[modeleng] Re: Spark Arrestors
- From: "Jeff Dayman" <jeffdayman@xxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Mon, 16 Aug 2004 08:23:23 -0400
Maybe it's related to a particularly sooty batch of coal you happened to
use? I've seen a lot of variation in coals.
Cheers, Jeff Dayman Waterloo Ontario Canada
----- Original Message -----
From: "The Sheppard Residence" <peter@xxxxxxxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, August 16, 2004 3:33 AM
Subject: [modeleng] Spark Arrestors
> Yesterday I was running Mouland at the Lackham Museum and Woodland
> Railway.
>
> All was going well, then she lost steam and the fire refused to draw. I
> put the electric blower in and the fire picked up. It got to about
> 40psi and I removed the electric blower and went back to the steam
> blower. The fire went out!
>
> I dropped the fire, rebuilt it, and restarted using the electric blower.
> The fire picked up nicely. At about 35psi I swapped to the steam
> blower and a healthy fire disappeared!
>
> I opened the smokebox door up and there was a good blast of steam from
> the blower. It was then I realised that some of the steam was coming
> back towards me. My original thought was a leaking blower steam pipe.
>
> However, it turned out that the blast from the cylinders (carrying with
> it some oil laden soot particles) had blocked the arrestor directly
> above the blast pipe and when the blower was put on, the steam was just
> rebounded off this soot and went back down the tubes onto the fire.
>
> Once cleared it was OK.
>
> I've had this arrestor in place for at least a year, it gets cleaned
> after every run, but this is the first time that after what what a very
> short time after steaming up, it got blocked.
>
> What size mesh to other people use in a 7.25" locomotive? (Is size of
> the locomotive important?) Has anybody else had this problem?
>
> Regards
>
> Peter
>
> MODEL ENGINEERING DISCUSSION LIST.
>
> To UNSUBSCRIBE from this list, send a blank email to,
> modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject
line.
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.
Other related posts:
