Sled Layout - BOTC84 Electronics Bay

Model Rocketry Electronics

Back in my childhood, there were no electronics for model rocketry.  Integrated circuits and semiconductors were just starting to be produced commercially.  Although Estes did have a manual camera rocket, I never purchased one.  Today, it is a different story.  Model rockets are flying altimeters, flight computers, GPS radios, high-definition video cameras, and even remote-control gliders.  So, let’s take a look at some model rocketry electronics that I have used.

Electronics Sled - Model Rocketry Electronics
Electronics Sled
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BOTC84 Electronics Bay

Sled Layout - BOTC84 Electronics BayThe BOTC84 Electronics Bay is a standard bay constructed of Blue Tube coupler that fits inside of the main body tube.  The rest of the structure is aircraft grade plywood of various thicknesses.  The Tripoli Level 3 certification rules stipulate redundant deployment electronics.  I will be using a Altus Metrum TeleMega 3.0 for the primary and a PerfectFlite StratologgerCF as the backup.

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Avionics Bay Sled

Image of rocket Avionics sled
Avionics Sled

This is a electronics sled for an avionics bay in one of my rockets.  It will be placed inside a Binder Design Excel 4-inch rocket for my Level 2 Tripoli certification.

I used 1/8-inch basswood to make the sled.  I cut it to fit inside the bay with a hobby knife.

The dual deploy altimeter is a PerfectFlite StratologgerCF.  I purchased this board from Chris’ Rocket Supplies.

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