Sirius Rocketry - For the Serious Rocketeer!

Semroc Kits

Semroc is now under new ownership and we have new stock of Semroc kits slowly coming in. Limited availability, but it is great to see Semroc back! We will get in what we can when we can as production slowly ramps up and we can get our hands on them. Semroc is now made by rocketry lovers in Dayton, Ohio. Welcome back Semroc!

Part # Item Image Item Name Price
SEM KV-13 Semroc Astrobee 350

Semroc Astrobee 350

Astrobee 350 Semi-Scale model. Recommended Motors: Engine Approx. Altitude A8-5  250'  B6-6  650'  ...


SEM KA-31 Semroc Baby Orion

Semroc Baby Orion

The Semroc Baby Orion is a half scale version of the Centuri Orion (Semroc version here). It uses standard mini-engines when you want to fly in...


SEM KV-81 Semroc Bandit

Semroc Bandit

The Semroc Retro-Repro™ Bandit™ has been in the works for some time. It is a recreation of the original design by Mark Kellner, featuring...


SEM KV-84 Semroc Cherokee D

Semroc Cherokee D

Semroc's Cherokee-D has now been released by popular demand for an early Gene Street design. One of the first D powered designs, it launched a...


SEM KV-65 Semroc Hawk Boost-Glider

Semroc Hawk Boost-Glider

Boost-gliders are fun! The Semroc Hawk is a great way to try your skills at building a boost-glider. The Hawk rockets to apogee, then...

... more info
Sold Out

SEM KD-2 Semroc IQSY Tomahawk Kit

Semroc IQSY Tomahawk Kit

At Sirius Rocketry we love scale, so this addition to the Semroc Deci-Scale line fits here nicely. The IQSY Tomahawk is a nice beginners scale...


SEM KV-33 Semroc Laser-X

Semroc Laser-X

The Centuri Laser-X was one of the signature kits of the Centuri Engineering Company.  Introduced in 1968, it had a great futuristic feel and...


SEM KS-3 Semroc Little Joe II

Semroc Little Joe II

The Estes Little Joe II was released in 1968 as a companion to the Saturn 1B. It shared the same 1/70 scale Apollo Capsule. The Little Joe II was...


SEM KV-68 Semroc Midget

Semroc Midget

The Semroc Retro-Repro Midget was designed by Bill Simon in 1968 when he was Vice President of Estes. It was specially designed for the then new...


SEM KA-29 Semroc Mini Omega

Semroc Mini Omega

The Semroc Retro-Repro Mini-Omega is a downscaled version based on the two-stage design by Mike Dorffler of his launch vehicle for his world famous...


SEM KV-66 Semroc Orbital Transport

Semroc Orbital Transport

    One of my favorite kits years back was the original Estes Orbital Transport. Based on some early Space Shuttle concepts, the model was...


SEM KV-34 Semroc Scrambler

Semroc Scrambler

When I was growing up with the huge range of Estes kits, the Scrambler was the definition of egglofter!  First introduced in 1968, the clustered...


SEM KLV-33 Semroc SLS Laser-X

Semroc SLS Laser-X

The Semroc SLS Laser-X is a large-scale version of the infamous Laser-X!  Over three feet tall, the SLS Laser-X is built to take the thrust of...


SEM KV-21 Semroc Starlight

Semroc Starlight

The Semroc Retro-Repro  Starlight is based on the classic design by Bill See from 1967 that became an instant classic. It has been one of...


SEM KV-78 Semroc Starship Vega

Semroc Starship Vega

Another one of those kits I dreamed of building in my early rocketry days! The Semroc Retro-Repro™ Starship Vega™ is the first of their...


SEM KN-2 Semroc Tau Zero

Semroc Tau Zero

I have always liked foward-swept fins, and our friend Jay Goemmer has created a neat design with them that fits right in with the kind of futuristic...


SEM KV-42 Semroc Taurus

Semroc Taurus

One of my favorite Centuri kits in the history of model rocketry was the Taurus. With lots of transitions, tubes, cones, and a spiffy paint job, it...


SEM KV-71 Semroc Trident

Semroc Trident

The original Estes Astron Trident first made its appearance in 1968, and used a unique ducted ejection system which routed the ejection gases through...

... more info
Sold Out

SEM KV-77 Semroc U.S.S. America

Semroc U.S.S. America

The Semroc Retro-Repro U.S.S. America is a recreation of the classic Centuri Super-Kit released in 1975. Whereas the original used 18mm...


SEM KM-1 Semroc Rocket Rack

Semroc Rocket Rack

This easy-to-build model rocket display stand can be used for display or storage of your rocket. Fun and simple to assemble from laser-cut heavy...


Copyright © 2015 Sirius Rocketry Online Store
SS Cestris