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Author Topic: Accucraft Ragleth  (Read 1194 times)

jerseysteam

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Re: Accucraft Ragleth
« Reply #30 on: April 28, 2019, 10:55:46 am »
Quote from: MrandMrsferrysteam on April 28, 2019, 10:51:52 am
It's just an overflow valve, I blow the boiler down at the end of a run though the displacement lubricator, it clears all the old oil out and cleans it...Allan.

That makes better sense to me. Thanks!
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Dave

jerseysteam

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Re: Accucraft Ragleth
« Reply #31 on: May 08, 2019, 06:44:56 pm »
Kitty received a Summerlands chuffer today. Following a 3 minute installation, it sounds really great and had a longer run time - 35min, up from 29 max previously.  8)
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Dave

Hero

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Re: Accucraft Ragleth
« Reply #32 on: May 10, 2019, 06:53:13 pm »
Quote from: jerseysteam on May 08, 2019, 06:44:56 pm
Kitty received a Summerlands chuffer today. Following a 3 minute installation, it sounds really great and had a longer run time - 35min, up from 29 max previously.  8)

Well done! Didn't know that a chuffer could make that much of a difference.
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Bob

jerseysteam

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Re: Accucraft Ragleth
« Reply #33 on: May 11, 2019, 09:44:13 am »
It's also possible that I just happened to have everything dialed-in during the first run with the chuffer. Today's run was typical at 27 min.
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Dave

Chris Cairns

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Re: Accucraft Ragleth
« Reply #34 on: May 13, 2019, 02:29:10 pm »
What you are calling a blow down valve (which would normally be on the bottom of a boiler) is actually the water level check valve - a common feature on the generic Accucraft UK locos.

I have a Mark I Ragleth & like you I adopted the Roundhouse method of removing water from a full boiler - my Ragleth was rather fussy & needed just over 50 mls removed. To increase the length of a run I bring the loco up to working pressure, clear the cylinders of condensate, then turn off the gas & refill the gas tank. Accucraft locos suffer from a poor gas tank design (filler valve is above the gas outlet) thus can be prone to liquid gas being carried over initially - seems to affect the side tank mounted gas tanks like the Mark 1 Ragleth more than the cab mounted gas tanks like your Mark II). Having refilled the gas you now run the risk of boiling the boiler dry so I use a goodall valve & pump in more water about halfway during the run. You do not need a water sight glass to tell you how much to pump in - normally the pressure will have reduced quite a bit when you have put in enough, if you put in too much it will be pumped out the safety valve - been there, got the T shirt!

I fitted replacement Train Department regulator valves for both the gas & steam, and fitted radio control on the reverser only (one of the changes with the Mark II was making more space in the side tanks for 2 channel radio control). It does take a bit of getting used to by setting the steam regulator open just enough for the layout you are running on.

Chris Cairns
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