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Bill McKee
 
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"Don White" wrote in message
...
wrote:
snip...

Why hasn't somebody invented a bunk and roller combo trailer?

It would be designed so that the boat sat on bunks, but a series of
rollers set alongside the bunks could be raised (hydraulics?) to ease
loading and unloading. The rollers would only need to raise enough so
that the tops were maybe 3/4 of an inch above the bunks. Getting the
rollers too high would defeat the purpose of allowing easier launching
and recovery with a bunk trailer. Best of both worlds, better support
for the hull on the trailer and easier launch and retrieval.

snip...

Good idea...probably wouldn't need hydraulics for lighter boats. A couple
of screw jack apparatus with a large 'crank handle' would probably do the
trick.


Saw an ad for something like this a couple of years ago. Popular
Mechanic's? Was a screw drive activator.