SUBSIM Radio Room Forums - View Single Post - [TEC] Manual TDC Tutorial For SH5 with No Map contacts

gutted · 03-14-10, 09:52 PM

A Note on your speed esitmation:
The correct speed for 32 seconds is 9kts (not 10). Dont round it. As you can see in the screen, you aimed for the center and hit the front.

4.59 * 2 = 9.18kts.

To be wholly accurate though:

147m in 32 seconds = 4.59375 meters per second.

Since 1 mps = 1.9438449knots:
4.59375 * 1.94384449 = 8.92953564 knots

If you want to make the math simpler just divide length by seconds then multiply by 1.94.

I've alread done all this with the speed solver utility in my solution solver program (in my sig).

I even made a quick chart here

Nice tutorial, but just wanted to point that out. 1 kt can be a big difference depending on the range & crossing angle.

03-14-10, 09:52 PM	#5
gutted The Old Man Join Date: Apr 2005 Location: New Orleans, LA. Posts: 1,353 Downloads: 470 Uploads: 10	A Note on your speed esitmation: The correct speed for 32 seconds is 9kts (not 10). Dont round it. As you can see in the screen, you aimed for the center and hit the front. 4.59 * 2 = 9.18kts. To be wholly accurate though: 147m in 32 seconds = 4.59375 meters per second. Since 1 mps = 1.9438449knots: 4.59375 * 1.94384449 = 8.92953564 knots If you want to make the math simpler just divide length by seconds then multiply by 1.94. I've alread done all this with the speed solver utility in my solution solver program (in my sig). I even made a quick chart here Nice tutorial, but just wanted to point that out. 1 kt can be a big difference depending on the range & crossing angle. __________________ Solution Solver 2.3.2 - Visual Targeting Tools & Aids Last edited by gutted; 03-14-10 at 10:08 PM.