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Apogee Rocketry Workshop #246:

Selecting Igniters for Composite Motors

Advanced Construction Video PreviewWe get a lot of questions from customers on how to pick an igniter for a composite motor. Note that an igniter does come with a motor, but occasionally fails to start the motor at the launch. So what we're talking about here is a "replacement igniter." The easy answer is to use the same igniter that came with the motor. But some motors, like those from Cesaroni, come with igniters that can't be purchased separately. What do you do then? Well... you watch this video and I'll explain what exactly you should do.

The unfortunate thing is this: you probably won't like the answer, but it is the right answer. It reminds me of the experience I had at the dentist's office. He told me he had to break out the drill... I didn't like that answer at all. Hated it! But it was the 'right' answer, and I accepted his expertise. Hopefully my expertise will make your rocket flight a lot less painful than a trip to the dentist's office! 

View this week's Rocketry Workshop Video (Duration: 4:20)

Previous videos are found on our archive page.

Get a 29mm display stand when you order $35 or more in Apogee merchandise.

Newest Products From Apogee Components

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

Vacuum Form Transition

Vacuum Form Transition Sections for competition rockets

This small transition was designed for competition rockets like the Apogee Spek and the Apogee Midge. It joins an 18mm diameter (BT-20 size) tube to a 13mm diameter (BT-5 size) tube. Made from lightweight hi-impact polystyrene plastic, it has a smooth surface that reduces drag and is easy to paint.

New 30 and 36 Inch Parachutes

30-inch nylon cloth parachute

These are tough rip-stop nylon cloth parachutes with a highly visible printed pattern that adds some color to the rocket's flight. The fabric is soft and everyone says it feels like silk. Because of this, the chutes can be packed tighter to fit smaller diameter tubes.

36-inch nylon cloth parachuteOctagon shape, the size is measured from flat edge to flat edge.

These are great for mid-power size rockets because the construction is heavy-duty.

N-1 Moon Rocket

Fin Shape Science Experiment rocket kitThe N-1 rocket from the new manufacturer, Altaira Rocketry, is a 1/122 scale replica of the Soviet Union's moon rocket that competed against the American Saturn V. This model stands over 34 inches tall and flies on a cluster of six Estes D12's. This is a very difficult rocket to build, and we only recommend it to modelers with significant scratch-building experience 

Fin Shape Science Experiment Kit

Fin Shape Science Experiment rocket kitThe Fin Shape Science Experiment Kit allows you to find out through experimentation which shape performs the best. The rocket is designed to allow the fins to be quickly switched between flights so that the only variable being tested is the actual shape of the fins. 

In this kit, there are four pre-cut fin shapes you can test, and another eleven patterns that you can choose from to make your own hand-cut fins. It also comes with a BT-55 size (33mm diameter) fin alignment jig so you can make sure all the fins are perfectly straight and uniform when attaching them to the rocket. The included display stand allows you to stand the rocket upright when you have it in your science experiment at school.

Customer Comments

“My Dad introduced me to rockets as a kid growing up in California. I later decided to become an Aerospace Engineer. While studying AE at Cal Poly Pomona, I discovered Apogee Components during my freshmen year, 2008 to 2009. I bought an Aspire, and Tim's book Model Rocket Design and Construction, and maybe a couple of other small rockets. I remember fondly getting the orders and bringing them back to my cramped, tiny little dorm room (which I shared with two other people!) and trying to build them up. I never forgot the little extra gifts you guys always included.

10 years later, I really am an actual Aerospace Engineer (Control Systems), and I'm so happy you guys are still around. Thank you. This is so much more than a hobby, and you guys are awesome.”

— A. Peterson

Write a Testimonial!

Communication Coordinator - Do you know rockets? We mean, really know them well? And do you know how to connect with people and get them excited about rocketry?

This marketing position requires a person that can come up with a lot of strategies and ideas on how to grow a business. Technical writing ability is essential and required as well, as you'd have to produce innovative weekly newsletters and videos for our great customers.

Located in the beautiful city of Colorado Springs, Colorado, Apogee Components is a fast-paced and innovative rocketry company that is a leader in rocket information and education. We're growing because we strive to have the products customers want, and ship them the same day. You'll enjoy being part of a small but close-knit and friendly team that pushes each other to be their best.

If you think this could be you and you want to get into the rocketry industry, contact Tim through our contact form on our website. For additional information, see: https://www.apogeerockets.com/Company/Job_opportunities

 

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I need help with generating the bi-weekly newsletter articles since it takes a lot of effort to put them together. And I'm willing to pay big bucks for your help.

So ask yourself, are you looking to earn some extra money?

I'm now actively seeking writers for articles to appear in this newsletter. And I want unique and cutting-edge articles because that is what you want to read, right? I realize this, so to get articles from outside writers that have the same level of quality, I'm going to have to pay a lot of cash to make it worth it for them. So I've come up with a compensation package where I'll pay up to $350 for good how-to articles.

Are you a writer, and does that interest you? That is a lot of cash! Far more than you'll get by writing for other magazines. And with over 23,000 worldwide subscribers, if you write for the Peak-of-Flight Newsletter, you'll gain a lot of notoriety. Writing for the Peak-of-Flight Newsletter is a great way to show off your rocketry projects and your technical expertise, at the same time as helping out other rocketeers. Imagine how great you'll feel knowing that you made a difference to the hobby.

If you're interested in writing, see the guidelines on our site.

Join Us On Facebook

Join UsWe're up to something nearly every day of the week on Facebook, and we'd love it if you could join us. Facebook is where you can interact with other Apogee fans. View and comment on our Facebook page!

Here is what we do on our Facebook page:

Monday: This Week in Rocketry

Tuesday is Rocketry Share - sharing fun and informative space posts from other sites.

Wednesday is "Newsletter Day" - We'll announce our newsletter for those who haven't subscribed (unlike you), and we'd love to hear your feedback on the video or newsletter. Join the conversation and share your rocketry knowledge.

Thursday is "Humor Day" - We're scouring the web for little cartoons or jokes related to rocketry or the space program. Rocketry is fun and entertaining!

Friday is "Feature Friday" - This is the one day where we pick a product and tell a little bit more about it. It may be when we started selling it, or some other little-known fact about the product.

Saturday is "Launch Day" - We're out to launch... and we'd love to see a great photo of an Apogee product from one of your personal launches!