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Fuseable Plug in Q1

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David Haynes	24/06/2010 00:51:34
168 forum posts 26 photos	Very interesting reading about the Q1 build. I note that a fuseable plug has been specified as an important feature. I think that there is no soft solder in the construction of the boiler so as I understand, this makes the fuseable plug redundant as the boiler now has a much higher failure temperature than if soft solder were used. What are your thoughts? Thanks Dave
KWIL	24/06/2010 08:57:16
3681 forum posts 70 photos	It is NOT related to soft solder used in construction, it is there to ensure protection IF the crown is not covered with water for whatever reason. There is enough confusion as to whether or not it is justified on our scales without clouding the issue by yet another alleged aspect against their use.
William Roberts	24/06/2010 15:14:00
27 forum posts	David, While ever the firebox crown is covered with water the plug is safe , I think it has the same effect as trying to solder a pipe while it has water in it im sure you know it cant be done. Regards Bill
David Haynes	25/06/2010 08:32:02
168 forum posts 26 photos	Thanks for these comments. Many well known small locomotives do not have fuseble plugs (I think Metro, Rob Roy, Mona, Tich... ), would it therefore be an improvement to fit one during construction? Thanks, Dave

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