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Old 05 March 2007, 07:09   #1
Country: UK - England
Town: Dartmouth
Boat name: Puffling
Make: Avon Rover 3.4m
Length: 5m +
Engine: Mercury 15hp
Join Date: Jan 2002
Posts: 401
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Flighty overpowered...

Having seen a 150hp on a 5.4m Searider, I have no doubt that they could take a 115.. however, I have driven many 90hp versions with decent props and have occaisionally hit 45 knots on flat calm days whilst trying not to get thrown out the boat from Chine walking...

Has anyone else used a bigger engine and what are they like? I used to have a 60hp on a 4m and that was bad enough.. however I it was an old early 90's engine.. not a modern lightweight..

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Old 05 March 2007, 07:35   #2
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 12,822
Well.... it's within the max weight for a 5.4 and it's only going to be as fast as you open the throttle?

Not sure I like that console fitment though. Looks rough.
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Old 05 March 2007, 13:01   #3
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,266
over power a rib and it just does not handle, way to flighty and upsets the balance!!
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Old 05 March 2007, 17:15   #4
Country: UK - Scotland
Make: Ribcraft
Length: 5m +
Engine: 90hp
Join Date: Aug 2006
Posts: 380
Plus there is also ambiguity as to whether an insurance claim would pay out if it's being run out of spec!
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Old 06 March 2007, 06:43   #5
Country: USA
Town: boston
Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
"Chine walking..." this is mostly from the driver, more skill means less chine walk.
unless the power is to heavy for the hull, once setup right it would be fine.
bein Overpowered is a state of mind, it only goes as fast as you try to go.
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