Semroc - Cyber III Plan

The 1970 Semroc Catalog included plans for the multi-stage Cyber III model rocket.

Designer: Carl McLawhorn
Diameter: 0.76 inches
Main Body Tube: BS-230
Main Nose Cone: NB-210
Manufacturer: Semroc
Motor Size: 18 millimeters
Nose Cone Material: Balsa
Power: Low-Power
Product Type: Plan
Production Years: 1970-1970
Recovery: Parachute
Style: Multi-Stage
Related Reviews
  • Cyber III (Clone) By John Lee

    This is a clone of a Semroc Classic. It is an 18mm/18mm/18mm 3-stage, minimum diameter, 4FNC rocket. As a kid rocketeer, I knew of only two companies: Centuri and Estes. This was in the mid 1970s. As a very brief BAR in the early mid 90s, I could add Quest and LOC. When perusing the Semroc site, I saw that they had been around since '68. Thus far, I have been extremely happy with ...

Rocksim Design Files
Plans and Instructions
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  • Mark Kulka for Updating Product Attributes

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