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In the 1960's Carl Mosely designed and patented a longitudinally stepped hull to compete with the Bertrams offshore and it was successful. I have been working on a small version and have modeled it although it is not like Mosely's in that I intend it for low planing speed and efficiency rather...

Very unusual story in Town Dock today about a long distance purchase of a sailboat. Fiddler's Green was owned by close friends and sailed mostly along the east coast, NC and Chesapeake waters. The boat was bought sight unseen and outfitted locally for the long journey home. They are...

Latest issue of PROBOAT has an article about the race Around Vancouver Island won by a multihull powerboat in a proa configuration. The port hull is of much narrower beam than the starboard one where the engine is located. Does anyone here have experience with how the hydrodynamics of this...

There is a lot less Resorcinol glue being used these days and it is not even available from the usual sources under that name but rather called Cascophene. I have a serious caution to offer about Resorcinol glue. I have had two propellers for experimental aircraft built in my shop in the last...

Many have had problems with ethanol and fiberglass fuel tanks, including me. I replaced mine before any real degradation took place. My question relates to composite material fuel tanks buried at filing stations. Many leaking metal tanks have been replaced with fiberglass tanks over the...

Having recently suffered three instances of problems with ethanol enhanced gasoline, I am searching for ways to avoid that crap in the future. These problems required both time and considerable money to correct. I find that Exxon has some stations that advertise ethanol free gas and some...

For those who were around in the beginning of the Option One project and anyone else who cares to look. Here is an enlarged version of the original Bluejacket 24 that I designed for those wanting more room for longer cruises with extra berths for kids or guests. The photo is of one built...

For Total Wally - Planing theory Wally, I missed all of your posts and only just read your private message. Sorry, but I have had some stuff to deal with and have been under the radar for a bit. Here is your most pertinent post on Mysteries of hull dynamics. My comments are the result...

Yesterday, the North Carolina legislature overrode the governor's veto of a bill to allow towing boats up to 10' wide on NC roads. There are some restrictions but now both manufacturers and others will be able to tow the big and wide boats without special permits. Some predict a rash of...

That title sounds superfluous but noneof the spec lists ofor depth sounders address this. They tout power and deep water capabilities but don't cover what is most important. I much prefer the fishfinder for its display and cheaper cost over the usual digital numeric display only. Much easier...

I have had such a struggle learning to build a website that I had to tell you guys about it. Hope no one is offended. Doing the site was, for the most part, harder than designing or building the stuff that is on it. One thing is for certain, it was nowhere near the enjoyment of building...