Estes Rockets - AltiTrak Altitude Rocket Tracker Batteries Universal SPECIFICATIONS:

SPECIFICATIONS:

and is supported by a limited lifetime breakage warranty for stress-free performance you can count on

5x11mm screw pin Do not use the stock 3x3 set screw

drew in the necessary design elements

The upper hinge pin hole of the rear axle carriers cannot be used (not a stock location for these vehicles) due to strengthening designs that reduce the clearance around the rear axle

Estes Rockets - AltiTrak Altitude Rocket Tracker Batteries Universal SPECIFICATIONS:Follow the rocket in the sights to apogee, release the trigger to lock the reading. It is that easy. Use two Altitraks for greater accuracy. Great for school and science projects!