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Old 13 February 2006, 05:25   #31
Country: UK - England
Town: swansea
Boat name: ocean pro 6.3
Make: Humber
Length: 6m +
Engine: 140hp suzuki
Join Date: Feb 2004
Posts: 170
would the best way be:
to take the wave at a slight angle if your boat doesnt have the sufficient hull length to bridge the wave properly?

i suggest this as once the boat is lifted beyond its length, there is nothing at the back pushing the back of the boat upwards, only, (in rlni's case) two heavy engines at rear to weigh down the stern!
although there is the risk of rolling, a slight angle into tthe wave should be better i would have tyhought, depending on the steepness of the wave, as the toobs provide good lateral stability.
or....i think to push everyone forward, hold on tight as possible, tilt engine fully in, then at a slow speed ease the boat over the wave. it seems from the video that the main thing which caused the boat to capsize rather thann return to its normal position when it becomes airborne is that the whole boat looses contact with the water, and the forward motion, with the angle of the wave caused it to take off, so surely to apply slow forard motion would be best, to crawl over the wave, and maintain contact of hull and water.............

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Old 13 February 2006, 11:51   #32
Country: UK - Scotland
Town: Largs
Boat name: Spitfire
Make: XS850
Length: 8m +
Engine: 2 x 200 Verado
MMSI: 235905304
Join Date: May 2004
Posts: 174
If a short, steep wave is bearing down on you, I still think that the safest way to cross it is head to sea. I believe that "putting an angle on" significantly increases the risk of a rolling capsize, albeit the vanishing angle in a RIB is probably significantly greater than a conventional powerboat. Additionally, an angle risks the chance of the boat "slewing" across the wave, as the lighter bow gets pushed round more easily than the stern.

Spookily enough I encountered a rogue wave (no, not "The" Rogue Wave!) at the weekend. It was large, steep and unavoidable, and the Atlantic flip video was uppermost in my mind! However, being aboard a 10m Quinquari Humber I needn't have been concerned, and the passengers thought it was brilliant fun!

JIY is offline   Reply With Quote

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