Using Roller Bunks for PWC Ramp & Trailer

Question:

I want to have a ramp to bring my 2 x PWC out of the water. What would I use ? I would like the PWCs to be in a single file system. So the ramp has to be long and be able to handle two lite skis - Sparks about 500lbs each. Coming out of water up a small hill. Do I need the wheels on an angle as the PWCs will be on them all summer. Thanks for your help

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Expert Reply:

Roller bunks like the 5-foot Dutton-Lainson # DL21755 and the other similar products shown on the linked page will work best when they are positioned on the trailer or ramp surface in such a way that allows the maximum contact between the watercraft's hull and the flat top surface of the rollers. The fuller and more even the contact the easier the rolling action will be.

On a PWC the hull can have many different profiles or shapes. These can include the common V and modified V, and the deadrise as on a Kawasaki Ultra 300 (which has a deep 22.5-degree deadrise for stability in rough water), as just two examples.

You will want to place the rollers and adjust their orientation to maximize the contact on the your particular PWC's hull.

Roller bunks can be installed directly to a wooden trailer bunk or they can be installed using brackets like # CE10003G-4.

According to Dutton-Lainson, there would be no problem with a PWC sitting on the rollers for an extended period of time. The roller bunks are meant for boats weighing up to 3,000-lbs, and since a PWC will weigh less than 1,000-lbs, there should be no issue whatsoever.

expert reply by:
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Adam R

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