The Chassisless or Unit-Car Question

Paper #:
  • 370137

Published:
  • 1937-01-01
Citation:
Knauss, S., "The Chassisless or Unit-Car Question," SAE Technical Paper 370137, 1937, https://doi.org/10.4271/370137.
Author(s):
Pages:
2
Abstract:
THE experience gained over a period of many years in the development of light-weight, high-strength structures is now finding its way into the bus industry.Investigation of present-day bus operations showed the need for a road vehicle that would carry the greatest possible payload of passengers with a smaller horsepower engine without dragging along a load of dead weight and useless structure that would eat up gasoline instead of miles.A motor coach is now available in which are incorporated aircraft materials, design, and construction features resulting in a vehicle that is approximately 1000 lb. lighter than the lightest conventional design with the same engine horsepower and seating accommodations.Motor-bus operators today can reduce costs by the use of light-weight equipment provided there is no sacrifice of strength and reliability. They must also meet the ever-increasing demands of the public for quietness, comfort, absence of vibration and engine odors - all of which can be accomplished by placing the engine in the rear which automatically gives a better distribution of weight than has heretofore been possible with the front-engine design.
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