Quote:
Originally Posted by Nebe
Don't forget that raising the surface area also increases the lift or drag so to speak and the needle will have a faster climb rate. (Assuming it's tail weighted and comes in with its nose higher than the tail.
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This is correct.
For my last run of large needles I used D = Cd * A * .5 * r * V^2 as a baseline but if you do that don't forget to adjust density (r) for the anticipated water salinity.
Or you could just follow Ed's lead, toss in the water and see what happens
