Bob Cleek wrote:What a shame to learn of her demise. I take it then that the owner installed an "antique" Atlas smelly long-chain hydrocarbon in her from the outset because somebody told him she was over 40' and couldn't operate under steam without a USCG licensed operator? What does 40' "over the sheer" mean, anyway? I would have expected "40'" would mean 40' between perpendiculars, correct?
The "Forty Foot Rule" determined the minimum length of a vessel which had to pass USCG inspection on the design and construction of the steam plant. The 40' was measured (based on an old admeasurement scheme) as being the distance from the inside of the stem to the centerline of the rudder shaft - less than 40' meant you were free of inspection requirements. This rule stopped many an early hobby steamboater. I got to participate in this "fun with the Coast Guard" game when I was adult engineering advisor aboard
Oceanid in the 1970s. When Dick Fortier started construction of
Pamela Deare, he thought he could get by with the "between perpendiculars" rule, but it had changed either just before, or during (not sure of the story at this point) the building. The modification made the "new" length measurement from the outside of the stem to the outside of the stern as measured at the sheer not including any "guards". Dick thought he could get fancy and slide by under the old rule. Got struck down by government bureaucracy. All this changed in the late 1980s when new changes were made and the code for power plant design/inspection to be required for boats carrying passengers for hire and/or over somewhere around 75 feet as measured at the sheer. If you need info, talk to George King III with
Sabino in the New England area. He was instrumental in getting the change (Thanks a lot George

).