Blower sneezing. Bless you!

This topic has 3 replies, 2 voices, and was last updated 10 September 2019 at 21:22 by Bruce Newman.

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10 September 2019 at 16:36 #428425
Bruce Newman
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@brucenewman56212
Have built LBSC's Bat O gauge loco, it has become apparent that it needs a blower as when engine comes to halt due to lack of steam I can only get steam back up to pressure with an external blower. He talks about fitting a blower in the construction articles but made no provision for fitting one on the meth's fired boiler.

The only place I can access a steam supply is by fitting a slim banjo union under the steam dome screw and then I planned running a pipe down the outside and then inside the outer shell behind a splasher and running a pipe to the smoke box to a control valve inside the smokebox and then to a blower nozzle. I would run a control rod back between the outer shell and boiler and through the back plate to a control knob.

Looking for a blower valve design in LBSC's Shop shed and road he say's "not to run a blower pipe between inner barrel and outer shell, ( which I planned to do) or the engine will keep "sneezing" all the time the blower is in operation" Does anyone know why this would happen?
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10 September 2019 at 16:36 #26825
Bruce Newman
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@brucenewman56212
10 September 2019 at 17:31 #428441
Brian G
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@briang
Is Bat a Smithies boiler loco? I suspect he is only referring to locomotive type boilers where water might condense in an external blower pipe.

Brian
10 September 2019 at 21:22 #428485
Bruce Newman
Participant
@brucenewman56212
This is the boiler Brian, fortunately I added a steam dome about halfway along inner barrel when I made it.

He is referring to a pipe running between the inner and outer barrels so I assume external would be ok. Normally it would go through the boiler from back to front but the boiler is made and as it was a nightmare to make I at not altering it.
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Blower sneezing. Bless you!

Blower sneezing. Bless you!

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