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guides:things_not_to_do [2012/08/15 08:39] – gonzoguides:things_not_to_do [2013/07/22 09:16] (current) – daveake
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   * Forget to clear the camera memory card (thus the camera stops recording part-way through the flight)   * Forget to clear the camera memory card (thus the camera stops recording part-way through the flight)
 +  * Forget to clear the camera lens. Sometime we touch it preparing the launch
   * Accidentally stop the camera or camcorder from recording before you close up the payload box   * Accidentally stop the camera or camcorder from recording before you close up the payload box
   * Measure the neck lift wrongly.  In windy conditions it's easy to think you have more lift than you do.  Only measure when the wind is gentle, or do it indoors, otherwise you may find your flight ascends too slowly and thus travels too far, thus possibly ending up in the North Sea (cough).   * Measure the neck lift wrongly.  In windy conditions it's easy to think you have more lift than you do.  Only measure when the wind is gentle, or do it indoors, otherwise you may find your flight ascends too slowly and thus travels too far, thus possibly ending up in the North Sea (cough).
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   * Assume that yesterdays predicted path will be OK for today, so it takes a path it really shouldn't. Winds change, so check right up to the launch time.   * Assume that yesterdays predicted path will be OK for today, so it takes a path it really shouldn't. Winds change, so check right up to the launch time.
   * Overfill your foil balloons, so they burst almost immediately.   * Overfill your foil balloons, so they burst almost immediately.
 +  * Use really thin nylon cord.  Remember that the nylon breaking strain needs to be sufficient for the neck lift plus the wind.  0.7mm line (10kg breaking strain) and 4kg neck lift can break on a windy day.
  
 All the above easily avoidable by remembering this one, big mistake: All the above easily avoidable by remembering this one, big mistake:
guides/things_not_to_do.1345019950.txt.gz · Last modified: 2012/08/15 08:39 by gonzo
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