Didja ever look at the nose of the x-15? The "ball" was a bit of magic!




"RST Engineering - JIm" wrote in message ...
Those might get me airspeed but I'm not at all sure how you would get theta
from any one of these schemes.

Jim


Use variable capacitance, variable reluctance, resistor strip or
synchro connected to a vane. For a real giggle do as some Air Force
systems and employ a slotted, rotating cone for a probe. It involves a
feedback loop.

Dan, U.S. Air Force, retired