There's a couple of ways to do it.
Read my site... TRAINS...MOTIVE POWER....ARISTO...PRIME MOVER BASICS.
Regards, Greg
Visit my site: http://www.elmassian.com - lots of tips on locos, rolling stock and more.
Click here for Greg's web site
Back to back distance between wheels is about 1/32 inch to thight. Aristo said: NO CAN DO to corect this problem....Anyone can help?
Get the Garden Railways newsletter delivered to your inbox twice a month