Used Edrig

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Jamin
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Used Edrig

Post by Jamin » Tue May 18, 2021 11:02 pm

Hello,

I’ve just picked up a Accucraft Edrig today, owner said it’s not been run in a couple years, I’m just wondering what checks I should do before giving it a steam up?

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Re: Used Edrig

Post by PaulG » Wed May 19, 2021 8:16 pm

Have you run one of these before?

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Re: Used Edrig

Post by PaulG » Wed May 19, 2021 8:26 pm

If you go on youtube find the videos by "summerland steam" on steaming the Accucraft Ragleth, it's much the same as an Edrig.
I watched these films by Mr Bird before running my first live steam locos and found it helpful.

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Re: Used Edrig

Post by PaulG » Wed May 19, 2021 8:29 pm

P.S. this maybe stateing the obvious but these things get hot! May want to wear some gloves but not so thick they interfere with your dexterity.

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Re: Used Edrig

Post by Jamin » Thu May 20, 2021 4:26 pm

Probably should of said, be operated my grandad gauge 3 coal steam locomotives since I was 7, gas is just new to me. As there is no water gauge how do I know when to cut the gas off so I don’t run out of water?

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Lonsdaler
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Re: Used Edrig

Post by Lonsdaler » Thu May 20, 2021 6:09 pm

Jamin wrote: Thu May 20, 2021 4:26 pm Probably should of said, be operated my grandad gauge 3 coal steam locomotives since I was 7, gas is just new to me. As there is no water gauge how do I know when to cut the gas off so I don’t run out of water?
The gas supply should run out before the boiler empties. You can download the instruction manual here http://www.accucraft.uk.com/content/upl ... -EDRIG.pdf
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Jimmyb
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Re: Used Edrig

Post by Jimmyb » Fri May 21, 2021 9:04 am

Though not good practice, if the water runs out first, and you turn the burner off almost immediately it is unlikely that the short burst of heat on the empty boiler will damage it. However if this does occur, let it cool naturally DO NOT FILL WITH WATER whilst hot, the thermal shock will cause damage, and of course give it an inspection, and caution when next run, i.e. heat gently to pressure, check for leaks and check the safety valve works.

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Keith S
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Re: Used Edrig

Post by Keith S » Sat May 22, 2021 9:02 pm

I knew a guy whose Accucraft Countess would routinely run out of water before fuel. Nothing bad ever seemed to happen to it honestly, it would run out of puff and he'd walk over and turn off the gas. Just like Jimmy B said above, the only thing you can really do to wreck one of these modern copper single-flue boilers is to put water in it if it's been allowed to get red-hot inside by being run with no water.

I saw an article once in which one of these boilers was tested to destruction to simulate such a condition. The fire tube collapsed and the boiler shell bulged so that it resembled an American football; still it did not explode. You'd probably be badly scalded by steam flashing out the filler-hole though.

Honestly if there was anything to worry about safety-wise, they would provide the locomotives with a water-gauge.

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MRail
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Re: Used Edrig

Post by MRail » Sun May 23, 2021 7:31 am

As said above, it would run out of puff.
If there's no water, there's no steam.
No steam, no pressure!
Only heat damage to the metal.

Am I being too simple?
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Jimmyb
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Re: Used Edrig

Post by Jimmyb » Sun May 23, 2021 9:20 am

MRail wrote: Sun May 23, 2021 7:31 am As said above, it would run out of puff.
If there's no water, there's no steam.
No steam, no pressure!
Only heat damage to the metal.

Am I being too simple?
I don't think you are, running out of water with prolonged can only damage the metal, so handle with care.

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Re: Used Edrig

Post by Jamin » Mon May 24, 2021 12:33 pm

Ah okay, seems like I have nothing to worry about then, thank you all!

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