The Dean System Drive is a self-contained propulsion system not requiring the loss of mass.

The Dean System Drive

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Dean One

Dean Drive Unit One

The primary characteristic of the Dean system is that it is a self-contained propulsion system not requiring the loss of mass. In part from the Popular Science Magazine, Richard Dempewoiff, 1958, “Engine With Built In Wings“. “Dean discovered he could develop tremendous one-directional thrust.” Doing it sequentially would provide steady propulsion like no other. There would be no reaction against the earth or water or air. It would be a completely sustainable force in any direction it was pointed. It has earthly applications that were imponderable. However after receiving a mathematical report form a major university and its celebrated mathematician, it now had serious space applications also.

In part; the problem was what would happen to a 3000 thousand Ib. Load if it were attached to a 23hp. Dean Drive Unit developing 2,900 rev/min.; assuming no energy losses to friction? It would put that 30001b vehicle into zero gravity.

All other values remaining the same but increasing the hp to 150, and rpm to 4,600 we would have the minimum instantaneous vertical acceleration of that 3000 Ib vehicle to 49ft/sec. (It is a self contained propulsion generator).

The primary characteristic of the Dean system is that it is a self-contained propulsion system not requiring the loss of mass.

Building on the foundation of his previous works related to gyroscopic inertial thrust, Dean, who had previously developed highly classified devices in cooperation with the US Navy, namely the non-precessing planetary gyroscope. Dean set about to demonstrate some of his more unusual findings, concerning rotating masses.

Newton’s Law – amplified

Dean’s well studied observations of rotating masses, combined with his uncanny ability to visualize the dynamics of the entire system, led him to a startling conclusion. Newton’s laws of motion, needed some “amplification” as he was latter on quoted.

Sir Isaac Newton

Sir Isaac Newton

Newton’s third law states that action and reaction are simultaneous. Dean offered this amplification:

“The effect of action and reaction is not necessarily simultaneous and can be sequential.”
N.L. Dean, 1948

Dean’s amendment to Newton’s Third Law – is called “the phasing phenomenon.”

From these beginnings, Dean continued his work, introducing his “System for converting Rotary Motion into Unidirectional Motion” © 1964, otherwise known as “The Dean System Drive”.

Energy Creates force. Force moves mass.

As it has been used, force tends to move two masses – the one intended to be moved, and equally, and in the opposite direction, another mass against which the force simultaneously “reacts”. This is the familiar two-directional force effect.

One-directional force moves only the mass to be moved.

In 1959, Dean applied for, and was granted US and foreign Patents on his initial device, US Patent 2,888,976,” System for converting rotary motion into Unidirectional motion” and later in 1965 a follow-up device, “Variable Oscillator System”, US Patent 3,182,157.

N. L. Dean: System for converting rotary motion into Unidirectional motion
US Patent # 2,886,976

N. L. Dean: Variable Oscillator System
US Patent # 3182517

The Foundation work and developments which ultimately led to the Dean System Drive

The Early Years 1946 – 1965

One of the most pressing problems of the era of World War II, and the post war years, was the need for precise systems for navigational guidance. Dean was inspired to produce the worlds first non-precessing gyroscopic device in 1945-46. The Stellar Spatial Inertial Planetary Gyroscopic system. The non-precessing gyro was essential for the conquest of internally carried navigational devices. In fact, many aspects of his first devices were stamped “Top Secret” by the US government, and remain that way to this day. No patents were allowed to be issued, and aside from a highly select group of individuals, among them Dr. Charles S. Draper of MIT, Willy Ley, Dr. Theodore Van Karman, and Admiral Gallery of the US Navy’s Office of Naval Research, no one was allowed to share these magnificent events. Although the gyroscope was perfected in the late 1940’s, it wasn’t until the 1960’s before selected mathematicians were able to model his work, and discover just how asto unding his work was. Most disappointing, was the fact that he was unable to share with the world, his astounding beginnings, due to the secrecy and contractual obligations that bound him. Therefore, many judged his more public offerings, without the aid of additional information which would validate and justify his genius to the world.

The Roots of Inertial Navigation

Recently Norman L. Dean’s invention of the Stellar Spatial Inertial Gyroscopic System, has been likened to that of John Harrison. John Harrison was the man who invented a practical method of finding Longitude, solving the “The Longitude Problem” a vexing struggle that lasted almost his entire lifetime, and put to bed a problem that had plagued every sea farer since time began. What we now know as the Chronometer, was, and still is the crowning achievement of navigation, of the 17th century. Follow the link above for more information, and the story of John Harrison.

John Harrison

For more on the Dean System Drive, Order the reprint of the now classic “An Introduction to A SYSTEM FOR CONVERTING ROTARY MOTION INTO UNIDIRECTIONAL MOTION The Dean System Drive © 1964