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 Maximum grade on a switchback
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Author Previous Topic: Layout plans for G-Scale outdoor railway - Rough Topic Next Topic: Multi-deck layouts  

Toomanyscales
New Hire

Posted - 09/16/2005 :  12:21:34 PM  Show Profile
I am planning my new On30 layout and what is the maximum grade I can use on a switchback?
I will be using a shay and three gondolas maximun up to the mines. The first leg of the switchback is 36" long. 1 1/2" rise is 4% grade. Can I go more?

John

Country: | Posts: 19

ANo10
Fireman



Posted - 09/16/2005 :  2:37:38 PM  Show Profile
John,

I believe Shamus (Paul T) has a 7% grade on his On30 layout. I have a four level HO switchback and my maximum grade is 4%. My On30 loco's have no trouble negogiating it.

Jim



Country: USA | Posts: 2773 Go to Top of Page

ANo10
Fireman



Posted - 09/16/2005 :  2:37:38 PM  Show Profile
John,

I believe Shamus (Paul T) has a 7% grade on his On30 layout. I have a four level HO switchback and my maximum grade is 4%. My On30 loco's have no trouble negogiating it.

Jim



Country: USA | Posts: 2773 Go to Top of Page

brakie
Fireman

Premium Member


Posted - 09/18/2005 :  8:20:21 PM  Show Profile
Well,shays would feel at home on a 8% grade after all these hardy engines was built for claiming grades into logging and mining areas where rod engines couldn't go...


Country: USA | Posts: 6979 Go to Top of Page

brakie
Fireman

Premium Member


Posted - 09/18/2005 :  8:20:21 PM  Show Profile
Well,shays would feel at home on a 8% grade after all these hardy engines was built for claiming grades into logging and mining areas where rod engines couldn't go...


Country: USA | Posts: 6979 Go to Top of Page

Cigarguy
Fireman



Posted - 09/18/2005 :  11:18:52 PM  Show Profile
I would suggest that you try testing out some various grades to see what your engine(s) can handle. This can be on temporary track which isn't fastened down until you are sure that you have achieved the grade you want. Try a temporary track at 3%, 3.5%, 4%, 4.5%, etc. until you bog down your engines (as they pull cars up the grade). Keep in mind that plastic wheels roll harder than metal wheels, so use the same wheels for testing that you intend to use on the grade.

Mike
D&B Lumber Co.
"The Best Wood You Ever Saw!"

Country: USA | Posts: 3895 Go to Top of Page

Cigarguy
Fireman



Posted - 09/18/2005 :  11:18:52 PM  Show Profile
I would suggest that you try testing out some various grades to see what your engine(s) can handle. This can be on temporary track which isn't fastened down until you are sure that you have achieved the grade you want. Try a temporary track at 3%, 3.5%, 4%, 4.5%, etc. until you bog down your engines (as they pull cars up the grade). Keep in mind that plastic wheels roll harder than metal wheels, so use the same wheels for testing that you intend to use on the grade.

Mike
D&B Lumber Co.
"The Best Wood You Ever Saw!"

Country: USA | Posts: 3895 Go to Top of Page
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