8kts).
At a little less than 2mpg, I'm pretty happy with that. On a run, I'll put it up on the plane and get about 14kts at 3000rpm for 5min or so to clean out the carbs, but I like the economy at 'trawler speed'.
But...if any of you have some reliable flowscan data at planing speeds, I'd love it if you share them.
On another geeky note, what do you think the minimum planing speed of a Carver 390 CPMY is? I have a 1994 model, and I'm trying to figure out the minimum planing speed before it starts to 'mush' and just push gobs of water (which obviously isn't good for fuel economy). At 39' LWL, I guessing Hull Speed is just under 8kts.
Thanks!
- Lyndon670
- Admiral
- Posts: 657
- Joined: July 29th, 2013, 11:35 pm
- Vessel Info: 2000 Carver 506
Volvo TAMD74EDC - Location: Georgian Bay
- Has thanked: 124 times
- Been thanked: 140 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
http://www.boat-fuel-economy.com/crusad ... us-gallons
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
- tonyiiiafl
- CYO Supporter
- Posts: 902
- Joined: November 19th, 2015, 4:00 am
- Vessel Info: 1994 Carver 39 Cockpit Motor Yacht
- Location: Cape Cod, MA
- Has thanked: 601 times
- Been thanked: 190 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
- feeez
- Commander
- Posts: 421
- Joined: May 14th, 2014, 6:32 am
- Vessel Info: 2001 350 Mariner
- Location: Beacon Bay Penetanguishine Ontario
- Has thanked: 52 times
- Been thanked: 65 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
Fraser
- Lyndon670
- Admiral
- Posts: 657
- Joined: July 29th, 2013, 11:35 pm
- Vessel Info: 2000 Carver 506
Volvo TAMD74EDC - Location: Georgian Bay
- Has thanked: 124 times
- Been thanked: 140 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
- feeez
- Commander
- Posts: 421
- Joined: May 14th, 2014, 6:32 am
- Vessel Info: 2001 350 Mariner
- Location: Beacon Bay Penetanguishine Ontario
- Has thanked: 52 times
- Been thanked: 65 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
- Lyndon670
- Admiral
- Posts: 657
- Joined: July 29th, 2013, 11:35 pm
- Vessel Info: 2000 Carver 506
Volvo TAMD74EDC - Location: Georgian Bay
- Has thanked: 124 times
- Been thanked: 140 times
Re: Carver 390 CPMY - 'Sweet Spots' for fuel economy?
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
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