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<< Lancair Builders' Mail List >>
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I talked to Dick Olson again. He is the guy developing the
deice system for the IV wing. They plan to test it in March
and make it available shortly thereafter. The boots are
going to be 30/1000 thick, and the length is yet to be
determined. They anticipate three sections of boots for the
wing and probably two for the horizontal stab. The reason
is so a bird strike doesn't require total replacement. I
did not ask about the vertical stabilizer. Not sure what
they plan there. The weight with the better capacitors is
going to be about 27 pounds, so I am sold.
Ice seems to be a problem here, and I fly a lot in the
winter. If we didn't fly with every forecast of ice, we
might as well hang it up for 6 months. In my non-deiced
310, I never flew in known ice, but sometimes you fly over
or about areas that just weren't forecast yet the worry was
there. In fact, about ten days ago, a non-deiced 310, not
mine, started an approach to my airport. Tops at 4500,
clear above, ceiling 500 and 2, with plus 2C at 5000 and -4C
at the surface. Liquid drops were seen entering the clouds,
with rapid change to swooshing noise followed by chunks
flying off the prop. Airport elevation 920. Picked up over
2 inches in the less than five minutes, and rearranged the
airport light system. New dimension for Pilot controlled
lighting. My friend in his known ice Baron barely kept up
with it 10 minutes later. None of this was forecast. Hence
the ice scenario plays out a lot here.
The question I have for this community is the issue of wing
tips. I have installed landing lights in the leading edge
of the wing just outboard of the tank; at the time that
space seemed ideal for the low profile Whelen lights. Now
without the deice system, I assume the boots will span the
entire length of the leading edge. So I guess I have to
move the lights. I am wondering rather than tossing the
wing tips and putting winglets, which this forum said really
don't make that much difference, can I simply lengthen the
current wing tips enough to fit the lights (about four
inches) without consequence? Do any of you have any
objections to this approach? It would increase the wing by
about two square feet, and the winglets do a lot more than
that.
Does anyone have ideas how to best accomplish that?
Thanks.
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LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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