"Bruce in Bangkok" wrote in message
...
On Sat, 29 Mar 2008 01:12:17 GMT, Jere Lull wrote:
The tide and sling rig isn't logical and I can't believe ever existed.
If you are working on the boat at low tide just prop it up on the
beach. Heck, they been painting lobster boats that way for a couple of
hundred years, or more. Probably been cleaning those oyster tongers
down your way using the same scheme.

There is some logical use for such a device if you plan to do some major
work which you might not be able to finish on one low water session.