2.1" rocket avionics bay

This is a avionics bay designed to fit in a PML 2.1" coupler for high power rockets.The sled is designed to hold a single stratologger CF altimeter, 9v battery, microswitch and all connectors and wiring. Space is tight however cable tie attachment points are provided for.

The avionics bay is constructed using 2 4mm threaded rods spaced 38mm apart, 2 6mm threaded eye bolts and a selection of matching washers, nuts and cable ties.

Holes for mounting the altimeter have not been so other simil