CORRÊA, A. A. M.
Resumo:
The factors that exert influence in the resistance to
traction offered by the plow are considered so that they might
be compared with the tractive forces exerted by tractors, less
the loss of power due to local conditions and to reduction in
force due to declivity and rolling soil coefficient.
There is a group of variable elements that exert influence in the final valnes obtained, turning calculations very extensive: nevertheless, in view of the use of'modern calculators or
even computers, the calculation has become faster, enabling the
operator to elaborate tables that allow their use for a correct
program for the use of plows.
Once such values are obtained the tractors minimum power
are calculated, considering the periods (hours) for the plowing
of the various areas.