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1961 Lotus-Ford Type 20/22 Formula Junior Racing Single-Seater
Chassis no. 20J-926

While the first rear-engined Lotus single-seater racing design was the epochal Type 18 of 1960, the first to adopt what became the definingly sleek, pretty and elegant Lotus Formula Junior bodyshape was the replacement Type 20 of 1961.

Development by evolution rather than revolution was to become the Lotus minor-Formula norm – apart from the major change to monocoque construction in the 1963 Type 27– and the accent was upon providing absolutely the minimum car for the maximum performance relevant to the restrictions of contemporary regulation.

The Type 20 had jam-packed more or less the same component parts as the Type 18 into an even smaller, more aerodynamic racing car. The spaceframe chassis used mostly 1-inch diameter 18-gauge steel tubing, and in general it was both lower and stiffer than the Type 18, shorter in wheelbase and yet wider in