Thread History
[DRGW] Track Standards john.p.johnson@vcn.c... [DRGW] (DRGW@yahoogroups.c...) 2017-03-10 03:34:32
[DRGW] Re: Track Standards markwmhemphill@yahoo.c... [DRGW] (DRGW@yahoogroups.c...) 2017-03-10 04:52:10
[DRGW] Re: Track Standards jdroste2@bigpond.c... [DRGW] (DRGW@yahoogroups.c...) 2017-03-10 04:53:52
[DRGW] Re: Track Standards markwmhemphill@yahoo.c... [DRGW] (DRGW@yahoogroups.c...) 2017-03-10 16:13:08
[DRGW] Re: Track Standards markwmhemphill@yahoo.c... [DRGW] (DRGW@yahoogroups.c...) 2017-03-10 16:41:33
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Message
From: markwmhemphill@yahoo.c... [DRGW] (DRGW@yahoogroups.c...)
Date: 2017-03-10 04:52:10
Subject: [DRGW] Re: Track Standards

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Hook bolts are applied to every fourth tie (sometimes every third). &nbsp;The hook goes under the flange of the longitudinal floor beam. The bolt goes through a drilled hole in the ends of the ties. Malleable washers are used. &nbsp;Note that the ties are dapped to keep them from sliding transversely in relation to the steel floor beams.<div><br></div><div>Here&#39;s a link to a drawing of a standard hook bolt and malleable washer in current-day use. &nbsp;</div><div><br></div><div><a rel="nofollow" target="_blank" href="http://unitedsteelandfasteners.com/usfrr/tietimberbridge.htm">http://unitedsteelandfasteners.com/usfrr/tietimberbridge.htm</a><br></div><div><br></div><div>&nbsp;A bridge used by heavy steam locomotives or later construction would have had bolts of 1&quot; size.</div><div><br></div><div>In the morning I think I can obtain some standard drawings (not D&amp;RGW, but close) and post them.</div><div><br></div><div>Mark Hemphill</div><div class="ygroups-quoted"><br><br>---In DRGW@yahoogroups.c..., &lt;john.p.johnson@...&gt; wrote :<br><br><div id="ygrps-yiv-302358906">Hi All:<br>New member.&nbsp; Two items.<br>1.&nbsp; I have the track standsards reprints from the Colorado Railroad Museum for the D&amp;RGW,&nbsp; but they lack a lot of critical data.&nbsp; I am a rail road modeler (read that literally) and am looking for a section foremans handbook from the 40s-50s.&nbsp; These were issued to each section foreman and had all the company standards for trackwork.&nbsp; They were company property and of a loose leaf format so they could be updated.&nbsp; These handbooks were updated around 1964 to remove all references to the narrow gauge and dual gauge trackwork.&nbsp; Are there any survivors and how can one get copies.&nbsp; I model in Proto:48 and am unable to get any drawings for dual gauge turnouts.<br><br>2.&nbsp; I am buliding a new deck assembly for an Overland Pratt truss bridge for our groups (Colorado O Scale Modelers) LT&amp;N portable layout.&nbsp; Pictures of progress can be found on our website <a rel="nofollow" target="_blank" href="http://www.coloradooscale.org">www.coloradooscale.org</a><br>How is the deck structure (ties and rail assembly) secured to the steel structure of the bridge itself? Extensive google searches don&#39;t reveal much information other than a vague reference to &quot;J&quot; or hook bolts.&nbsp; What size bolt?&nbsp; What spacing?&nbsp; Who knows?<br><br>Thanks for any help.<br>John P. Johnson&nbsp; co-chairman Colorado O Scale Modelers<br><br><p><span><br class="ygrps-yiv-302358906yui-cursor"></span></p></div></div>



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