I glue my shock cords in the tri-fold mounts at an angle. For the explanation: CLICK HERE I don't use tri-fold mounts often but the...

The Estes Altimeter instructions are vague about how big the pressure sampling holes should be. They show small square holes, very hard to ...

I finally bought an altimeter! All my posted altitudes were guesses based on Open Rocket and Semroc predictions. I'm a little war...

Again - the Rotary Punch! The holes will be somewhat hidden in the rectangular decals on the payload section. While Estes recommends the...

Before punching holes in a body tube for the altimeter, I checked the instructions for three altimeters - The Estes Altimeter and the older ...