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Rocketarium Flying Model Rocket Kit SS-520 2 Motor Cluster RK-1031

$24.99 $23.99
(You save $1.00)

Rocketarium Flying Model Rocket Kit SS-520 2 Motor Cluster RK-1031

$24.99 $23.99
(You save $1.00)
Ships same or next day
Calculated at checkout
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Product Description

Rocketarium SS-520 Cluster Rocket

This is a sport-scale model of a Japanese sounding rocket. The SS-520 was a two-stage rocket, the kit is single stage.  The real SS-520 rockets can reach altitudes of 800 km to conduct scientific experiments and gather data.

This flying model rocket doesn't go quite as high. Good thing too, it would make recovery impossible.  The SS-520 rocket does, however, fly on a cluster of two 18mm motors for added fun and excitement.  The self-adhesive decal sheet includes fin wraps, lettering, and body wraps. The nose cone and antennae area (right below the nose cones) is painted.


Overall length : 30.15"

Diameter : 1.637" (BT60)

Fin Span : 5.597"

Weight : 3.7oz

Recommended Motors

Estes® 2 x B4-4, 2 x B6-4, 2 x C6-5

Challenges:  While the four small antennae and balsa fins are pre-cut, handling the small antennae offers a challenge. This makes the SS520 kit close to a skill level 3 kit, but not quite.  Parts include 1/8" balsa fin stock, fin template, two body tubes, coupler, laser-cut plywood centering rings, and other parts needed to build this model rocket.  Supplies such as glue, sandpaper, and paint are not included.


Model Rocket Kits are rated by Skill Level

1 Beginner

2 Intermediate

3 Advanced

4 Expert

5 Master

If you are just starting in the hobby start at the beginner level and move up from there at your own pace.

What is needed to build and fly

All model rockets come in kit form that require assembly.  The materials are primarily cardboard tubes, balsa or plastic fins and nose cone.  Materials will vary by model and are typically specified in the description of each kit. 

Additional supplies will be necessary to build and finish your model rocket kit and may include:

Scissors, Hobby Knife


Wood Glue, Model Cement or CA(Super Glue)


Masking Tape

Finishing Supplies like:

Wood Filler



Launching Equipment and Supplies like:

Recovery wadding

Launch Pad

Launch Controller

Power supply

Model Rocket Motors and Igniters

A safe place to fly using guidelines from the National Association of Rocketry Safety

Other Details

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