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Help Needed -- Can I use an HO/HOn3 transition track on a turntable

dandrewscan All Messages By This Member #27368 Good Day folks and thanks in advance if you can help me on this one. I am installing a Mil Scale 65 foot turntable on my HO / HOn3 layout.? Can I use a Shinohara HO HOn3 transition track on the turntable to handle both HO and HOn3 locos back onto the layout tracks after I have turned them? HO should be no problem -- it is the HOn3 that I am not sure about.? I am using good old fashioned DC to power all the track on this "Old School" layout.? I already looked on Google and most of the previous discussion on dual gauge turntables was set on using 4 rails. Again -- thanks in advance for any help you can offer. Please email back to the group or to me directly at dandrews1@....
William Uffelman All Messages By This Member #27369 You will want the HOn3 rails to be centered on the HO rails so that they will align with the 4 rails on your turntable. If you do not have a 4 rail bridge and approach the rails will not align when you turn an HOn3 loco 180* You could have an HOn3 only approach track that will align with the 4 track bridge as another option. Bill Uffelman On Tuesday, May 21, 2019, 11:57:20 AM PDT, dandrewscan <dandrews1@...> wrote: Good Day folks and thanks in advance if you can help me on this one. I am installing a Mil Scale 65 foot turntable on my HO / HOn3 layout.? Can I use a Shinohara HO HOn3 transition track on the turntable to handle both HO and HOn3 locos back onto the layout tracks after I have turned them? HO should be no problem -- it is the HOn3 that I am not sure about.? I am using good old fashioned DC to power all the track on this "Old School" layout.? I already looked on Google and most of the previous discussion on dual gauge turntables was set on using 4 rails. Again -- thanks in advance for any help you can offer. Please email back to the group or to me directly at dandrews1@....
Archibald Campbell All Messages By This Member #27370 开云体育 You can have four tracks on a turntable with all bridge tracks accessible to all layout tracks provided that all tracks are radial at the boundary.? This requires some distortion.??As the tracks on the bridge need to far enough apart the spacing at the boundary will need to be wider than normal and similarly the layout tracks will also need to be radial which is bad news if you want?parallel tracks but?not so bad otherwise. Archie toggle quoted message Show quoted text From: [email protected] <[email protected]> on behalf of William Uffelman via Groups.Io <ufffam@...> Sent: 21 May 2019 20:20 To: [email protected] Subject: Re: [small-layout-design] Help Needed -- Can I use an HO/HOn3 transition track on a turntable ? You will want the HOn3 rails to be centered on the HO rails so that they will align with the 4 rails on your turntable. If you do not have a 4 rail bridge and approach the rails will not align when you turn an HOn3 loco 180* You could have an HOn3 only approach track that will align with the 4 track bridge as another option. Bill Uffelman On Tuesday, May 21, 2019, 11:57:20 AM PDT, dandrewscan <dandrews1@...> wrote: Good Day folks and thanks in advance if you can help me on this one. I am installing a Mil Scale 65 foot turntable on my HO / HOn3 layout.? Can I use a Shinohara HO HOn3 transition track on the turntable to handle both HO and HOn3 locos back onto the layout tracks after I have turned them? HO should be no problem -- it is the HOn3 that I am not sure about.? I am using good old fashioned DC to power all the track on this "Old School" layout.? I already looked on Google and most of the previous discussion on dual gauge turntables was set on using 4 rails. Again -- thanks in advance for any help you can offer. Please email back to the group or to me directly at dandrews1@....
Stephan Wintner All Messages By This Member #27371 Seems to me that four tracks, centered, on the turntable would be best.? But 3 tracks on the turntable could also work. If the turntable had 3 straight rails, you would need 4 tracks on the approach, and some sort of crossover to get back down to 3, or 2. It'd be simplest to have a dedicated narrow gauge approach track, then you merge 4 into 2 using essentially a turnout,? but which only partially diverges. I suppose you could have a pair of approach and departure tracks with a regular turnout too, and simply turn by 170 degrees rather than 180. Alternately, the turntable could have a sort of crossover built into it, using 2 frogs and no moving parts. Then approach tracks are simple, 2 or 3 rails, and everything is straight at the edge of the turntable. Steve
Bruce Wilson All Messages By This Member #27372 California State Railroad Museum dual gauge turntable It is the only link I have so unfortunately if you are not on FB you won't see it.? Googling might help Bruce Wilson Barrie, Ontario, Canada Life Member NMRA Member Scale 7 Group Gauge 0 Guild 7mmNGA Member Bird Studies Canada Ontario Bird Banding Association Nature Barrie Simcoe County Banding Group toggle quoted message Show quoted text On 5/23/2019 15:12, steve_wintner via Groups.Io wrote: Seems to me that four tracks, centered, on the turntable would be best. But 3 tracks on the turntable could also work. If the turntable had 3 straight rails, you would need 4 tracks on the approach, and some sort of crossover to get back down to 3, or 2. It'd be simplest to have a dedicated narrow gauge approach track, then you merge 4 into 2 using essentially a turnout,? but which only partially diverges. I suppose you could have a pair of approach and departure tracks with a regular turnout too, and simply turn by 170 degrees rather than 180. Alternately, the turntable could have a sort of crossover built into it, using 2 frogs and no moving parts. Then approach tracks are simple, 2 or 3 rails, and everything is straight at the edge of the turntable. Steve
Bruce Wilson All Messages By This Member #27373 开云体育 I found a youtube video of the CSRM turntable Bruce Wilson Barrie, Ontario, Canada Life Member NMRA Member Scale 7 Group Gauge 0 Guild 7mmNGA Member Bird Studies Canada Ontario Bird Banding Association Nature Barrie Simcoe County Banding Group On 5/23/2019 15:12, steve_wintner via Groups.Io wrote: toggle quoted message Show quoted text Seems to me that four tracks, centered, on the turntable would be best.? But 3 tracks on the turntable could also work. If the turntable had 3 straight rails, you would need 4 tracks on the approach, and some sort of crossover to get back down to 3, or 2. It'd be simplest to have a dedicated narrow gauge approach track, then you merge 4 into 2 using essentially a turnout,? but which only partially diverges. I suppose you could have a pair of approach and departure tracks with a regular turnout too, and simply turn by 170 degrees rather than 180. Alternately, the turntable could have a sort of crossover built into it, using 2 frogs and no moving parts. Then approach tracks are simple, 2 or 3 rails, and everything is straight at the edge of the turntable. Steve
Stephan Wintner All Messages By This Member #27374 I created a sketch of the turntable with crossover idea, attached. You'd need the guardrails, else it won't work. NG would? derail every time. But that would be a simple approach, the more I think about it. Electrically as well as mechanically. Steve
Chris Webster All Messages By This Member #27375 On 5/21/19 1:29 PM, dandrewscan wrote: Good Day folks and thanks in advance if you can help me on this one. I am installing a Mil Scale 65 foot turntable on my HO / HOn3 layout.? Can I use a Shinohara HO HOn3 transition track on the turntable to handle both HO and HOn3 locos back onto the layout tracks after I have turned them? The Narrow Gauge Discussion Forum has several past discussions about the "swish" used to connect dual gauge track to a turntable with four rails on it.?? This Dick Bell post from December 14, 2012 shows how you can make a "swish" by cutting a Shinohar transition track in half: ,231469,231488#msg-231488 Hope that helps you! -- Chris Webster

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