by Captain James R. Watson

Above: The nearly finished masthead fitting Captain Watson fabricated using the lost foam method of creating custom parts.

Here’s another use of the lost foam method to produce a custom part with a molded interior cavity. In this case, the part was a masthead fitting to hold an internal sheave and provide a route for the halyard to pass. This method can be adapted to a variety of other applications, as demonstrated in Fabricating an Airscoop. Continue reading →