I took out a KASAGISAN MARU last night that made continous rudder zigzags (full deflection one way into full deflection the other way). I had originaly set up for a 90 AoB shot but his longest straight time were on the Zig's or Zag's.
So i plotted his zig and zags, witch did not take too long as i made a plot every 20 seconds over 3 min's and had a fine row of small circles (i use the tool that makes a circle to make my plots, small 50ft circles when its not a 3 min plot and large 200 ft. circles when it is done in a 3rd min (3,6,9,12 etc.)
ANYWAY
the short plot of his Zig Zag enabled me to turn my boat 25 deg. to the right away from the original 90 deg AoB to a new 90 deg AoB lineup on the Zag leg.
I had timed his time in the Zag to 30 sec's so i knew i had to shoot fast as he got into the Zag. Therefor i had prepared AoB on the dial on 88 deg, Speed was dialed in on 6 kts. Doors open and draft sat. Torpedo speed sat on fast.
Mouse rested uppon the stadimeter and as he settled on the Zag i took a stadimeter reading for range and sent it to the TDC - then unlocked him and had his rear mast ligned up on the crosshair and sent range again to update the new aimpoint - Fire one....´
Moved the crosshar to his bow and had him sail through it untill the front of the superstructure, then sent range again..again updating the new aimpoint. Fire two...
I like to fire my spreads from aft to fore. I have been doing that sinced i read O'Kanes book, but i cant remember the reason form his recomendation of why to do that - the book is lent to a buddy so i cant look it up right now.
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