Annie Hill wrote:
David Tyler wrote:
But, but, but...
I made the drawing back in January last year. It lacks dimensions, that's all.
I dare say you did, chuck. But I can't find that drawing anywhere in my files! Dimensions wouldn't go amiss ;-) if you could manage them.
These might save a bit of time with the rudder leading edge:
http://www.windknife.com/full-foil
Cheap enough for what they are but I have not used them myself.
Even the "nose only" section may not be big enough enough though.
Not sure I am terribly impressed with their asym section, and its hard to see that nose scaling to an 800 mm chord.
Then again David's asym foils would be dead easy to construct and those box sections look pretty strong to me.