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Apogee Rocketry Workshop #331:

Repair a Fin Gap on the Estes Saturn V Model Rocket Kit

Advanced Construction Video

When cutting the fairing shrouds to slip over the fins on the Estes Saturn V model rocket kit, you will probably end up with gaps around the perimeter of the fin. Since the plastic is so thin and flexible, you'll probably want to fill the gaps to prevent paint from getting inside, and to stiffen up the fairings.

This video shows you how to fill those gaps using epoxy-clay. But it has to be done from the inside of the fairings, and after they've already been attached to the rocket. You'll see how to cut a hatch in the bottom of the fairings so that you can access the inside and position the clay in the right location.

This same technique can be used on adding internal fin fillets to models that have a cardstock rear centering ring. So it is a useful tip for more than just repairing the Estes model.

View this week's Rocketry Workshop Videos (Duration 19 min, 50 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!

Estes Astrocam

Estes Astrocam

The Astrocam® is now available! This is a small 24mm diameter rocket includes a small but full HD video capable camera. The camera is only 8.1 grams, so it barely affects the performance of your rockets. The rocket itself doesn't require any glue to assemble. You'll have this Skill Level 1 model put together in less than 20 minutes. So many features are packed into this rocket, that you need to check it out -- before we sell them out.

Estes Variety Bulk Packs of Motors

Estes Bulk Pack of Rocket Motors

If you're a teacher or group leader flying dozens of rockets, you probably want bulk packs of motors. Estes has released variety packs, so you get more than one type of motor in the 24-pack of motors. We now have the A8, B6, C6 package as well as the B6-0/B6-6 combination which is great for two-stage rocket flights. Both bulk packs contain the starters and recovery wadding, so it is a great way to save money.

Aerotech 18/20 Reload Kits

Aerotech 18-20 Reload Hardward

While this is technically not a new product, it is a new addition on our website. These small reload casings allow you to fly C and D reload propellent in an 18mm diameter size. We also have the plugged forward closure so you can fly the casing in RC airplanes as well. Besides the hardware, we also have available all the different propellant kits too: C3.4T, D2.3T, D13W, and D24W

Estes Saturn V Skylab

Saturn V Skylab rocket kit

The 41.25-inch tall Estes Saturn V Skylab is a 1:100 scale reproduction of the historic rocket and its space station payload. Vacuum formed tube wraps and fin fairings add a textured realism to this model’s surface. Injection molded fins are both durable and detailed – a fin alignment guide is included for precise placement. The detailed water-slide decals accurately represent the markings of this historic mission. Flies on 29mm diameter rocket motors.

Andromeda Cluster Rocket

Andromeda rocket kit

Imported from Germany, this Klima rocket kit called the Andromeda uses a cluster of four 18mm diameter engines to launch it skward. It also has a unique mid-body separation design to reduce the chance of zippered body tubes, plus an ejection baffle to protect the parachute. It makes a nice rocket if you want to try out clustering. 

 

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-- Chris Broadbent

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