Randall Clague wrote:
If you don't know about it already, I recommend checking out the TKS deicing system for small aircraft. If consists of a titanium leading edge for the wings with many laser drilled holes. Glycol is pumped through the holes to provide deicing. The size and spacing of the holes is between the two values you mention in your message. My main point is that this sort of thing is currently in production.Gary Hudson looked at this for Roton, and concluded that it isn't nearly as bad as the learned literature suggests. You don't need millions of 100 micron holes 15 mm apart all over the hull - which would be completely unmanageable and would clog anyway - if you're willing to carry some extra water to fill in the gaps. He was talking more like 1 or 2 mm holes, inches apart. Quite manageable if you treat the aeroshell as a jacket.
-Dave
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