Not so easy. There's a viscosity element too. THe Re number is way higher than that! I did some calculations on a 2" chord moving much slower about a year ago that gave that kind of Re. > --- 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".
-- Lincoln Ross NOTE ADDRESS CHANGE: [EMAIL PROTECTED] 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.
