Initially the keel had 2600 Kg. Now it has been substantially reduced to %$& Kg.
As far as riding on the boat, well, you're absolutely right...they were there (I wasn't
), by their choice, (remember, this is Europe, they wouln't sue if something happened
), the two in the front are the sons of the builder, both race in TP52, the one in the rear is the Yanmar manager...guess they trust their work...still, if the strap let go....I would worry about the boat, too...