Study on the Plowing Capacity of the 4 Wheel Tractor (II)

On the Relation between Plowing Methods and Their Running Distance in outer Side of the Field

Abstract

There are 5 kinds of method to carry out the plowing in outer side of the field.
(1) Followed plowing method (Fig. 1)
(2) Semi-followed plowing method (Fig. 2)
(3) Previously plowing method (Fig. 3)
(4) Exchanged plowing method (Fig. 4)
(5) Assorted plowing method (Fig. 5)
The method of calculation of the futile running distance of tractor is shown by next formulas.
(1) ∑Pf=4l/b(πr±b)
(2) ∑Ps=4l/b(πr+l)
(3) ∑Pp=4l/b(πr+A+B/2-2r-b)
(4) ∑Pe=2l/b(A+B-2l)
(5) ∑Pa=2l/b{2B+(π-2)r-l-b}
And the order of these methods is as follows:
∑P_f<∑P_s<∑P_a<∑P_e<∑Pp