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Old 04 June 2005, 17:53   #1
Country: UK - England
Town: tresco
Boat name: osprey sparrowhalk
Make: osprey
Length: 5m +
Engine: outboard,petrol,90fs
Join Date: Jun 2005
Posts: 3
Send a message via MSN to j5unoturbo
diveing to one side help needed please

hi all i have a problem with my osprey sparrowhalk rib , when i jump a wave it tends to dive to the left side as i leave water and im looking for help to find out why its happening as it only started a few weeks ago also is a 115hp outboard to power full for a 5.2 meter rib NEED HELP ASAP PLEASE

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Old 05 June 2005, 10:26   #2
Country: UK - England
Town: Paignton, Devon
Make: Chinook and Viking
Length: 7m +
Engine: 150 Etec + 125 Merc
Join Date: Jul 2003
Posts: 526
The most likely cause will be too much weight on the port side of the boat, or the torque of the motor pulling it over. The Sparrowhawk is a light boat and is only rated to 90hp max , so it could be that the engine is the cause.

Brixham BSAC
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Old 05 June 2005, 14:48   #3
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Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,829
Originally Posted by j5unoturbo
hi to find out why its happening as it only started a few weeks ago
I take it it was alright before? So what's changed?
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Old 06 June 2005, 01:27   #4
Country: Sweden
Town: Stockholm
Boat name: Osprey & Ring
Make: Osprey & Ring
Length: 9m +
Engine: Plenty
Join Date: Mar 2003
Posts: 860
What i have seen on older Osprey`s is that they havent installed any drainplug on the transom.
Some boats i have been taken to Swe i have drilled a hole and it`s been couple of hundreds of liters in the hull.

It can be one of the cause but most likely its the engine, 115hp on a Sparrohawk is overpowered but as you said it started recently.
Try to compensate the rotation of the prop by turning quickly with the steeringwheel to the right and se what happends, if boat is running straight in the waves it should be the cause.

Good luck.
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