Morgans wrote:
"Brian Whatcott" wrote in message
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There is one central location that is not subject to prop blast,
exactly: - that's the nose cone of the prop.
Visualize a small hole set about an inch back from the front.
Use a local pressure sensor chip and a wireless transmitter.

The flow from off axis would module the air pressure slightly
one cycle per revolution, with amplitude in proportion to
AofA (maybe :-)


Yeah, that sounds eaaaaasssy, and cheeeep, too!

NoT ! ! ! ;-)

I'm the one who likes the mouth organ reed, tube and wing slot approach
- but Experimental class is dedicated to folks who don't take the cheap,
easy approach!

Brian W