[NSRCA-discussion] No telemetry rule & new radio systems

[Archie Stafford]

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Keep in mind on most of the telemetry I have read about and seen the
battery warning given is the measured voltage coming into the
receiver.  Running a regulated system this will not give a true
battery status. 

	I do agree with John though, that listing what is acceptable is
probably much easier than what is not. 

	Arch
 On Tue 11/22/11 8:37 AM , Bob Richards bob at toprudder.com sent:
  These are the best thoughts on this subject that I have read. 
 --- On TUE, 11/22/11, JOHN GAYER __wrote:
  I think you would be better off listing the information that a
pilot and his caller can receive through telemetry during an official
flight. This information could be audible alarms for exceeding limits
of the three parameters you listed. This is effectively the same as
the low battery alarm currently in your transmitter. This one just
happens to have an RF link added between the sensor and the alarm. 
 We should not be concerned about what telemetry is being downloaded
and recorded but only what telemetry data the pilot/caller is
receiving in realtime during an official competition flight.  It
doesn't make a lot of sense to enact rules that cannot easily be
enforced. It should  be permissible for the pilot to set up a download
of any info he wants but would only be allowed to examine the
telemetry data postflight as an instructional aid. That data would
have no standing in the competition and could not be used for any kind
of protest.
 Of course there should be a ban on any closed loop control systems
that use the attitude, velocities or accelerations of the model as
feedback, either directly in the model or through the transmitter.
This should not preclude the use of closed loop systems such as those
that control surface position, system voltage or motor/engine rpm
which do not use aircraft parameters as feedback.
 John
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