I roughly calculated that the weight of 1 in. of ice on all forward
surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to
comment on this?

Just that the change in shape of the airfoil is probably more important
than the weight.

Jose
--
"Never trust anything that can think for itself, if you can't see where
it keeps its brain." (chapter 10 of book 3 - Harry Potter).
for Email, make the obvious change in the address.