Dog Star
Western Thunderer
Apologies for a question about the prototype....
I have a copy of the LNWR Switch & Crossing drawings which were published in the report on the 1900 International Railway Congress (held in Paris). Those drawings show 14" timbering and, for a diamond, five timbers under the obtuse crossing. The available 7mm diamond template from Exactoscale represents the post 1923 timber arrangement of the LNER (aka REA) standard and on the template the obtuse crossing sits on seven 12" timbers. The difference between these two standards is vsible in 7mm scale and, if appropriate, might need to be modelled.
I am aware that the LNWR issued switch and crossing drawings at several times in the period 1900-1915 and, the turnout drawings show that the LNWR did revise turnout details between 1900 and date of issue (typical changes include moving from 14" timbers to 12" timbers and lengthening the splice and point rails of the common crossing). From what I know about the turnout changes I feel that the LNWR turnout practice circa 1910 is pretty close to the post-group REA standards.
Now the (fishplate) spanner in the works... I do not have any information about what changes, if any, were made to details of LNWR obtuse crossings in the period 1900-1915 - and a diamond is the piece of trackwork which is under construction at this time (see "Hartley Hills" in Layout forum).
Any WT-ers who model the LNWR and can help with the number of timbers under the obtuse crossing as per new work circa 1910? (and hence to the specifications of the S&C drawings issued after 1910). Or possibly confirm that the LNWR practice circa 1910 is similar to post-group REA standards?
thank you, Graham
I have a copy of the LNWR Switch & Crossing drawings which were published in the report on the 1900 International Railway Congress (held in Paris). Those drawings show 14" timbering and, for a diamond, five timbers under the obtuse crossing. The available 7mm diamond template from Exactoscale represents the post 1923 timber arrangement of the LNER (aka REA) standard and on the template the obtuse crossing sits on seven 12" timbers. The difference between these two standards is vsible in 7mm scale and, if appropriate, might need to be modelled.
I am aware that the LNWR issued switch and crossing drawings at several times in the period 1900-1915 and, the turnout drawings show that the LNWR did revise turnout details between 1900 and date of issue (typical changes include moving from 14" timbers to 12" timbers and lengthening the splice and point rails of the common crossing). From what I know about the turnout changes I feel that the LNWR turnout practice circa 1910 is pretty close to the post-group REA standards.
Now the (fishplate) spanner in the works... I do not have any information about what changes, if any, were made to details of LNWR obtuse crossings in the period 1900-1915 - and a diamond is the piece of trackwork which is under construction at this time (see "Hartley Hills" in Layout forum).
Any WT-ers who model the LNWR and can help with the number of timbers under the obtuse crossing as per new work circa 1910? (and hence to the specifications of the S&C drawings issued after 1910). Or possibly confirm that the LNWR practice circa 1910 is similar to post-group REA standards?
thank you, Graham