Electronics

This 3D printed altimeter sled is a secure way to mount a Perfect Flite Pnut altimeter in a 24mm tube.  The 23mm round edges slide in and out of a 24mm tube easily, and the recessed alcove for the Pnut altimeter cradles the altimeter out of harm's...

The first step in keeping an electronic altimeter safe and working well is to fly it in a payload bay, away from volatile ejection gasses.  But also vital is preventing the altimeter from rattling around inside a payload tube. This 1/8 inch plywood...

Jolly Logic Altimeters are designed to be modular and user-servicable. So if your case is damaged, you can easily replace the case of any altimeter made after 2013.  You can review Jolly Logic's Visual Repair Guide to see what's involved.