Re: Wheel Rolling Needs


Nelson Moyer writes:

"Maximum grade on the mainline is 2.38%.
Minimum radius on the mainline is 48 inches.
Minimum on branch lines is 36 inches.
Frogs are mostly No. 9 on the mainline and minimum No. 7 elsewhere (turnouts are hand laid in place).
Rail is Code 83 on the mainline, mostly Code 70 in yards and on spurs and branch lines."

Excellent. 2.38% is certainly prototypical and while I prefer #10-12 frogs [ I run 4-12-2's ] the #9's are good as well. I also use 48" min radius and 36" on a hidden staging track. I use code 83 for mainline and 70 for frt yard tracks. I have to laugh. When I built my Laramie frt yd I wanted the ties sunk down into the ground so I hand laid the wood ties and the sanded them down to about half thickness. After hand laying the rails I discovered low profile ties.

Anyhow, the reason I asked about your club's grades/curve sizes was to point out that such sizes that you have help immensely with the need for weighted cars. I have no trouble at all running frt cars with very light weights because the broad curves don't encourage stringlining of frt trains. Of course, tomorrow...

Mike Brock

Join to automatically receive all group messages.