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Apogee Rocketry Workshop #411

How to Balance a Two-Stage Rocket 

Advanced Construction Video

How do you balance a two (or three) stage model rocket? This is a trick question, as it is exactly the same as balancing a single stage rocket. The process is no different. As you'll see in this video, you'll find the CG and the CP of the rocket, and make sure the CG is in front of the CP. As long as that occurs, the rocket is "balanced." If the CG is behind the CP, you'll have to add nose weight to the rocket to make sure to move the CG forward.

View this week's Rocketry Workshop Videos here. Tiime: 6:28 min:sec

Previous videos are found on our archive page.

 

24mm Fin Alignment Guide

Balsa Plywood

 

Newest Products From Apogee Components

Check out the latest products to hit Apogee's shelves!

Balsa Plywood

Balsa plywood sheets

Introducing our exclusive and revolutionary Balsa Plywood sheets, designed specifically for model rockets. Unlike traditional plywood that employs high density birch veneer layers, our plywood features 100% lightweight balsa wood veneer layers. It gives it a number of advantages such as: large sheet size, exceptional lightweight parts, sturdy and strong in all directions, easy to work with, and high versatility. Use it to make large fins, lightweight and strong bulkheads and centering rings. Available in 1/8" thick sheets. Make better rockets today!


RB-02 Locator Beeper

RD-02 Sonic Locator

Are you tired of searching for your model rockets after launch? Do you struggle to find where they've landed? Look no further than the Rocket Beeper 2 (RB-02) from Lucid Technologies. It is the latest innovation in model rocketry for finding rockets that land in tall grass or brush. 

The RB-02 is a compact, lightweight acoustic locator designed specifically for use with model rockets. This device emits a loud, piercing beeping sound that can be heard from a distance, guiding you to the location where your rocket has landed. The beeper has a built-in oscillator that produces a series of beeps;  a half a second on, then a half a second off. This cycling sequence is easier for the human ear to locate than a constant shrill tone. 

It fits into a BT-55 size tube, and is actually lighter weight that smaller beepers. If you're tired of losing rockets, get one today!


 

Check out the last RockSim Live training sessionDid you see last week's RockSim Live? We talked about how to make square tube fins on a rocket. We even swept the leading edge. You can watch the replay it if you're interested in discovering how many cool things you can do with RockSim.

RockSim Live Training - Every Friday

 

Launch of the Week!Launch of the Week

In our last RockSim Live Training session, someone asked if we could make a rocket with square tube-fins. So we went through the process and came up with his week's Launch of the Week is a 3D simulation. We flew it from a randomly selected field near Tampa, Florida, and it flew very nice. What do you think?

 

Customer Testimonials:Customer Comments

“As a Physical Science teacher, I have always looked for ways to introduce my students to a world they have never seen. Growing up, rockets were a huge part of discovery. While Estes has always been my go to resource, Apogee rockets was discovered by a google search - and wow what a discovery. The resources I have found has made it possible to not only build rockets, but now we are launching a rocket club. I have students interested in certification as well. Your resources, customer service, and newsletters are fueling my students. Thank you - Dr. G.”

-- Gary Martinez

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