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Apogee Rocketry Workshop #339:

How to Align Fins on Two Stage Rockets

Advanced Construction Video

If you're putting multiple fin sets on your rocket such as you'd have in a two-stage rocket, making sure that they align with each other can be tricky for newbies. The rocket will probably fly fine if the fins are relatively straight, but getting the precise alignment is a mark of a true craftsman. Other people will notice when the fins don't line up, and if you consider yourself to be a expert rocketeer, this can be embarrassing. 

In this video, I'll show you two different ways to get perfect alignment of your fins. I'm sure that when your friends see your rockets, they will probably ask you how you did it.

View this week's Rocketry Workshop Videos (Duration 4 min, 51 sec)

Previous videos are found on our archive page.

 

 

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Newest Products From Apogee Components

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

Conformal Rail Guide
BT-70 to BT-80

BT-70 to BT-80 Conformal Rail Guide

Just in time for the new TARC competition. This special rail guide is specifically engineered to fit onto a BT-70 (56mm diameter) body tube so that the rail passes over a BT-80 (66mm diameter) tube. It is perfect for when the front part of the rocket is larger in diameter than the rear. And for extra strength, the mating surface conforms perfectly to the tube. Just a dab of glue will do to hold them on to the rocket.

Long March CZ-1

Long March CZ-1 rocket kit.

The Long March CZ-1 rocket is a 1/34 scale rendition from Aggressor Aerospace of China's first orbital rocket. This is a very challenging, yet rewarding rocket that can be used whenever you really want to impress others at the flying field. Flies on a cluster of four 18mm diameter high-thrust rocket motors. Limited supply, so order quickly.

Attractive Rocket Posters

X-15 Rocket posters

You've seen these new posters as the background of our how-to-videos, and larger versions hanging on our walls when you've visited our shop in Colorado Springs. Now you can own a piece of history and capture the excitement of model rocketry. Each high quality poster is printed at 18 inches wide by 27 inches tall and is perfect for framing. Hang them in your build room, or have them adorn your office. They are great conversation starters to get other people interested in rocketry. Choose from these new posters: The X-15, Flying Machine, or the Zephyr.

 

RockSim Live Training - Every Friday

 

Customer Comments

“Back in the late 60's to mid-70's I built and flew model rockets, then life got in the way. I vowed that someday I would start flying again. I was looking seriously at several rocket suppliers for the past year, but kept coming back to Apogee's marvelous website and videos. I retired this past June, and finally took the plunge and ordered a mid-power rocket and accessories from Apogee in July 2021, and I am a happy camper. Tim has been great with follow-up e-mails, and I'm about to order more stuff. Thank you Tim for running such an exemplary company, and continuing to produce such wonderful instructional videos. Also, thanks for shipping my order so quickly. You have gained a life-long customer! ”

-- Bruce Pikaard (Palm Coast, Florida)

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We're looking for someone to write a definitive guide to selecting igniters, controllers and batteries for rockets. We'd love to have a newsletter article on that topic, because we get lots of inquiries about it. Is that you? Do you know how many e-matches can be set off in a cluster by a 3.7v 400 mAh battery? See our Newsletter Guidelines on how to submit an article on this topic and get paid up to $350 for your time. 

 

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