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Apogee Rocketry Workshop #390:

Building the TTV Rocket - Part 5

Advanced Construction Video

This step in the build sequence of the "Timer Test Vehicle" (TTV) model rocket kit is where we install the e-bay in the aft section of the rocket tube. Since the e-bay includes the motor mount that is connected by an odd-lookin frame, it may look different from a traditional rocket kit. The orientation also has to line-up with a rivet hole, and it needs to be kept straight so that the rocket flies straight.

The TTV rocket was created as a way for us to inexpensively test the Simple Timer. This electronic staging device is perfect for those that wish to stage composite propellant rocket motors. The TTV is a small-ish rocket that allows you to try out your timers and dual-deployment altimeters without using high-power motors. They can be tested on C and D size motors that are readily available.

View this week's Rocketry Workshop Videos (Duration 7 min, 45 sec)

Previous videos are found on our archive page.

 

Tool of the Month Offer

RC Gliding Parachute

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Newest Products From Apogee Components

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

Long - 3" Dia Nose Cone

PNC-74AThe new PNC-74A nose cone was created exclusively for Apogee because  modelers wanted a lightweight and long alternative for 3" diameter thin-walled tubes. This is a 5-to-1 Length-to-Diameter ratio ogive shape, so it is nearly 15 inches long, plus a 3.26" long shoulder on the end. It is made from Hi-Impact polystyrene, so paint will permanently stick to it without flaking off after a hard landing. There is also a heavy duty loop on the back where you can easily attach wide nylon-strap shock cords. Plus there is a groove in the base where you can easily cut off the aft bulkhead to install electronics into the nose and still have the long shoulder. This is packed with a lot of features, so it will soon be your favorite nose cone for mid and high-power rockets. Be the first in your club to get it! 


Swingshot RC Rocket Glider

Swingshot Rocket GliderThe SwingShot RC glider from J&H Aerospace is a two channel Radio Controlled glider, allowing you to fly this rocket right back to your feet so you don't have walk to retrieve it. It is also a swing-wing glider, so it folds up for the boost phase, which goes to a much higher altitude than a fixed wing rocket glider. You can fly this rocket on A-C motors, or if you're really daring, you might put it up on a 18mm composite D motor for some really sky-high flights.

We are in the process of building our own display rocket, so our webpage is not as complete as we want, but we do have them in stock and ready to ship.


7.4v 260mAh 2-Cell Li-Po Battery and Charger

7.4v Li-Po Battery and Charger

Are you doing electronic staging and looking for a battery that will fire off the igniters used in the smaller Aerotech/Quest composite motors? An e-match (traditionally used for air-starting rockets) is just too big to fit into the smaller nozzle of Quest motors. This new rechargable battery has higher voltage and can reliably fire off both First Fire mini and micro igniters, as well as all e-match style igniters! It is great for rockets like the TTV kit. Both the 7.4v battery and the balanced charger are in stock and ready to ship to you this afternoon if you order by 2 p.m.


 

RockSim Live Training - Every Friday

 

Launch of the Week

My first rocket launch

Today is my 58th birthday! To celebrate, I'm using the launch visualizer to relive my very first successful rocket launch. It was around 1976 when my friend Jerry and I went to a neighborhood park, which was south of Chicago, to launch a small rocket (about the size of the Apogee Blue Streak) on a C6-7 motor. The park seemed big at the time (I was just so small). But as you can see in the simulation, the rocket was too powerful for the field. As the simulation shows, it drifted into the houses to the east, and wasn't recovered. But it was the first successful lift-off that we had, and the start to a career in rocketry. Where was your first launch?

Customer Testimonials:Customer Comments

“Tim and the team at Apogee are amazing. They are on top of everything, from their very well laid out site, to easy ordering, and lighting fast shipping. Not to mention the monumental mountain of knowledge that is freely shared. Apogee understands that to keep rocketry going takes more than just a consumer website, they are dedicated to growing and supporting the hobby. That's why I'll always support them.”

--   Kenne Whitson

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