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Originally Posted by Puster Bill
I was going to use the procedure outlined in the instructions for the SACF/IS-WAS at the HNSA site as a basis. I just never seem to get the time to sit down and do it uninterrupted.
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I'll have a look at an the Is-Was I downloaded (from subsim forums), and see it involves a relation, or quick-compute way to lay out the data. I dont know if they used a vector system, but it worked for me. I finished that file I mentioned above, it seems to work pretty well, calculating the heading and speed of a target, even when the sub is moving. The math that is going on "in the clockwork" is kind of convoluted, and I'm still trying to trim it down into a simple equation. If someone can do that, they'd have the key to designing the Is-Was, and from there, infinite understanding of its function....So thats what I'm working on!
Also, I had a quick question, can you use an Is-Was when the sub is moving? If so, there most definitely is an underlying relation, and that's pretty much been my holy grail since I bought SH4. Thanks!
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Originally Posted by Hitman
Seriously now, I have followed your thread with great interest
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Thanks
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Originally Posted by Hitman
Anyway, I have been recently coming by research to the method used by the real U-Boot kaleuns in WW2, ...
My question is: What would be the exact mathematical formula for this? I mean, there must be a mathematical formula to allow calculating the AOB like that without any table and a finger going right-down on it  |
I'll look at this chart you linked, its very interesting. My german is passable, but I think I get the idea. I assume the U-boat is free to manuever to maintain the 90deg bearing?
Hmm, I'll plug away at it. Thanks for the insight. Thants going to be a few more hours of fun! It doesnt get much more geeky than "fun" math!
Here's a pic of the (extremely junky but funcitonal) program I wrote today to do this math for you. It'll take the place of the stopwatch, basically. If anyone wants to try it, I guess they'll have to PM me with an email address, and I can email it to them. at least until I get my file server back up. I didnt take the time to make an installer for it either, so its just a .rar
edit: pic link was broken