Differences

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--- guides:how_to_lose_your_flight [2016/01/26 19:12] – [Launch Fails] daveake
+++ guides:how_to_lose_your_flight [2016/05/10 07:10] (current) – daveake
@@ Line 31: / Line 31: @@
   * Choose a good colour for the payload box.  For example, duct-tape grey in winter, or bright yellow if you're hoping to land in a rapeseed field in the summer.
   * Use an RP-SMA plug on the aerial, and an SMA socket on the tracker.  This is advanced failure mode, and everything will look OK before launch, but you will notice (with delight) that your tracker's signal disappears within seconds of the launch.
-  * Use cheap batteries rather than Lithium Energizers.
+  * Use cheap batteries rather than Lithium Energizers.  This includes Duracells Alkaline or anything else that is not a Lithium primary cell.  2 recent flights used this option, on the same day, with 1 successfully lost and the other only found because it had a backup radio tracker using Energizer Lithiums.
   * Don't build the tracker on a PCB or Veroboard, as these are solid and reliable.  Instead, use a breadboard, and pretend your taking things seriously by using cardboard and/or duct tape to stop the components from falling out.