Shipping Closed For Holiday

Orders Placed Now Will Ship Friday, March 11 

Sorry for any inconvenience.
If you need your order shipped sooner, see alternatives in  Where To Buy


Jolly Logic Products


How high did it fly? For any type of flying.


Just for rockets: altitude, speed, acceleration and timing statistics on one tiny screen.


AltimeterThree can download altitude graphs and spreadsheets to your Apple and Android phone or tablet. Awesome for research!

Chute Release

Chute Release for model rocketry.

Parts & Accessories