1971-02-01

The Design and Operational Experience of the TTI T4x ACV in Northern Canada 710186

The need for a utility transporter capable of amphibious operation in the varied terrain of the Arctic environment was evidenced during oil exploration activities in Alaska during the summer of 1969. Transportation Technology, Inc., undertook to design an air cushion vehicle specifically to meet this need, and through an accelerated program, the prototype craft completed initial trials in Texas during April-July 1970, and working trials on the Mackenzie River during September 1970.
From the skirts up, the design extensively incorporates features to withstand the rigors of rough terrain, minimal maintenance facilities, and hard usage. The main frame is welded of 12 in. aluminum channels, skinned with ribbed aluminum bolton decking, and fitted with side extensions for ease of knockdown, air transportability, and reassembly at remote locations. The design is based on the selection of off-the-shelf, proved components such as standard industrial fans, light aircraft piston engines, and standard aluminum structural shapes. All controls are electrical or mechanical eliminating the need for complex hydraulic systems.

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