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Offline cmh65  
#1 Posted : 17 May 2016 16:26:31(UTC)
cmh65

Sweden   
Joined: 17/05/2016(UTC)
Posts: 2
Location: Stockholms Lan, Stockholm
Someone who has a good equation to calculate the speed according to the 1:78
example : Train length 70 cm on 2.67 sec
Offline rmsailor  
#2 Posted : 17 May 2016 16:41:42(UTC)
rmsailor

Scotland   
Joined: 20/01/2006(UTC)
Posts: 570
Location: Kirkcaldy, Fife
If you have been brought up to use imperial measurement, one foot per second, or perhaps easier to measure ten feet in ten seconds, is almost a scale sixty miles per hour in HO.

Bob M
Offline lgbjohann  
#3 Posted : 17 May 2016 17:02:12(UTC)
lgbjohann

United States   
Joined: 28/01/2012(UTC)
Posts: 23
Bob,
Found this handy calculator for all scales plus a section where you can add your own scale. http://www.mcr5.org/articals/speed.php


Regards,
John
John
thanks 1 user liked this useful post by lgbjohann
Offline cmh65  
#4 Posted : 17 May 2016 18:42:53(UTC)
cmh65

Sweden   
Joined: 17/05/2016(UTC)
Posts: 2
Location: Stockholms Lan, Stockholm
Originally Posted by: cmh65 Go to Quoted Post
Someone who has a good equation to calculate the speed according to the 1:78
example : Train length 70 cm on 2.67 sec






Hello and Thanks:

24 inches in 1.87 sec scale mph 63.44 , and, scale km/h 101.51
Machine 74854 , + 6 parts (4423 Kklm 505 DB Ep.IV) •2-axle low-side wagon (without load) WITHLOAD Gravel.


good speed for a steam locomotive ?!


calculated with = http://www.mcr5.org/articals/speed.php



1.Select your Scale in the first column
2.Select distance loco has traveled in second column
3.Enter number of seconds you have timed and click button below


Scale Distance to travel Time to travel this distance in seconds:

Z (1:220) 2 inches
N (1:160) 4 inches
TT (1:120) 6 inches
HO (1:87) 12 inches
Results
inches/second
scale mph
scale km/h

S (1:64) 24 inches
O (1:48) 36 inches
G (1:22.5) 48 inches
other (1:)
Offline biedmatt  
#5 Posted : 17 May 2016 18:47:37(UTC)
biedmatt

United States   
Joined: 09/04/2012(UTC)
Posts: 1,343
Location: Southwest Ohio
Didn't Tom prduce a chart recently?

I didn't pay much attention sice I use this http://store.sbs4dcc.com...kIITrainSpeedometer.aspx
Matt
Era 3
DB lokos, coaches and freight cars from across Europe
But I do have the obligatory (six) SBB Krocs
ECoS 50200, all FX and MFX decoders replaced with ESU V4s, operated in DCC-RailCom+ with ABC brake control.
With the exception of the passenger wagens with Marklin current conducting couplers, all close couplers have been replaced with Roco 40397.
thanks 1 user liked this useful post by biedmatt
H0
Offline H0  
#6 Posted : 18 May 2016 08:17:51(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,265
Location: DE-NW
Originally Posted by: biedmatt Go to Quoted Post
Didn't Tom prduce a chart recently?
He did, didn't he?

https://www.marklin-user...-Calculations#post509127

Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
UserPostedImage
thanks 2 users liked this useful post by H0
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