Hi JR - thanks for your reply. I do know that there is more to the term 'strength' with these materials than meets the eye. I have surveyed all...
Hi, I am having some discussions with a traditional builder who is using a solid glass hull, and marine ply glassed in on both sides for...
Here is an excerpt from a table on resins in Eric Sorenson's book on Powerboats... the entries are tensile strength(PSIx1000), ultimate...
Not required, but as you noted, a good idea on any bigger bodies of water. Modern VHF radios are also equipped with a DSC interface to allow them...
Just going by what I have read and heard here. I think the cats are the smoothest running at speed in light-medium waves/chop, because the...
Yeps... there is not that much testing info on modest sized displacement and semidisplacement boats, because unfortunately there is not a strong...
Rough water planers For steep chop and a planing hull, owners report high satisfaction with these commercially available open boats, all of which...
Mid-20 foot range cruiser with accomodations So I am sticking with a mid-20's (feet) in size, and since you say cruiser, assuming we need a good...
Hello people - I am concerned with boat manners in a following sea, and in particular, minimizing the tendancy to broach. I have a fondness for...
Sean - you didn't address me, but I am guessing that your comments were directed at me. No offense was meant. In my line of work, which I don't...
Submerged craft have lower resistance??? I am not a marine architect - am a chemist by training. I would have guessed that it's easier to move a...
Another idea - one way to get some relatively easy/quick real world experimental feedback on a prototype would be to buy a used tandem sea kayak...
Thinking more on this - from your first post, the rotational motion is much more efficient than the stair stepper motion, by the way - not even...
As others have noted, a squared-off transition gives more roll stability, easier planing. A rounded transition gives smoother ride, more...
Assuming you're going to use a bicycle-pedal like interface to the "motor", bicycles are normally operated between 60-130 crank RPMs. For...
That's your first cut? Very impressive! :) How did you model the shape and get such smooth, accurate cross sections? An aesthetic comment -...
Hmmm Hmmm - interesting to say the least - that is different alright. Very impressive - what he's been able to achieve at a technical level,...
The Aussies by the way, take even the little Quinnies into some big water ;-). I think the little 140 Estuary Angler, with 30-40HP to motivate...
This might do it Quintrex 140 Wide Body Dory - 14 ' long, nice sharp vee at bow to cut waves, carried aft to transom to track well and handle...
