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Old 07 December 2005, 12:20   #1
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Country: Ireland
Town: Dublin
Length: 5m +
Join Date: Dec 2005
Posts: 2
Too much power?

I'm buying a Humber 5.5m Ocean Pro and I'm waivering over which engine I should get. My previous boat was a 5.4m Tornado with a Yamaha 90 2-stroke. She had alot of difficulty getting on the plane with 6 divers and a coxswain so I'm keen to avoid a similar problem this time. Just to make things interesting, I'm also fairly tightly constrained by weight because I'll be towing with a normal family car, so the lighter the better and 4-strokes are right-out. At the moment I've pretty much made up my mind on a 115HP Evinrude E-tec, which is 50Kg heavier than the Yamaha 90 but I think necessary none the less. Does anyone have a similar boat, what engine did you go for? Is the 115HP overkill? Or does anyone have any recommendations either way?
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Old 11 December 2005, 07:57   #2
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Country: UK - Wales
Town: Wrexham. North Wales
Boat name: FOG DUCKER
Make: OSPREY.
Length: 5m +
Engine: Suzuki
Join Date: Sep 2005
Posts: 85
had same prob

I have a 5.5 osprey that had a 90 2 stroke, I also struggled to plane whilst loaded up. I recently fitted a 115hp 2 stroke Suzuki, still tows great, performs great, I don't think it's over fast, infact the best way to explain is boat & machine in perfect harmony with each other, I'm very happy now, hope this is of any help to you.
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Old 15 December 2005, 03:21   #3
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Country: UK - England
Town: Brittany/Portsmouth
Boat name: Merlin
Make: Solent 6.5
Length: 6m +
Engine: 200
MMSI: soon !
Join Date: Jul 2003
Posts: 5,451
In general, once you are not exceeding boat manufacturer's guidance (double-check that one first!!!) , it can be worth going for a little extra power.

e.g. I was told we would ever only need 3/4 throttle when we went for a 200 !
( )

missus


(Fuel consumption & Load also being part of your equation)
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Old 15 December 2005, 04:06   #4
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Country: UK - England
Town: Nutbourne
Boat name: Renegade
Make: Porter
Length: 6m +
Engine: 140 Tohatsu
MMSI: 235022904
Join Date: Dec 2003
Posts: 1,195
Quote:
Originally Posted by The Jackeens
e.g. I was told we would ever only need 3/4 throttle when we went for a 200 !
( )
Need or want?
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Old 15 December 2005, 15:07   #5
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Country: UK - England
Town: Brittany/Portsmouth
Boat name: Merlin
Make: Solent 6.5
Length: 6m +
Engine: 200
MMSI: soon !
Join Date: Jul 2003
Posts: 5,451
Quote:
Originally Posted by Mark Halliday
Need or want?
And in that very succinct phrase of yours lies the whole story of boating

missus
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Old 15 December 2005, 16:52   #6
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Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,841
Quote:
Originally Posted by The Jackeens
And in that very succinct phrase of yours lies the whole story of boating

missus

Ummmm, have to agree on that one.
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