Title: Cranberries; : the national cranberry magazine
Identifier: cranberriesnatio5860port (find matches)
Year: 1936 (1930s)
Authors:
Subjects: Cranberries
Publisher: Portland, CT (etc. ) : Taylor Pub. Co. (etc. )
Contributing Library: UMass Amherst Libraries
Digitizing Sponsor: UMass Amherst Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
New Bog Buggy Designed At Mass. Station Prof. John S. Norton, head of the engineering! department at Massachusetts Cranberry Ex- periment Station has designed an all-purpose "bog buggy." This, with a ditch digger and a separator of a non-bounce type are expected to be on display or demonstrated at annual meeting of Cape Cod Cranberry Growers Association, August 18th at the State Bog. Norton describes the experimental bog vehicle as follows: The experimental bog vehicle is being designed and built with the main purpose in mind of provid- ing a means of transportation of heavy loads on the bogs that will do a minimum of damage to the vines. For example, it is honied that a payload of four yards of sand or 500 gallons of spray ma- terial, or 100 boxes of cranberries, might be transported on the bog without injury to the vines. It is also hoped that the vehicle will be able to span ditches up to 3 feet wide without bridging. It is emphasized that this ve- hicle is strictly experimental. It is neither inexpensive or light in weight. It weighs approximate- ly 5500 pounds. There will un- doubtedly be a number of short- comings become apparent as the machine is tested. However, ef- forts will be continued to over- come these problems as they ap- pear. The basic design of the machine centers around the theory that a wide belt with closely spaced support rollers would distribute the weight of the vehicle and its load over a large area just as the track on a track-type tractor does. Thereby reducing the unit pressure on the vines. The belt on the machine is 4 feet wide and the drive rollers are 10 feet on center. This pro- vides a contact area of 40 square feet or 5760 square inches. With 4 yards of sand the weight per square inch will be approximately 3 pounds. The support rollers are 9 inches apart. This spacing of the support rollers will undoubted-
Text Appearing After Image:
Front view of experimental bog buggy, designer John Norton in operator's seat. (Cranberries Photo) Iv permit some concentration of the load under each roller with a lesser amount of the load being supported by the belt between the rollers. The degree of this load concentration has not yet been determined. The machine is 18 feet long with the clear deck to the rear of the tractor engine being 8^/4 feet long by 5% feet wide. The four wheels are necessary to pro- vide maneuverability. For opera- tion off the bog and for turning, the wheels must be lowered and the belt raised off the ground. The support rollei'S are allowed to follow the contour of the ground through the system of springs and linkages to which they are at- tached. The power unit is an Allis- Chamlers Model G tractor. If an engine of siifficient power but with a shallow enough depth to mount between the upper and lower runs of the belt can be ob- tained to replace the Allis-Chal- mers, the machine could either be shortened and lightened or five feet more length for payload could be made available. READ CRANBERRIES Fifteen

Note About Images