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Danger
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#2
Oct11-08, 04:15 PM
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I would think that a 'dead man switch' would be appropriate. Can you just dedicate one channel to a continuous broadcast that orders a relay to remain open? When the signal is lost, the relay should energize and trigger your 'chute system.

edit: I guess that I mean 'de-energize'. I was thinking of the secondary rather than primary circuit.

edit #2: I just noticed that you also have this posted in 'Mechanical Engineering', and Topher gave you a great response.