The Rathmann Xterminator kart quickly established its reputation with a 1-2 overall victory at the second annual International Grand Prix de Karts in 1960. An innovator in its use of aluminum monocoque chassis and energy absorbent engine mounts, it was nonetheless a technical anomaly in its use of the relatively crude scrub-on-tire braking system (though this apparently did not hinder its winning form!). Most karts by 1960 were using internal expanding brakes and hydraulic spot (disc) brakes were available as a state-of-the-art alternative.
Click to see a really neat Montgomery Wards ad (note: this is a
See the Smithsonian Xterminator
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