Subdeacon Joe Posted May 24, 2023 Share Posted May 24, 2023 https://www.facebook.com/reel/3208142789486692?mibextid=9drbnH&s=yWDuG2&fs=e https://www.farmcollector.com/company-history/the-square-turn-tractor/ A new approach The Square Turn’s transmission featured radical new technology covered by eight patents. “This invention was called ‘the giant grip drive,’ a new type of transmission never before used in any piece of machinery,” the booklet notes. “Its simplicity, flexibility of control and durability, as well as freedom from repair costs, made it the center of interest at eight great national tractor demonstrations.” The giant grip drive was designed to provide an entirely new device for transmitting power. Kenney and Colwell claimed the new drive did away with the clutch, differential gears, transmission gears and the universal joint common in other tractors. Advertisements promoted the fact that the tractor’s unique design eliminated a number of common problems. It had fewer parts than other tractors, it carried the plow and other tools in full view of the operator, and it worked on hills and low land, where most tractors could not operate. Kenney and Colwell powered the Square Turn with a 510-cubic-inch Climax 4-cylinder engine that could run on either kerosene or gas and was rated at 35 hp with 18 hp on the drawbar. The machine’s belt pulley could provide power to a threshing machine, sawmill and other farm machinery. Link to comment Share on other sites More sharing options...
Forty Rod SASS 3935 Posted May 24, 2023 Share Posted May 24, 2023 Looks like a viable solution to a well known problem. I wonder why it didn't catch on or come back later with improvements Link to comment Share on other sites More sharing options...
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