franco-crosti boiler

This topic has 3 replies, 3 voices, and was last updated 2 September 2012 at 06:05 by Springbok.

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1 September 2012 at 19:46 #97598
billyboy
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@billyboy
i want to make over a 3 1/2" g netta with a franco-crosti boiler. do members have ideas drawings ?
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1 September 2012 at 19:46 #22198
billyboy
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@billyboy
netta
1 September 2012 at 20:02 #97601
MICHAEL WILLIAMS
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@michaelwilliams41215
Do you mean an actual working Franco-Crosti boiler or just an external resemblance of one ?
2 September 2012 at 06:05 #97613
Springbok
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@springbok
Ten of the BR Standard Class 9F locomotives, Nos 92020-9, were built with Franco–Crosti boilers in 1955. Like the German 50.40 these were 2–10–0 tender locomotives with a single feedwater heater under the main boiler.^[1]

The standard funnel was retained, but was only used for lighting-up and was blanked when running. The final chimney was located on the right-hand (fireman's) side, just forward of the firebox. The Crosti preheaters provided less improvement than had been expected, and were a problem for maintenance, owing to acidic fluegases condensing in the feedwater heater and causing corrosion. All were converted back to a more standard form within a few years, the preheaters remaining in place, but blanked off

Bob
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franco-crosti boiler

franco-crosti boiler

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