--- In [email protected], Edward Sauers <ehsauers1@...> wrote: > > Dick / Terry > > Thanks for the info, I should have defined my situation in more detail. The > 30 > radius is in 2 legs of a turn-around why which is on my branchline, the > largest > loco will be a SHS 280 and there will typically only be (1) 72' combine in > the > branchline trains so I think I will be OK using this radius in this section > of > my layout.
As an addition to my comments, a turnout consistutes an easement curve. However, the track for 2-3 inches beyond the points must be straight, as this is part of the easement. AbBaird > > Thanks > > Ed Sauers > > > > > ________________________________ > From: Richard Karnes <rnk2202@...> > To: [email protected] > Sent: Sun, February 6, 2011 2:06:44 PM > Subject: {S-Scale List} Re: Minimum radius question > > Â > Ed et al -- > > The short answer is "maybe." 72-foot cars with body-mounted couplers will do > OK > on 30" curves as long as the nearest parallel track is at least 3-3/4 inches > away, centerline to centerline. The problem comes where the curve meets the > straight. You will need transition curves (spiral easements) offset by about > 3/4 inches, easily achieved by using a three-foot .172 rail as a spline > against > which to draw the easement centerline. No calculations required. > > Dick Karnes > > [Non-text portions of this message have been removed] > > > > > > > > [Non-text portions of this message have been removed] > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
