[makman94]

Originally Posted by derstosstrupp

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To your question, the setting of 90 is simply for simplicity’s sake. Setting 90 allows you to set the target speed = own speed in the TDC, that’s all. Since the formula is

own speed x sine(brg) / sine(AOB) = target speed,

Then setting TDC speed to equal own speed yields the same result since the sine of 90 is 1.

Again, antiquated method and superseded by my subsequent stuff.

i see , thank you for the reply Derstosstrupp