Semroc Flying Model Rocket Kit Jupiter B™ SEM-KN-06
Assembly Required Skill Level 2 Intermediate
Experience the Adventures of the Robinson Family
Laser Cut Parts
Featherweight Recovery
Body Diameter 5.625"
Length 3.25"
Net Weight 1.02oz
Made in the USA
Engine / Approx. Altitude
B6-0 100’
C6-0 200’
About the Jupiter B™
The Jupiter B was designed to enhance the popular “Dare to be Square” from NewWay Spacemodels. Going a step beyond the square, flat top design used by the aforementioned kit, the Jupiter B evolved into its more spaceship design.
The original Jupiter B was larger than the finished model, but the material that it was constructed from had a very poor finish texture. The next model had much better finish properties, but had shrinkage problems with the glue joints. There was also a problem with the size. To help keep the costs down for shipping to you, our customers, we had to make it smaller, which changed the flight characteristics. After 7 attempts, we finally got it right, and can now bring you the new, Semroc Jupiter B.
About Semroc
Semroc Astronautics Corporation was started by Carl McLawhorn in his college dorm at North Carolina State University in November, 1967. Convincing a small group of investors in his home town of Ayden, North Carolina to invest in a small corporation, the company was re-incorporated as Semroc Astronautics Corporation on December 31, 1969.
Semroc produced a full line of model rocket kits and motors. At its peak, Semroc had twenty-five full time employees working at two facilities. One was for research and development, printing, shipping, and administration. The other was outside of town and handled all production and model rocket motor
manufacturing. For several years, Semroc successfully sold model rocket kits, supplies, and motors by mail-order and in hobby shops. In early 1971, Semroc became insolvent and had to close its doors.
After 31 years of dreams and preparations, Semroc Astronautics Corporation was reincorporated on April 2, 2002 with a strong commitment to putting the fun back into model rocketry. Many years of excellent service to the rocketry community passed by until sadly, on August 11 2013, Carl passed away and left a great void in the hearts of many rocketeers. He is forever in our hearts and minds.
In February of 2015, Semroc was sold to eRockets and moved to Dayton, Ohio where it resides today. It is our goal to continue the level of service and dedication to the hobby Carl and his family were so well known for. We strive to serve you, our customers, to the best of our abilities as we carry the vision of Carl McLawhorn boldly into the future.
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, Tweezers
Ruler
Wood Glue, Model Cement or CA(Super Glue)
Sandpaper
Masking Tape
Finishing Supplies like:
Wood Filler
Sealer/Primer
Paint
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 Code
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Semroc Jupiter B
The Jupiter B was my first build of a non-traditional model rocket. Not knowing what to expect, I was totally surprised. It is an amazing performer and great fun! My only complaint is that the motor tube in my kit did not have a precut slit for the motor retainer(Recalled and fixed). I messed up the location, but the finished product still works (reason for 4 star review). All of my flights used Estes C6-0 motors.
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Semroc Jupiter B
Got a launch coming up tomorrow and want to fly something different? The Jupiter B may well be just what you're looking for. I built mine in the morning, painted it after work, and it was ready to fly the next day. It's low altitude also makes it the perfect backyard flyer when you have the urge to fly something other than a MX kit. Recovery is bonk style, so there are no parachutes or shroud lines to catch in trees. Cheap thrills. The monkey house erupts.
