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I Know I seen a message some where that explained this but I checked the tutorials I downloaded and can't find a mention.I recieved the information from my new friend in Germany and now have the grade diagram and a map of where the line runs.Most of the grades he says are 1:60 so if you can explain it to me I would be glad. Lugi has made the nice spread sheets that will create curves easy, is there any way to create crossing just as easy on curves, different road surfaces and specially for narrow guage, maybe another ideat for Lugi to tackle ?.Not trying to put you on the spot Lugi.Tom
Crossings aren't too troublesome to do on curves. I just made a custom object for it, no big deal.I think a 1:60 means a one foot vertical climb for every 60 traveled horizontally. That's a bit of a rough grade for a train. I'm not certain that that is correct though.Tim Frost NVTA Subway routes for BVE: http://nvta.co.uk The Union Atlantic Railroad: Your stuff's important! http://union-atlantic.com
>I Know I seen a message some where that explained this but I > > Lugi has made the nice spread sheets that will create >curves easy, is there any way to create crossing just as >easy on curves, different road surfaces and specially for >narrow guage, maybe another ideat for Lugi to tackle ?. > >Not trying to put you on the spot Lugi. > >Tom He he ... it's too difficult for me: mostly becouse of the frog's position in the switch. In FGC line switches have been simply built using single rail elements partially overlapping... and needles are manually "arranged" shifting their Y parameters to simulate the divarication. Not a perfect result by sure, but it's all what I can do!For the 1:60 thing, I thik that we can do this proportion: 1/60 = X/1000 so the pitch value per thousand of the track for Bve is 1000/60 = 16.67 (approx).Cheers. Luigi Cartello http://web.tiscali.it/lcartello/
In other words, if you're using a calculator, let's solve for X:60X=(1)(1000) 60X = 1000X = 1000/60Now for the reverse,I know of a stretch of tunnel with a 4.25% downgrade (that's percent, not permil*)It's just a reduction of a fraction(4.25)/(100) = 425/10000 = 17/400 to put it in terms of 1, just take the reciprocal of the fraction 17/400, which is 400/17, and then take the reciprocal of the result. By doing this, you get approximately 1/23.53, so on this downgrade of 4.25%, you have a gradient of 1 in approximately 23.5.*an easier way to say "per thousand."-Robert Marrero
