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Composite Meterials And De-Ice

Tue Jul 22, 2003 3:31 am

How do composite meterials in commercial/ corporate aircraft affect the type of de-ice used. Can bleed air from engines still be used effectively and safely with composites?  Confused
"...cannot the kingdom of salvation take me home."
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Joined: Thu Aug 02, 2001 10:39 am

RE: Composite Materials And De-Ice

Tue Jul 22, 2003 5:39 am

I am not a materials expert at all, but maybe this will help:

On the Dash 8 I fly, we have heated elevator horns. The horns are a part of the leading edge of the elevator which protrudes into the airstream. Because of this, they are very susceptible to icing. You can see the horns clearly in the below photo on the outboard side of the horizontal stabilizer:

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Photo © Mark Kisiolek

The black part of the horn is not a boot, but an electrically heated segment. It is not metal, but fiberglass (I believe... could be wrong). I would imagine that those composite parts of modern jets that need to be protected with anti-icing systems are protected in the same manner, with electric heating elements.

Hope this helps.

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