'(OT) Air pressure sensor for HG vario (+ others)'
(From the original poster)
> 2. For free-fall parachuting - you just passed 3,000' (2,000', whatever)
> going too fast - BEEP! pull now!
Too fast in the sense of 120MPH, rather than under a nice billowing
These are used in addition to an 'analogue' alti, and common sense
(blimey, the big green thing below me is getting awfully big). Skydivers
often use a barometrically operated device which senses rate of change
of altitude, and triggers a small explosive charge, if necessary, to
the reserve at a given height. Many saves have been credited to these
devices, (called 'Cypress') where skydivers become forgetful, or are
unconscious. I wouldn't jump without one.
> 3. I have a friend into model rockets - how high do they get?
I was thinking that, assuming we could find the 'remains' of the rocket,
I could plug a cable in, press a button, and the onboard pic could send
it's recorded info to an LCD. Real-time telemetry would seem like
Please keep the ideas coming!
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