NEW! The Hybrid Manual has been revised, corrections from errata incorporated, new sections added. Currently 137 pages of inspiring Hybrid Design Concepts, theory, sources, and test data.

2006 Update! Now Even Better!

The latest revision now includes dimensioned drawings for making your own hybrid motors using simple techniques and readily available materials!

The CD-ROM has been further edited, newer versions of some spreadsheets added and some more utilities to make design work easier.

Still the same price for 30% more text and much more on the CD.

The Hybrid Propulsion Manual - covering principles of operation, specific details on construction and testing and with information on propulsion systems from the GIRD vehicle in the 1930's to the SpaceShip One Propulsion System which sent a civilian astronaut into space for the first time.

Over 130 information-packed pages - 14 chapters and 7 appendices - includes a CD with over 450 megs of video, photos, drawings and reports - spreadsheets and design aids for creating hybrid propulsion systems.

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Please see the Table of contents for the written portion of the manual. The CD ROM is extensive and has a great collection of fotos, video, data files, drawings, and spreadsheets for hybrid propulsion system design.

Table Of Contents for Revised Edition (26k pdf file)

The introduction to Hybrid Technology is written by Bill Colburn, the Co-Inventor of the Urbanski-Colburn Valve for simplified hybrid motor construction. Bill also designed, constructed and tested the first Hypergolic Hybrid Motor in June of 1951.

Bill also built the first N2O Hybrid motor using 2 inch tanks (laboratory demonstration tanks), the fore-runner of the consumer High Power Rocket Motors now supplied by both Aerotech and Hypertech.

Bill wrote the first Hybrid Propulsion Manual aimed at the field of Experimental Rocketry. This re-written manual is included as part of the SORAC Hybrid Manual.

The Hybrid Manual is offered for $75 which includes the Introduction to Hybrid Technology, the Hybrid Manual, Hybrid Designs, Hybrid Theory, the SORAC Drawings, the Narrative History of the SORAC Project, photographs and video clips.

Manual and CD-ROM - $75.00

Errata for Original Hybrid Manual (37k pdf file)

View the Cover Artwork (139k pdf file)