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Peak-of-Flight Newsletter #601:

Protecting Your Parachute from the Heat of the Ejection Charge

Peak-of-Flight Newsletter

We've been using fireproof paper recovery wadding for parachute protection since the birth of the hobby. But what are the nine other methods for keeping your parachute unharmed? In this week's newsletter, I'll go through all the diferent methods for protecting your parachute, and then list the pros and cons of each. That way, you'll be able to decide for yourself which method you might use in your own rockets.

Also in this issue: Tim's Messy Desk Blog

What has been happening at Apogee Components in the last few months? This is your behind the scenes glimpse of what Tim has been working on. And yes... like every other blog on the internet, you'll read about how A.I. is changing the world. But in this case, it is for the better.

Read the rest of this week's article, either on a downloadable PDF for printing out, or on our website (great for viewing on your phone)!

Previous issues of our newsletter are found at our archive page.

 

Tool of the Month Offer

RC Gliding Parachute

Newest Products From Apogee Components

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

Aerotech J615 Aerospike Nozzle Motor

J615 Aerospike Nozzle

The new Aerotech J615 reload motor is the first model rocket motor using an aerospike nozzle!

The primary advantage of an aerospike nozzle is its ability to maintain high efficiency at varying altitudes. Aerospike engines are the baseline engines for many single-stage-to-orbit (SSTO) designs. This new motor also features the "super thunder" propellant formulation, and comes with an adjustable delay grain. Be the first in your club to get this historic high-power rocket motor.


 

Simple Timer For Staging

Simple-Timer version 3

The new Simple Timer from Apogee Components controls ignition of upper stages by setting a time from liftoff when the air-started motor should ignite. Its built-in logic prevents ignition of the upper stage if the rocket goes unstable or is tilted more than 45° from vertical at the time of ignition. This new version of the device now includes an apogee deployment channel for extra safety, so you don't need a separate altimeter in the rocket. If you want to stage high power rockets, this is what you need. It is also great for high-drag rockets (like spools and pyramids shapes) that need a quick ejection at apogee.


 

North Coast's Argo D4 Javelin

North Coast Rocketry Argo D4 Javelin

North Coast Rocketry has released a 1/17th scale version of Argo D4 Javelin. The real rocket that this is based on was a four stage beast which consisted of an Honest John military rocket as the first stage, topped by two surplus Nike booster motors in tandem, and finally an Altair X-248 top-most stage (that did not have fins), which was adapted from the Vanguard program. But this model rocket kit is much simpler, just a single stage using a high-thrust 24mm diameter motor. It is a beautiful model that is sure to make all your rocketry friends very jealous.


 

Apogee Kestrel Rocket Kit

Apogee Kestrel Kit

Apogee's Kestrel is a medium-size, high-flying bird that comes with a large 29mm diameter motor mount. Besides a large payload bay, it has curved swept fins and a drag reducing boattail to give it sleek aerodynamic properties. With the right size engine, you can push this bird to supersonic speeds. But the new 29mm motors (see below) will also give this rocket a pleasant, soaring flight. It also comes with a 24mm motor adapter, so you can even fly it on a low power C11 motor from a small launch field. Get one or two today!


 

E24C and F67C Aerotech Motors

Aerotech F67C rocket motor

Aerotech has released two new 29mm diameter rocket motors, the: E24C and the F67C. They both feature the "classic propellant formulation," which mimics the sight and sound of the original 1970's composite motors from Enerjet. This no-smoke propellant type has a translucent exhaust plume studded with visible supersonic shock diamonds. They come in the following delays: E24C-4, E24C-7, E24C-10 and F67C-6F67C-9 and F67C-14. These motors will fly off our shelves as fast as they make your rocket zoom through the sky, so you better get them soon.


 

Tinder Firebird Recessed Ejection Charge Wells

Firebird Ejection Charge Wells

The Tinder Rocketry Firebird Recessed Ejection Charge Wells are a great option for those rockets with limited space. These canisters are recessed into the ebay, which means you have more space for your parachute in your payload bay compartment. They also simplify setup, because your igniter wires go directly into the bottom of the well inside the ebay - so no need for terminal blocks or running them through holes in your bulkhead. The Firebird Wells come in three sizes - 3G, 6G and 9G. Check it out today! 


 

 

 

RockSim Live Training - Every Friday

 

Launch of the Week

Flying Machine Launch

We're making up another batch of Flying Machine kits this week, so my mind was primed to run this week's simulation. I decided to play with it a little bit, and see what would happen if one of the strap-on boosters ignited a little bit late. Does the rocket go unstable? This is the kind of thing that makes the Launch Visualizer really useful. Check out the 3D simulation here.

 

Customer Testimonials:Customer Comments

“I just want to give a shout out to Tim and everyone at Apogee. I made my L2 flight on Sunday July 12 with the Zephyr and the dual deployment conversion kit. RSO impressed with how straight the model flew. That is due to how well designed this kit and the Perigrine are(got the same comments with that kit also). Apogee is my go to supplier for all my high power needs. Whenever I place an order, it always arrives quickly.”

--   Chuck Garnes

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