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Old 05-24-2005, 09:57 AM   #1
garyk
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Default Trailer Q: Alum=bunks F\'glass=rollers, Why?

OK, here's your dumb question of the day:

On boat trailers, why do aluminum boats use bunks and fiberglass use rollers?

Can aluminum boats be used on either, equally well?
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Old 05-24-2005, 10:48 AM   #2
STGRule
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

My personal glass boat has bunks. It came that way. My work boats (both plastic and metal) that came with roller trailers were converted to bunks and all new trailers are ordered as bunks. Can you tell I prefer bunks? :smile:
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Old 05-24-2005, 11:55 AM   #3
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

Rollers would bend the thin aluminum skin plate on many recreational boat hulls. Think what happens when you hit a chuck hole. Bunks have a greater area of support.
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Old 05-24-2005, 11:57 AM   #4
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

You can use either. bunks offer more support. rollers are easier to load if you can't power on. I think the older fibreglass boats used rollers because they were worried about abraision on the hulls
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Old 05-24-2005, 12:20 PM   #5
Spindrifter
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

I have a glass boat with bunks also. Seems pretty funtional to me. Loads and unloads well and doesnt mess up the gelcoat.
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Old 05-24-2005, 01:17 PM   #6
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

Yeah my fiverglass boat has bunks and it is so nice just walking it on the trailer.
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Old 05-24-2005, 08:21 PM   #7
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Default Re: Trailer Q: Alum=bunks F\'glass=rollers, Why?

My Shoreland'r has both for my fiberglass boat - a great combination. I have a center-line "slight "V" bow roller which makes driving on and lining up to the winch a snap. The middle of the boat lights rests on the bunk until I pull out of the water, then the boat fully settles on the bunks, and roller.
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