Boy, it would be nice to be so busy I would not have to deal with this. I don't drink beer but I would love to do it over a good plate of fried fish or something like that.
The problem with the B was the small wheels. More weight was needed at the axel ends to reduce tipping moment. The C and the B were almost the same height at the motor (both are about 28" at the front bolster). The B gives the illusion of being lower, but it is not. So the C was made with larger wheels that could carry more ballast. The C is heaver but the extra weight is either the rear wheels or is placed between the rear wheels. More weight at the axel ends reduces tipping moment. Other than being totally impractical for cultivating (the offside row was out of sight), the B's were more dangerous than the H, M, or the F series previously made. Check the records. The Cub and the A have special ballast built into the wheels to reduce tipping moment.
I can't argue with emotion, but I can argue math. The tipping radius for a tricycle front is approximately half the radius for a wide front. Draw a line from the contact point for the front wheel to the contact point for the rear wheel. Measure the distance from the center of the tractor (center of gravity) to the line at the midpoint between wheels and you will have the approximate tipping radius. It will not be exact because the engineer will have to determine the location of the center of mass to make the measurement and also consider such things as second moment. Suffice it to say the tipping radius is reduced by the shape of the footprint and will be approximately half for a tricycle front. For first moment the shorter the tipping radius, the more likely the unit is to tip over and it is an inverse linear relationship. When motion is introduced and second moment has to be considered, tipping moment increases inversely with the square of the tipping radius. Remember the three wheelers Honda and Yahama made. Gone! Why are they gone? Because of instability (and subsequent law suits). The equipment manufactures would still be offering narrow fronts if they knew they were as safe as wide fronts. I do not know for sure, but I would bet the fronts were altered so that the old boasters could not be moved over to the newer models (for fear of lawsuits). If the manufacturers could they would still be selling narrow fronts just because guys like us like them so much! They can't because of this litigious society we live in.
Come on down and bring the fish. I might even furnish you a beer! Larry Mc
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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