PolyTrac <xref ref-type="fn" rid="FN1">*</xref> - A Unique Approach to Engineering Problems

An engineering development team approached a snowmobile track manufacturing project with an objective of creating a unique salable product. Keying off a new internal lug drive system, this report describes the analysis used in selecting polyurethane as the elastomer, the development of a suitable manufacturing method and some of the facets of tread design.