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EIM May 2019 – Martin Johnson's 7-inch Fowler wagon build project

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Many EIM readers have been following Martin Johnson's fascinating 7-inch Fowler design and build in recent editions. In the May 2019 issue (published on 18th April) he focuses on the design of the boiler. 

Martin has been studying methods of predicting boiler performance for the last few years and has developed a program for locomotive boiler analysis. This is attached to this post along with a summary of his findings. For more on the project, see the May issue!


Andrew Charman – Editor, Engineering in Miniature

LOCO BOILER 6B.xls DevelopmentofLocoBoiler.pdf

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  • 3 weeks later...


This is Martin.  Thanks for posting the files.  If anybody out there is interested in locomotive boiler design or needs help I would be pleased to discuss.  I have already helped a number of people modifying LBSC's original design for the Brittania, European chaps having to work with very thick waterways arouond the firebox, and so on.


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  • 5 months later...

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