have a look at this link so you don't have to re-invent the wheel:
http://groups.yahoo.com/group/winchdesign/

have you got any pictures of the old winch?
all the best
Erich


On Wed, Oct 22, 2008 at 7:06 PM, Colin Campbell <
[EMAIL PROTECTED]> wrote:

> Would anyone out there like to make informed comment upon winch design.
> We are in the early stages of upgrading our 25 year old winch, This winch
> has performend well and will be our base line for any new design. It suffers
> from having 40 and 50 year old components which makes it difficult to source
> spares. We average about 1100 launches per year.
> I have suggested a number of topics for consideration.
>        Rope or wire
>
>         Single or double drum
>
>         Diesel or petrol
>
>         Trailer or truck mounted
>
>         Wide or narrow drum
>
>         Use of independant motor or prime mover with PTO
>
>         Source of PTO
>
>         Retreive winch or self laying or tow out vehicles?
>
>         Braking of drum(s) during tow out.
>
>         Guillotine
>
>         Use of commercial components for cable guide system.
>
>         Budget
>
> Regards
>
> Colin C
>
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