Electronic Accessories

Relacement bayonet-style bulb for older Estes Electron Beam launch controller. 6 volt, 3 Watt, 9mm base diameter.

Estes launch controllers are powered by 4 AA batteries.  We keep our battery supplies fresh from our suppliers so your batteries will be ready to go. Brand and packaging may vary.

Designed to allow flights of Jolly Logic altimeters in 24mm diameter airframes like the Rocketry Works Socrates or Toobish kits, this 3D printed ABS nose cone fits in an 24mm (BT-50) body tube and attaches to the shock cord just like a typical nose cone...

Designed to allow flights of Jolly Logic altimeters in 18mm diameter airframes like the Viking, this 3D printed ABS nose cone fits in an 18mm body tube and attaches to the shock cord just like a typical nose cone.  But this nose cone flares out to...

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...

LiPo batteries used in Jolly Logic altimeters can suffer damage from rough landings or from the ravages of time.  This replacement battery works with all Jolly Logic altimeters manufactured after 2013.  You can review Jolly Logic's Visual...

You can replace the LCD screen in any Jolly Logic altimeter manufactured after 2013 with this LCD screen. You can review Jolly Logic's Visual Repair Guide to see what's involved in the replacement.

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.

These replacement rubber bands, pins, and tethers for the Jolly Logic Chute Release replace commonly lost or broken parts.

This Velcro® strap with a bright red ARM ELECTRONICS banner helps you remember to arm your electronics before flight.

This snap mount for Jolly Logic AltimeterOne, AltimeterTwo, and AltimeterThree manufactured after 2013. It includes two screws or two bolts with nuts to secure the snap mount to a payload sled, airframe tube, or other part of a model. You can trim the...