class A on partial curve of O54

I have a couple of 072/054 curved switches on my layout. The switch is only about ~1/2 curve of 054.

Is the rear engine of your Williams A fixed, or is it articulated? My Lionel JLC Y6b has a fixed rear engine. As long as I take it slow, it can make it through the switch. As long as it passes without climbing the rails, you'll be OK.

Ross has an intermediate curve O60 something that I utilize on my 2nd level.  I have O72 next to the straights and the Ross smaller curves at the apex of the curve and all three of my articulates (Lionel BigBoy, EM1, and MTH Alleghany) plus my GG1, and Hudson PT tender all run on  that curve up to the top speed I run of 40 smph.  Many engines can run on a smaller radius curve because the vendors's testing procedures require the min radius curve specification to reflect a complicated turnout scenario.  Almost all my engines run on smaller curves than those recommended.

Cho Cho Wally posted:

My O72 layout has one short section of O54 to accommodate a curve and fit in with my elevated design so tracks below are clear of the supports. Will running the articulated Wms Class A cause any damage to the engine or wheels on the tighter section? It seems to clear the section O.K. Or do I need tp redesign/rebuild that section? Thanks.

Wally

If nothing derails or throws sparks or shorts out or hits obstructions, then it shouldn't be any problem whatsoever.  Go for it! 

Agree with Paul. Seems like you are good to go.

I've been running my scale Lionel Class A on 054 for years.  Not any problems whatsoever.

Fred Brenek posted:

I've been running my scale Lionel Class A on 054 for years.  Not any problems whatsoever.

How much of an overhang does it have?

Thanks everybody on the Class A on O54 curves. I’ll dig it back out of its giant box and “full steam ahead”. She’s a real looker and upgraded to PS3.0! 

Wally

Lou1985 posted:

Fred Brenek posted:

I've been running my scale Lionel Class A on 054 for years.  Not any problems whatsoever.

How much of an overhang does it have?

Probably more than it should.