m and v into one factor V we have its values as follows : For very good macadam, dry and smooth §q 1 to to 83 For hard macadam with light ruts 1 1 to 45 27 For bad macadam with 2.4" ruts r to 2 1 13 For good granite pavement ^ 1 1 to 108 65 For medium granite pavement and moist dirt 1 1 to 7 6 46… … The smaller values were obtained with wagons having 4' wheels, and the larger values with wheels having 7' diameter. BRAKES. To prevent a wagon from going down an incline with unde- sirable speed, a piece of wood is forced against the rim of the wheel, the force exerted = Q. The wheel will then not…
Brewing · Malt
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