Quote:
Originally Posted by desirableroasted
Can I offer a clarification?
1) the green, yellow, amber, and red indicate how much of a turn -- the gyroangle - your torpedo will have to make to turn to the target. Green indicates a pretty straight shot, as Cherry says; red means an almost impossible (or impossible?) shot.
2) But green doesn't mean your firing solution is right. If you are firing an impact torpedo, but on 30 degrees Angle On Bow, your periscope/UZO may show green (because the torpedo can hit the target without turning), but the hit may glance off because of the angle. Nor does it take into account the depth of the torpedo.
3) Morever, the split between green/yellow is not cut in stone, it is just an indicator. You can make successful shots pretty consistently from 350 to 010, even though both of those gyroangles are yellow.
In sum: Green just means your torp doesn't have to go to gymnastics class to hit the ship. But you still need to worry about Angle on Bow, depth, and what pistol you are using.
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The triangle also assumes that you are making calculations for an impact hit; if using magnetic settings those triangles are useless. a 30-60 aob is ideal for magnetics since it increases the surface area that the torpedo travels underneath the target and gives it the longest period of time to rise up to hit the target.
Normally you'll aim ~ 1 meter under the draft for a magnetic hit in calm seas, in rough seas that changes to 2-3 meters. If you'll notice in the event cam when the torpedo runs low but is running at a steeper angle (like more than 50 degree) it travels down the keel and you'll watch the eel slowly move upwards until it impact with the target.