Beep! Beep!

Which way did they go?

How fast were they going?

How many were there?

I must find them--

I'm their leader!!

The table below gives some numbers that will allow you to estimate the speed of your trains. The numbers are keyed to typical module lengths to make things easier.

Which Way Did They Go

Distance	Real World Distance	N World Distance	Rounded	Seconds at 60 scale MPH
--------------------	--------------------	--------------------	---------------	--------------------
Mile	5280'	33'	32'	60
Half-mile	etc.	16.5'	16'	30
Quarter-mile	etc.	8.25'	8'	15
Eighth-mile		4.125'	4'	7-1/2
Sixteenth-mile		2.0625'	2'	3-3/4
Thirty-second-mile		1.03125'	1'	1-7/8

How Fast Were They Going

Speed Miles/Hour	x 5280 Feet/Mile	/(3600 Seconds/Hour)		Scale Feet/Second	Seconds/SingleModule	Seconds/QuadModule
--------------------	--------------------	--------------------	--------	--------------------	--------------------	--------------------
80 MPH	= 422400 ft/hour	= 117 ft/sec	/160	0.73125	1 module in 1.4 sec	4' in 5.47 sec
75 MPH	= 396000 ft/hour	= 110 ft/sec	/160	0.68750	1 module in 1.5 sec	4' in 5.81 sec
60 MPH	= 316800 ft/hour	= 88 ft/sec	/160	0.55000	1 module in 1.8 sec	4' in 7.27 sec
45 MPH	= 237600 ft/hour	= 66 ft/sec	/160	0.41250	1 module in 2.5 sec	4' in 9.7 sec
30 MPH	= 158400 ft/hour	= 44 ft/sec	/160	0.27500	1 module in 3.7 sec	4' in 14.54 sec
15 MPH	= 79200 ft/hour	= 22 ft/sec	/160	0.13750	1 module in 7.4 sec	4' in 29.09 sec
					310mm=12.205"=1.02'

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