set forward point การใช้

Close-up of the mechanisms of the gun arm center, attached to the primary block of the plotting boardIt was the set forward point that the guns were targeted to hit.
The set forward point was the anticipated position of the target at the end of the "'dead time "'plus the "'time of flight "'( see Figure 1 ).
Next, a slide rule-like device called a "'set forward rule "'was used to mark off the "'set forward point "'( the green square in Figure 1 ) for the target.
The dials on the face of the gun arm center were used to calculate the angular travel ( in degrees and hundredths ) of the target between successive plotted points on the board, a quantity that could be corrected ( using output from a "'deflection board "') and then applied to calculating the set forward point.