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11
Lister Based Generators / Re: ST2 starter battery replacement
« Last post by BruceM on November 25, 2021, 08:04:54 PM »
AGM batteries have a lower self discharge rate so might help, but make sure there is no current drain on the battery via a sensitive DC clamp on ampmeter.  You shouldn't have to go AGM for a starter battery, but I use my retired home/shop 12V AGM 100AH battery for my Listeroid.  I retire them to the Listeroid, with solar charger at 5 years.  They may still have move capacity than needed for that application, since starting is via air motor.  They die at about 10 years or so.

These clamp on DC/AC amp meters are cheap and work fairly well and can measure very small DC currents: https://www.amazon.com/gp/product/B07P5QKQ5L/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

You can also check the charging current easily with it.

An old lead acid battery may have a high self discharge rate, and it sounds like that's your problem, but I'd want to be sure before killing a replacement battery.
Taking out the battery and keeping it on a trickle charger is best for lead acid battery life.  Solar panel and chargers work well as long as the panel is tilted to self clear of snow in a day or three, and the climate is suitable.  I use one on my Kubota tractor.  It's 7 year old battery loves it, since it's not used regularly.  If you aren't getting 5+ years from a starting battery, you're killing it...most often by sulphation (protracted undercharge).

A modern switch mode low current charger off the mains as Mikenash suggests is quite high efficiency and is certainly no more of a load on the engine than the stock alternator charging circuitry.  Fixing things is nice but it's a legitimate work around without penalty, especially if time and parts aren't available.

The cheapest $12 or less Chinesium on/off type solar charge controllers work well for your application; that's what I use for my Listeroid solar charger, with a roof mounted 40W PV panel.





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Lister Based Generators / Re: ST2 starter battery replacement
« Last post by mihit on November 25, 2021, 07:38:56 AM »
Fair comment.
But I'd rather fix the thing.
Although the losses may be low in converting rotation-ac-dc, especially with the new switchmode  chargers... it's still a loss,
...and I don't have the luxury of much "overhead"
...and the "local" store is a fair waysaway
...and it's one more "thing" to go wrong... I can re-wind an alternator and solder up a diode bridge if I have to. Beggared if I could fix the circuitry in a microchip controlled charger.
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Lister Based Generators / Re: ST2 starter battery replacement
« Last post by mikenash on November 25, 2021, 05:09:05 AM »
A battery Isolation key/switch would be simpler than "removing the battery"

Solar panels output more in cold weather...are you sure your charger is able to handle that and not cooking the batteries?

Any battery technology (VRLA, SLA, AGM, Wet Cell, even LiPo) will be fine as long as it has the CCA rating required. NONE of them like being drained and left undervoltage.

I'm not sure of the wiring setup on your ST, but it really should charge the battery when running, and if it doesn't then you should be putting a generator/alternator/rectifier on the unit, so it does.

Just a comment:  In my work we have lots of remote sites with generators.  From time to time one of them will lose the 12VDC side of their output and no longer charge the various batteries associated with the installation.  What we have done is simply go down to the local auto parts store, buy a single-phase battery charger, and plug it into one of the single-phase outlets of the genset

Simple solution often the best :)
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Other Slow Speed Diesels / Re: Another Bamford
« Last post by mihit on November 24, 2021, 07:29:12 AM »
That'll buff out :P
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Listeroid Engines / Re: Engine Timing
« Last post by mihit on November 24, 2021, 07:27:20 AM »
Always good when a plan comes together!
Thanks for posting, it might well help the next fulla that comes searching...
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Lister Based Generators / Re: ST2 starter battery replacement
« Last post by mihit on November 24, 2021, 07:25:13 AM »
A battery Isolation key/switch would be simpler than "removing the battery"

Solar panels output more in cold weather...are you sure your charger is able to handle that and not cooking the batteries?

Any battery technology (VRLA, SLA, AGM, Wet Cell, even LiPo) will be fine as long as it has the CCA rating required. NONE of them like being drained and left undervoltage.

I'm not sure of the wiring setup on your ST, but it really should charge the battery when running, and if it doesn't then you should be putting a generator/alternator/rectifier on the unit, so it does.
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Other Slow Speed Diesels / Re: More nice things
« Last post by dkmc on November 23, 2021, 05:09:32 PM »

Nice little engine, would be a good size to take to the shows. I never see any Lister diesels at any of the shows here in upstate NY
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Other Slow Speed Diesels / More nice things
« Last post by 38ac on November 23, 2021, 04:51:59 PM »
Nice thing about my little engine operation is the eye candy I get to both look at and work on. This VERY early 3/1 1932 or 33 was dropped off for me to tune up and fix a few things. I will get to it when I quit slobbering on it every time it get close.
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Changfa Engines / Re: Chang-chai and ST head, deal? Or no deal?
« Last post by veggie on November 23, 2021, 02:47:47 PM »

Runs very good !
Nice work.

Suggestion: an open air intake pointed upward is a dangerous arrangement for the engine.
I assume it's just temporary but be careful. Stuff a rag in it when not running.
A tiny piece of debris can mess things up  :)

My Changfa 195 leaked oil at the drain plug welds also. I had to remove it and get it brazed the same as you.

veggie
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General Discussion / Re: Lister B spec 11 engine
« Last post by cobbadog on November 23, 2021, 10:07:33 AM »
Very interesting story scalyback. I was not aware of those details so it would be a very rare engine if one ever turned up here in Oz.
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