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Date: Sat, 08 Dec 2012 14:57:36 -0500
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Subject: Re: Deice for the IV
From: Colyn Case <colyncase@earthlink.net>
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Hi David,

You and I have discussed the tks system before.
I am still trying to finalize installation on my IV-P.  You may remember =
I had Greg Cole look at the panels.  He was very concerned that the =
leading edge radius was much tighter than the original airfoil and that =
would aggravate stall characteristics.  According to his model, the =
h-stab in particular would stall at 40% of the AOA of the bare airfoil.  =
 At one point I sent Len Fox to test your airplane but the weather =
didn't work out.  I still have panels just like yours in storage which I =
have not installed yet.

Anyway,   since then I was very very close to having specially built =
panels supplied by CAV aero-space.  However, the person I was dealing =
with left the company in October.  It now appears that CAV is not going =
to honor the agreement.  Therefore I am in re-evaluation mode.

So I have these questions for you.
- assuming a wonderful installation such as you have, have you noticed =
anything "weird" about the way it flies at low airspeed?
- how many times have you used the system and what have been the =
results?
- if you didn't have de-ice,  how much would it reduce the utility of =
the airplane?

best regards,

Colyn Case
802 888 7422


On Feb 25, 2009, at 2:43 PM, Dr. Weinsweig wrote:

i have a tks system installed by brian alley(304-395-4932) on my
propjet.  it is a sleek installation and a tried and proven system and
when done right does not seem to cost much in the way of speed.  i saw
313 ktas at fl210 this past weekend!  i have no experience with the
other systems but for a proven "get out of jail/ice card" i did and
would stick with the tks system.

david weinsweig
n750dw lancair propjet
still for sale-make offer
weinsweigd@gmail.com=20
304-633-5221


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