I just finished reading Jeremy Rifkin's new book "The third industrial revolution , how lateral power is transforming energy the economy, and the...
This is my latest iteration of a concept for an affordable land and sea yacht for off grid living .It requires an electric SUV .If you are short...
Concept for an off grid beach house hobby farm and house boat,for the impecunious sailor, fisherman , gentleman farmer, road gypsy, and world...
Interesting Google talk posted on proafile. http://www.youtube.com/watch?v=o6XwTs2Qfeg I hope the link works.
I just came across this new electric car, the UR BEE. made from 3D printed parts and I thought there must be at least a few applications for the...
This is my latest and last attempt at an affordable, easy to trailer without permit, solar electric sail hybrid, that doubles as an RV and can...
These pictures are of a model I am building of an out rigger canoe based roughly on the modern racing Hawaiian sailing canoe. I propose to use...
I was sitting on the beech at my windsurfing club here in Thailand waiting for the wind and started to fantasise about building a boat that my...
I am trying to determine how I should construct a rotating freestanding wing mast. I want to make the mast as light as possible and still...
I just bought a brand new Kubota deisel on ebay for $650.00. I already have an extra Balmar 210 amp alternator that according to specs operates at...
My 15 year old wrap around sails on my Freedom 40 sails are held together with more sail tape than original cloth and badly need replacing. In the...
My rough calculations suggest that an non structural eliptical fairing 55' by 10" by 20" tapering to 10" by 5" with a constant thickness of...
Would it be possible or practical for the home builder to make two simple bushings from uhmwpe ,one inset in the top and slightly proud of a...
What happened to the glass bottomed bucket,the cheapest most effective multi purpose devise a cruising boat can have. It can be a head, a sink, a...
I don't know if this is the right forum to ask this question but I will give it a try.I wish to install an additional 200 amp balmar alternator on...
I am exploring various rigs with sails offset from the mast.When a mast is off set from the sail what affect,if any, does it have on the sail and...
I have a cat ketch which I am going to convert to a cat yawl. I was inspired to attempt the conversion by the Nigel Irens' design of the standing...
I just read the thread on Procyon and got to thinking about movable ballast and as I have recently been contemplating making a set of legs for my...
I have been following the threads aft mast rigs and cat boat across the Atlantic and in a flight of fantasy I stole every idea I have read about...