# Thread: Imperial and metric | Forums

1. they have missed it compleatly.
If you use metric system on the sea, you still use NM when determen travel distances. becaus the boat does Kts, not Km/h. (and for subs all targets does Kts, so torpedo speed is in Kts, but not range to target, meters or NM if determin travel time to target.)

So siplyfied it is just the deapth that is different, M instead of Ft.

Please can some one that know how to, fix it.

2. they have missed it compleatly.
If you use metric system on the sea, you still use NM when determen travel distances. becaus the boat does Kts, not Km/h. (and for subs all targets does Kts, so torpedo speed is in Kts, but not range to target, meters or NM if determin travel time to target.)

So siplyfied it is just the deapth that is different, M instead of Ft.

Please can some one that know how to, fix it.

3. And did you know 1Nm is 2000m in this game.. but you still travel at correct knots speed distances.

4. 1Nm = 2000 Meters = 2166.6 yards

5. Did a little test run.

Set my sub for standard speed (RFB mod) at 8 knots and did a run for 1 hour
Sea conditions = one level above flat seas
Time compression = 256

Theory: 1 hour at 8 knots = 8 Nm.
Actual: 1 hour at 8 knots = 7.85 Nm.

I must do a test in all conditions, and shall report back, SIR!!

6. I am not 100% sure on this but I belive in official use knots are used by all nautical and aeronautical (military or civilian)operators. I mean that they use knots as the method to meassure speed. So today the metric system is used thoughthey still meassure speed in knots sort of like english being the language that all airline flying internationaly must use. Sh4 wise someone said that the devs had to change the meassures by a very small amount. And of course if you meassure a given distance over a given speed it will always be lower do to at least with a sea going vessel the varying levels of resistance that the sea itself even in flat seas you will have some resistance nothing has an unchanging constant speed not on earth anyway even a bullet gets slower.

7. Yes, even the high priests of metric mumbo-jumbo admit that imperial is best and use the knot because like most imperial measurements the knot means something important, where metric measurements are a fraction of the distance between the north pole and the equator.

The French even screwed up the measurement of the earth, so the meter ended up the wrong length. What in the world are we doing with a measurement system relating to anything other than the humans who use it? The foot, yard, inch, all are based on the human body. Does it not make sense to measure things used by humans by units that relate to the humans involved? Yet the metric priests hide behind the powers of ten to pretend that metric makes more sense. Hogwash! Metric mumbo-jumbo is massive malarkey! And what about Mary Lou?

Other than that it's fine.

8. If the devs stuck to the original RL nautical measurements I'm sure all would have worked out fine. One would expect bigger differences in higher seas, but I've noticed that this is not effected by time compression as above a certain TC my 'standard' speed of 7 kts in fair sea goes up to 8 kts, as if the sea was flat.

I think they took their measurements from the world map we have in the game. This map actually comes from elsewhere in the exact same dimensions - I've picked this same map up from other navigation and mapping websites - so I think the devs changed all to match the map.

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