Re-light an oil burner

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Emfinger
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Re-light an oil burner

Post by Emfinger » Sun Dec 15, 2019 12:15 pm

Hello, I have a 2-4-2 oil burner that has a spark plug in the center of the firebox. My question is what can I use to spark the plug and will it re-light the oil spray?
Thank you
Tom

jcbrock
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Re: Re-light an oil burner

Post by jcbrock » Sun Dec 15, 2019 12:34 pm

You basically have to recreate an automotive ignition, you can search around on the internet for more examples but here is one: https://www.instructables.com/id/Simple ... -to-spark/. You can probably replace the points with a normally-closed pushbutton.

In my opinion it is safer to stop, vent things with the blower, and relight using a wick, but I guess many people do use the sparkplug to do a 'rolling relight'. It's safer than lighting off the bricks anyway.
John Brock

Emfinger
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Re: Re-light an oil burner

Post by Emfinger » Sun Dec 15, 2019 12:45 pm

Interesting, do you think it will re-light? Using a normally closed button I think the battery will die in a short time. I don't know where I would put a car battery. Thanks for the reply.

jcbrock
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Re: Re-light an oil burner

Post by jcbrock » Sun Dec 15, 2019 2:24 pm

You're probably right, a momentary contact pushbutton would probably do the job and not drain the battery. My thought was the circuit needs to be closed to charge the coil and opened to create the spark, but it'll likely charge fast enough through the momentary contact.
John Brock

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FLSTEAM
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Re: Re-light an oil burner

Post by FLSTEAM » Sun Dec 15, 2019 2:54 pm

I used a commercial spark plug igniter connected to a Ford spark generator. Worked fine a short time but in the same short time the oil fouled the plug. Simple solution is to carry a propane torch with push button start. As it turns out after firing for several years on oil I have learned how not to put the fire out. Now about the only time I do it is because I left the injector on and the atomizer pulls over water.

I forgot that I also have an oil firing style door with a hole in the middle. The torch fits right thru and bingo your alive again.

John B
http://www.ngshay.com/
Shay drawings and castings

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Peter Crisler
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Re: Re-light an oil burner

Post by Peter Crisler » Sun Dec 15, 2019 3:54 pm

Emfinger wrote:
Sun Dec 15, 2019 12:15 pm
Hello, I have a 2-4-2 oil burner that has a spark plug in the center of the firebox. My question is what can I use to spark the plug and will it re-light the oil spray?
Thank you
Tom
You might look at this site.

http://www.model-engine-plans.com/

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Dave_Johnson
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Re: Re-light an oil burner

Post by Dave_Johnson » Sun Dec 15, 2019 8:17 pm


Glenn Brooks
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Re: Re-light an oil burner

Post by Glenn Brooks » Sun Dec 15, 2019 11:01 pm

I wonder if you could just use a push to spark thingy out of an old BBQ?

If you need more horsepower a match and can of WD - 40 would shoot a
Nice flame into the Smokebox.

Glenn
Moderator - Grand Scale Forum

Motive power : 1902 A.S.Campbell 4-4-0 American - 12 5/8" gauge, 1955 Ottaway 4-4-0 American 12" gauge

Ahaha, Retirement: the good life - drifting endlessly on a Sea of projects....

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Dave_Johnson
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Re: Re-light an oil burner

Post by Dave_Johnson » Sun Dec 15, 2019 11:22 pm

Piezo lighters will work on propane, but not oil.

John Hasler
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Re: Re-light an oil burner

Post by John Hasler » Sun Dec 15, 2019 11:26 pm

jcbrock wrote:
Sun Dec 15, 2019 2:24 pm
You're probably right, a momentary contact pushbutton would probably do the job and not drain the battery. My thought was the circuit needs to be closed to charge the coil and opened to create the spark, but it'll likely charge fast enough through the momentary contact.
Think about how quickly it has to recharge after each spark in an engine.

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NP317
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Re: Re-light an oil burner

Post by NP317 » Mon Dec 16, 2019 1:30 am

Consider using a handheld electric arc lighter:
https://smile.amazon.com/gp/product/B07 ... UTF8&psc=1

I just purchased several for use at home and to try using it for the steam atomized oil-fired boiler on my steam launch, and for my propane fired locomotives.
The 1/8" long arc runs as long as you press the ON button.
RussN

Emfinger
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Re: Re-light an oil burner

Post by Emfinger » Mon Dec 16, 2019 6:51 am

Thanks everyone I know a model "T" coil will make a hot spark, just don't have any room for a battery. I purchased a BBQ lighter...not much of a spark.
Tom

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