"Brian Whatcott" wrote in message
news

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 ! ! ! ;-)
--
Jim in NC