GAJ
Well-Known Member
Has anyone got the power output and fuel consumption info for the Prima M50 by any chance? I have searched the web but to no avail.
Regards
Graham
Regards
Graham
Perkins Prima M50
- Thread starter GAJ
- Start date
pvb
Well-Known Member
You can't have searched very hard - power output is 49.6hp (there's a clue in the "M50" name). As for fuel consumption, it's rarely quoted for marine engines as the operating conditions vary so much. It'll be very similar to any other 50hp engine.
Goldie
Well-Known Member
FWIW, my Prima 50 averages about 0.6GPH over the course of a season. That's mainly either manoeuvring, entering/leaving harbours or motoring in very light conditions. Long bouts of motor sailing in stronger conditions would probably increase the figure.
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Playtime
Well-Known Member
That sounds similar to my experience with a Volvo MD22L (same engine, different badge). I have averaged around 2.5L per hour in mixed motoring over the last 10 years.
homer
Well-Known Member
We crossed France, North to South, by canals and rivers last year and our M50 (aka VP MD22L) managed on less than 2 litres an hour. Mind you, there is a low speed limit much of the way.
GAJ
Well-Known Member
Any ideas where to look then?
I know the basic spec of the engine and now know it innards quite well as I have just overhauled it. I too see it using around 2-2.5 lts an hour but that limits us to between 750 and 840 nm at cruising revs on a full tank and there have been times in the past when I have wanted to go further.
What I am after is the power output/fuel consumption graph like whot I had for my older Perkins 4108 so that I can get a clue as to the most economical revs for extending range to the max. Having only used the boat for one season we have not had time to sort it out yet. I suppose I can always slow down a bit and see how far we get though................
I know the basic spec of the engine and now know it innards quite well as I have just overhauled it. I too see it using around 2-2.5 lts an hour but that limits us to between 750 and 840 nm at cruising revs on a full tank and there have been times in the past when I have wanted to go further.
What I am after is the power output/fuel consumption graph like whot I had for my older Perkins 4108 so that I can get a clue as to the most economical revs for extending range to the max. Having only used the boat for one season we have not had time to sort it out yet. I suppose I can always slow down a bit and see how far we get though................