Avionics Bay Kits

Now available in two versions to fit 3.0" and 4.0" Binder Design airframe!
4.0" bay is 14" long, 3.0" bay is 12" long for mounting of altimeters, timers, or transmitters.
Stepped Aircraft Plywood endcaps minimize the chance of ejection gas leakage into the bay.
Now comes with improved screw type arming switch pictured below. 4" length of airframe provides the perfect place to mount the altimeter arming switch.
Comes complete with hardware and detailed instructions.
Includes arming decal for the switch position.
Note: These bay kits fit Binder Design or BSD tubing only. They can be retrofit to other manufacturers tubing, but not without some work on your part. If you decide to try this, it is at your own risk.

Binder Design makes it easy to add dual deployment capability with this kit. Includes our 3.9" Avionics Bay, 18' of recovery harness, and a 12" drogue parachute. Adds 4" to total length of rocket. Altimeter not included. $49.99

Binder Design makes it easy to add dual deployment capability to shorter rockets like the Excel and Bat with this kit. Includes our 4.0" Avionics Bay, 18' of recovery harness, a 12" drogue parachute, as well as a 17" section of 4" airframe. Adds 21" to total length of rocket. Altimeter not included. $54.99

Binder Design makes it easy to add dual deployment capability with this kit. Includes our 3.0" Avionics Bay, 18' of recovery harness, and a 12" drogue parachute. Adds 4" to total length of rocket. Altimeter not included. $39.99

Binder Design makes it easy to add dual deployment capability to shorter rockets like the Excel and Bat with this kit. Includes our 3.0" Avionics Bay, 18' of recovery harness, a 12" drogue parachute, as well as a 12" section of 3" airframe. Adds 16" to total length of rocket. Altimeter not included. $44.99

A robust screw activated switch, featuring fully soldered connections, stranded wire, strain relief and ferrule ends. Includes vinyl arming decal.

Click here to view Arming Switch Instructions.

A robust screw activated switch, featuring fully soldered connections, stranded wire, strain relief and a pre-wired locking connector. Includes vinyl arming decal.

Click here to view Arming Switch Instructions.