On 14 Mar 2005 21:23:47 -0800, "vlado" wrote:

Is there a rule of thumb for 'speed of heat'?

I don't have a CR-2 with me, but it seems like the ram rise at M.82 is
about 7 deg C.

Icing conditions don't occur at flight levels for cruise anyway, so a
jet aircraft will only ice during climb, decent, or holding. If the
old gray matter serves me, I think Rockwell proved the aircraft could
fly acceptably with any ice load it was expected to encounter. The
type certificate for the military versions show them as VFR only when
operating in the civil system. I doubt seriously it could pass the
testing now required for certification. I seem to remember some de-ice
mods to later versions, but I'm not sure. They did de-ice the engines
and the windscreens are heated. Most of these aircraft are in the
scrap yard by now I would imagine.

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