This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
As the wheels of a go-cart do not push through the snow very easily and the cart, therefore, does not run in a straight direction, and as I did not care to purchase a sled, I instead fitted the go-cart wheels with runners as shown in the sketch. I purchased a piece of machine steel of a diameter to fit the grooves in the wheels after the rubber, tires were removed. This I cut and bent to the shape shown at A, making two runners, and applied one to each pair of wheels, front and rear, as shown at B. The runners kept the wheels immovable and caused the cart to glide over the snow as a sleigh. This runner will not interfere with the folding of a collapsible cart. - Contributed by Roy B. Hanaford, Detroit, Mich.
Ill: The Runners are Easily Applied to the Wheels of a Go-Cart and Hold Them Solidly