--- Jason Werner <[EMAIL PROTECTED]> wrote: > how much > of a difference in does it make when desiging a foil > to be used in water vs > air? I know it is probably signifigant, but I never > see a coeff inputed for > "density"...
Reynolds number is proportional to density and, for a 6" chord in water I calculate your Re at 10 mph to be 67,880. This is definately "our kind of Re". >Could also usesome thoughts on > daggerboard and rudder foil/plnform selection as > well! Surf boards have a wing (skeg) about the size and Re's you're looking at, but why the fancy shape? I understand that the reason for it is to manage the stall. Disclaimer: I know nothing about anything. HTH, Jeb. ===== Jeb Bushell Newtown Square, PA http://www.geocities.com/jebbushell/COOKBOOK.htm http://www.geocities.com/jebbushell/vfss_soaring.htm __________________________________________________ Do you Yahoo!? Yahoo! Web Hosting - Let the expert host your site http://webhosting.yahoo.com RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off.
