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Old November 27th 07, 05:10 PM posted to rec.aviation.soaring
Bob Kuykendall
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Posts: 1,345
Default Variometer installation

On Nov 27, 8:09 am, wrote:
...I've read, over and over, that fuselage mounted probes
(particularly those mounted aft of the wing ... really stink
compared to those on the tail...


I think this is one of those "sure, it works in practice, but does it
work in theory?" topics.

As I've cited earlier in this thread, both Nicks and Johnson agree
that fuselage-mounted probe can be perfectly adequate. My experience
building, installing, and using the Sebald/Nicks antenna/TE probe for
a dozen years correlates what they've written on the topic.

I'm not particularly opposed to tail TEs, and I agree that they can be
more accurate. We plumbed our last three fuselages for them. But
unless a) (preferred) you're working on your fuselage on the half-
shell, b) the ID of your aft fuselage substantially exceeds the OD of
your body, or c) your ferret is trained on AC43.13 plumbing strain
relief, the slight accuracy advantage of the tail TE is likely not
worth the trouble of installing the necessary plumbing.

Thanks, Bob K.