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Apogee Rocketry Workshop #367:

How to Replace a Through-The-Wall Fin - Part 2

Advanced Construction Video

Busting a fin in half is bad enough, but if it was made from plywood and also had a through-the-wall fin tab, that is so much worse. These are very hard to repair, because the portion of the broken fin that is inside the tube has to be removed as well so that a new fin be re-attached. Most of the time, people just scrap the entire rocket as being beyond repair. But say the rocket had some sentimenal value to you, and you wanted to reuse as much of the original parts as possible. What do you do?

Previously, in Part 1 of this two-part video, we cut into the rocket and removed the damaged fin. Then we glued the fin tab to the motor tube. At this point, the external fin fillets need to be installed, which is a bit difficult because there is a significant gap between the tube and the fin. You'll see how to fix this, and at the same time make the rocket look pretty.

View this week's Rocketry Workshop Videos (Duration 10 min, 31 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!

Halloween Themed T-Shirts

Halloween T-Shirts

Do you have the rocketry spirit(s) spinning around your rockets and cause them to do funny things? Why not show the rocketry spirits off by wearing them on your official rocketry themed Halloween T-Shirts?

To get your Halloween T-Shirt, first select your shirt-size, then select the front and back logos. We'll custom make it to your preferences.

Aluminum Fasteners
are Back in Stock

Aluminum Fasteners

Need to join your long rocket together for flight, and want something made of metal? That's what these fasteners allow. But they aren't just metal, they are coated with the patent-pending Vindicoat, which allows epoxy to stick to the metal. They won't pop out of the walls of your rocket. 

We've been out of stock for a long time, and we finally have them available again. Three screw sizes: 2-56, 4-40, and 6-32. Get them while we still have them!

Halloween Rocketry-Themed Decals

Halloween Themed Decals

Are you looking for some rocketry flair this Halloween? Well, look no further than our 2022 Halloween Decal set. Styled like stickers, these decals are made from the same vinyl as the decals in our kits and are made to last. From sticking the Jack-o'-Lantern with his rocket meal on your fins to letting the Witch fly her rocket-steed along your body tube, these decals are perfect for adding a fun spin to your next rocket. Only available until November 6, so get them now!

Apogee Meatball Sticker

Apogee Logo Sticker

Fondly nicknamed "The Meatball" after the name of the NASA round logo, our round Apogee logo is one of our most prominent and easily recognizable symbols. This 3" diameter sticker is perfect for adding to your range box or slapping on your rocket for a bit of that Apogee Flair! Available in either Red or Black.

 

Make Carbon Fiber Tubes

Make Carbon-Fiber Tubes

Here is an extensive and detailed video course on how to make Ultra-Lightweight Carbon-Fiber Rocket Tubes. They're so light, they give you an unfair advantage in competition. These are the ones that my daughters, Allison and Ashley used in Romania last September at the 2021 World SpaceModeling Championships. Allison was part of the senior Silver Medal winning USA team, and Ashley took home the Bronze Medal in the Jr. Division. The girls were taught how to make their own tubes, so if they can do it, so can you.

The training course consists of 5 hours and 42 minutes of video instruction, covering everything I know about how to make a successful tube with a glass-finish using a 2-piece mold. It even includes all the secret techniques and materials, and where to buy them, including where to get the 2-part mold.  

This course is on the Udemy website, not at Apogee Components.

 

RockSim Live Training - Every Friday

 

Launch of the Week

WOOSH Launch

This launch simulation in the Launch Visualizer occurs from the flying site of Wisconsin Organization Of Space Hobbyists in New Berlin, Wisconsin. What a cool name for a rocketry club - Woosh!

For the flight, I chose the North Coast Rocketry Lance Delta rocket using an F40 motor. Check out the flight now!

Customer Comments

“I was surprised to receive my mail order so quickly. It was packaged well, and I am eager to try my new Apogee Sanding Tees on my next rocket kit. Apogee Components is a good resource not just for parts and supplies but also for advice and building tips. Their YouTube channel is a good place to look for good info. A few years ago I had the pleasure of visiting Apogee Components in Colorado Springs. Tim Van Milligan was approachable, friendly, and willing to help. It was immediately apparent that Tim cares very much about model rocketry and running a good business. Thanks Apogee!”

--  James Wilkinson

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