gonzo

You can still use a single bar. It will need to have some curves to get around the outboards though.

What is the reason not to have a straight bar between the tillers? If you connect them with a single bar, the dyneema lines can be...

Do not worry about the surface area of the wings—the theoretical area of the trapezoidal wings and their total wingspan are specified in...

Hi Gonzo, Here are the exact figures for Model No. 1 to answer your question: Battery Weight: 320 kg (85 kWh Li-Ion / LiFePO4, located...

It will only contract and expand significantly with moisture. Temperature will not affect it much. If the wood is encapsulated, thin...

Plus the other legacy measurements for fasteners. For example, nails in pennies, and screws in gauge.

The USA made the metric system legal to use in 1866. It is taking some time to catch on. I use both without problem, but metric is...

Is the motor from the 1930s? They made heavy motors then by today's standards.

That is common to cut the planks for both side equal. On a lapstrake, a small difference can be corrected on the overlap of the planks...

With the weight of batteries, what is left for cargo and what is the range/speed?

Which society are you designing to?

You may be right. The reason I started this thread is to see if anyone has a simple way to empirically prove this or suggest another...

Those guys are pedaling on pedestals. A recumbent setup could put the operator below the waterline. Also, a hull with more initial...

Pedaling does not necessarily have an excessive COG. Definitely not higher than rowing a shell which can be done without any...

Yes, computer controls have made it possible to fly unstable designs. The VTOs were riddles with problems. Now, you can buy a $150...