Ralph Sarich was an engineer based in Western Australia who created the orbital engine, a revolution in 1972.
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| September 1987 Modern Motor, page 1-2 |
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| September 1987 Modern Motor, page 3 |
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| June 1992 Wheels page 1-2 |
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| September 1996 Wheels page 1 |
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| September 1996 Wheels page 2 |
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| Orbital 1996 photo |