One of the constraints for us is the lack of any hoist in our area.
What would you think of this "crazy" idea? Since the SJ 21 is a
relatively light boat with most of the weight in the keel, carefully
slide the boat off the back of the trailer onto grass. Then roll the
boat over on its side and pull the keel out to work on it (without
disconnecting at the pivot). The boat on the trailer is only about a
foot off of the ground. It might not take too much to raise it just a
little to get it off and then back on the trailer.

only problem I can see is lowering the keel once the boat is on its side.
you might have to lower the keel as you roll the boat. I don't know for
sure how that particular boat would take the strain of lying on its side
on the ground but I doubt it would be a problem. You might have to spread
the strain. Someobdy else should know.

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