the standard definition of lift is perpendicular to the direction of the approaching flow, not the chord of the foil. Drag in the direction of the...
I was assuming when you said "downeast looking" the boat has a round bottom. The plate 42 design looks very Chesapeake Bay to me, not Maine coast....
The USCG rules do apply to boats built by amateurs from purchased "complete" kits which is why CLC and other kit makers now include capacity...
USCG small craft rules are separate from the ISO rules which the EU uses, though there are similarites in certain aspects. USCG small craft rules...
ABYC H-29 was first published by ABYC in 1978. They may have adopted it from what the USCG was using at that time. The use of the definition by...
Boatbuilding Plates 52 and 53 are Lines and Construction Planes for a 21-Foot Fisherman's Launch. LOA is 21' 9" and beam is 5' 9". Construction...
The use of the ABYC H-29 definition by the USCG is not new, and dates back to at least 2003. It is contained in the USCG "Boatbuilder's Handbook,...
That sounds like a pre-1940 boat.
Nothing resembling a 34 foot "downeast" powerboat in Chapelle's Boatbuilding. The Smithsonian has a large collection of Chapelle's plans. The...
Yamaha has purchased Torqeedo from Deutz. Yamaha Motor Acquires Electric Marine Propulsion Manufacturer Torqeedo - Bolstering competitiveness and...
I do not know of anyone who regularly build UK or European style canal boats in North America. There are custom boat builders who could build such...
The VT Ocean Engineering website and requirements for admission to their Master's program are: Graduate admissions...
A 37 foot Repco fiberglass lobster boat, around 40 years old, is being widened aft, 24 inches at the waterline and 27 inches at the rail, by Wayne...
After a gap of eight years, another SNAME Powerboat Symposium is planned for 14 October 2024 in Norfolk, Virginia. SNAME POWER BOAT SYMPOSIUM 2024...
Why would you need battens, either temporary or permanent?
Have you considered the interaction between the bulb and the supporting strut, particularly when the bulb is at and angle of attack?
The multiplier “1.34” is really a function of D/L ratio. Wow! I know Gerr tends towards the emperical but I thought he was more knowledgable than...
You use a hydrodynamic tool for hydrostatic calculations? Interesting.
When sailing to windward the boat will be heeled and making leeway. In that situation the orientation of the bulb relative to the zero heel...
C-Flex is a proprietary method of building using "planks" of fiberglass rods. C-Flex https://www.seemanncomposites.com/cflex/...