That is the size we are using. However, for our purpose they are remote controlled. PM me for more information. I may be able to help you with...
Plywood is cheaper and faster. There is a trend nowadays to fiberglass over everything. In the past plywood boats were shown to last several...
SL40 | Unmanned Surface Vehicle丨OceanAlpha...
The dipping lug you show has a keel mounted mast with no forestay. A deck mounted mast without a forestay will fall down. The first modification...
I am not sure what you call "flexural rigidity". Stiffness is a property of materials and it is included in the data sheet. To calculate how...
What is the purpose and size? We use small ones for surveys.
Are you building a hull before having a rig, etc. designed?
You are choosing a material before having a design. That is a recipe for disaster. The Statement of Requirements (SOR) is always the first...
These are some products: https://www.tgoldkamp.com/3mtm-lightweight-bonding-putty-16015-white-5-gallon-drum-pail.html...
How stiff does the joint need to be?
$5o gets you this: 1/4" Thick Clear Tempered Glass for Commercial Doors...
The styrene in gelcoat will soften the bondo. It is better to thicken the gelcoat and use it as a filler. I am not quite understanding the...
You can read the NTSB report on that failure. I had nothing to do with harmonics. There were undersized gussets and there was excess...
My first thought is metal fatigue. A welded part would be fine if done properly.
These boats are not high performance, so the rigs are not too stressed. If you look at a production boat of similar dimensions, the change will...