If the Mike is the Aster Mikado, which is alcohol fired, you will need the
exhaust nozzle to be low down so that it can provide draught for the fire.
So if you raise the nozzle, you may get into problems of not enough fire.
the SR24 is I think gas-fired so draft from the exhaust is not needed,
Peter Trounce.
----------
> From: VR Bass <[EMAIL PROTECTED]>
> To: Multiple recipients of sslivesteam <[EMAIL PROTECTED]>
> Subject: Re: Mikado exhaust
> Date: Wednesday, February 28, 2001 11:38 AM
>
> > I run a Mikado and a SR #24 and have noticed that the #24
> > always has a steam plum out of the stack while the Mikado seldom
> > does. You can put your hand over the Mikado stack while running
>
> Just stick in your thumb and pull out a plum. :-)
>
> Seriously, Roundhouse uses an extension tube to carry the exhaust up to
the
> top of the stack without mixing with the smokebox gases. The exhaust is
> presumably colder than the flue gases, so the steam is closer to
condensing
> coming out of the cylinders. If it mixes with the flue gases, it's
reheated and
> the water stays gaseous longer, giving it time to disperse before it
> condenses.
>
> So, next question is "what's the exhaust arrangement on the Mikado?"
Does
> it have an exhaust nozzle at the bottom of the smokebox, or something
> similar? If so, then that's probably the problem. Can you cobble up
> something like the RH exhaust extension? Don't know -- I'll leave that
one for
> those who have a Mike to examine in person.
>
> regards,
> -vance-
>
> Vance Bass
> Albuquerque, New Mexico, USA
> Small-scale live steam resources: http://www.nmia.com/~vrbass
