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Ralf, sounds like you are referring to exhaust
tunnel extensions.
you can get these through Mike Custard at 541 330
5817
I think Dan Begley actually owns the molds but I
don't have his contact information.
When I got mine (2005?) Dan was charging $1000 for
the pair.
I will say that they make a dramatic improvement in
cooling, possibly at the expense of additional cooling drag. It might
be less drag to make something like them but taper so that the exit
airflow is approaching slipstream speed by the time it merges with the
slipstream.
Colyn
One more question: I saw some kind
of side skirts on the demonstration airplane (see picture attached). They were
right where the exhaust pipes come out. They make a nicer visual transition
between the cowling and the fuselage. Lancair told me they don’t sell them but
they are made by RDD or Mike Custard. Does anyone have a contact address and a
price on these pieces?
And as always: Thanks for your
help
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