Ok, so with the best estimate of forces according to the link (rode forces/3) are as follows: 10kt - 103N 15kt - 233N 20kt - 413N 25kt -...
PhilSweet and gonzo - Thanks for the info. Would you say you need full throttle into a 30kt headwind? Or would you tack into the wind? Running...
Here's the graph showing the efficiency of the solidnav on an ericson 27, for anyone who is interested. Quality is not so hot because the only...
I think with a car you would want to factor in the speed of the wind too. It's just not as important since the windspeed is usually small compared...
Ok, forgot to divide values from the calculator page by 2. Now I get: 10kt headwind - 829w / 1.1hp 15kt headwind - 2811w / 3.74hp 20kt...
Just like the title says. This is for an ericson 27. I estimated the force due to various headwinds here:...