ideas:flight_support
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ideas:flight_support [2011/10/25 10:36] – macywales | ideas:flight_support [2013/05/07 07:55] (current) – [Radar Reflector] rocketboy | ||
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+ | FAR101 says "the reflector will present an echo to surface radar operating in the 200 MHz to 2700 MHz frequency range" | ||
Size - commercial radiosonde radar refelctors are about 50cm tip to tip. | Size - commercial radiosonde radar refelctors are about 50cm tip to tip. | ||
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===== Pyrotechnic Cutdown Device ===== | ===== Pyrotechnic Cutdown Device ===== | ||
- | This device is used to detach the payload from the balloon (or release items attached to the payload). Its an igniter (used in amateur rocketry) inside a small hard plastic tube (sealed with epoxy at both ends) - when fired the igniter has enough explosive force to shatter the tube (and hence release the balloon) - it works a treat in all the tests I have done, including some at -30dec C and in a vacuum | + | This device is used to detach the payload from the balloon (or release items attached to the payload). Its an igniter (used in amateur rocketry) inside a small hard plastic tube (sealed with epoxy at both ends) - when fired the igniter has enough explosive force to shatter the tube (and hence release the balloon) - it works a treat in all the tests I have done, including some at -30dec C and in a vacuum chamber. |
__**WARNING: | __**WARNING: | ||
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{{ideas: | {{ideas: | ||
- | The ignitor on the right hand side of the circuit can be replaced by a small 6V bulb for testing - the bulb will light breifly | + | The ignitor on the right hand side of the circuit can be replaced by a small 6V bulb for testing - the bulb will light briefly |
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ideas/flight_support.1319538968.txt.gz · Last modified: 2011/10/25 10:36 by macywales