5″ gauge fire hole

This topic has 4 replies, 2 voices, and was last updated 14 March 2014 at 13:43 by julian atkins.

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13 March 2014 at 20:11 #146994
nigel jones 5
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@nigeljones5
I want a square fire hole, its on a pretty small boiler 6" diameter – is there a proven best size?
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13 March 2014 at 20:11 #7080
nigel jones 5
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@nigeljones5
13 March 2014 at 22:27 #147013
julian atkins
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@julianatkins58923
i am doing an oblong firehole for my current loco boiler, a 5"g LBSCR terrier. this is true to prototype on my loco. i will turn the ends of copper 10swg firehole tube in the lathe then anneal and form to the size and shape i want.

have a look at Don Young's NEWPORT design in 7.25"g which has the same type of firehole shape.

cheers,

julian
14 March 2014 at 00:27 #147022
nigel jones 5
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@nigeljones5
thanks Julian, but what are the dims?
14 March 2014 at 13:43 #147054
julian atkins
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@julianatkins58923
depends on how good you are at firing, and what size shovel! last boilers in 5"g i made used 1.5" OD x 1.25"ID copper tube
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5″ gauge fire hole

5″ gauge fire hole

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