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  1. #11
    Join Date
    Jun 2015
    Posts
    1,772

    Default Re: How to fix a duff battery!

    At last - a clear demonstration of the fact that a single microfibre in the condensate from a tumble dryer will kill a battery in seconds.

  2. #12
    Join Date
    Apr 2005
    Location
    Shropshire
    Posts
    8,958

    Default Re: How to fix a duff battery!

    Just makes you realise there's nothing complicated in a lead acid battery. Just lead plates and sulphuric acid. It's worth rebuilding one in Pakistan because labour is cheap (and there's no inconvenient safety regulations).

  3. #13
    Join Date
    Mar 2005
    Location
    East Sussex.
    Posts
    21,497

    Default Re: How to fix a duff battery!

    Quote Originally Posted by ghostlymoron View Post
    Just makes you realise there's nothing complicated in a lead acid battery. Just lead plates and sulphuric acid. It's worth rebuilding one in Pakistan because labour is cheap (and there's no inconvenient safety regulations).
    Given the lack of respirators I think those men lung damage, and from handling lead they will only have a few years at work before they suffer kidney damage from lead poisoning.
    Working on immortality - One day at a time.

  4. #14
    Join Date
    Jul 2009
    Location
    South Wales and Bristol Channel, UK
    Posts
    2,535

    Default Re: How to fix a duff battery!

    Brilliant video.
    In the aircraft industry, in the 70's, a common practice to revive batteries was to drain the sulphuric acid, flush them, check the plates for distortion, condition etc, fill them with acid and charge them at a very low rate for 4 to 5 days. Then carry out a series of tests over a seven days period. Very few batteries failed the tests.

  5. #15
    Join Date
    Apr 2005
    Location
    Shropshire
    Posts
    8,958

    Default Re: How to fix a duff battery!

    I was being ironic.
    Quote Originally Posted by Norman_E View Post
    Given the lack of respirators I think those men lung damage, and from handling lead they will only have a few years at work before they suffer kidney damage from lead poisoning.

  6. #16
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    20,983

    Default Re: How to fix a duff battery!

    Quote Originally Posted by anoccasionalyachtsman View Post
    At last - a clear demonstration of the fact that a single microfibre in the condensate from a tumble dryer will kill a battery in seconds.
    Good call.

    Richard

  7. #17
    Join Date
    Jul 2003
    Location
    West Australia
    Posts
    11,697

    Default Re: How to fix a duff battery!

    Fascinating video. Back in around 1966 there was a company near Perth that did just that on a commercial scale in a small factory. I guess they disappeared from OH and S concerns and competition from new battery makers. I presume from the video he was using new plates. Presumably cast from lead. Also new separators from plastic. Or can you use old separators. Some of these 3 rd world country people can be very ingenious in their vehicle maintenance. ol'will

  8. #18
    Join Date
    Nov 2013
    Location
    Perth WA
    Posts
    2,318

    Default Re: How to fix a duff battery!

    I'm busy collecting lead for the yacht I'm building. I've just about got it all but I was given a very large truck battery so I decided to melt it down. Amazingly (through trial and error) I dismantled the battery the same way as he did but it took me half a day not a couple of minutes as he did in the clip.

    I waited for a strong wind to blow the fumes away from my property but the lead would not melt. (I finished up with a whole lot of very heavy gravel like material)
    Last edited by coopec; 08-11-19 at 00:55.

  9. #19
    Join Date
    Sep 2001
    Location
    Me - Zumerzet Boat - Wareham
    Posts
    12,344

    Default Re: How to fix a duff battery!

    Fascinating!
    MontyMariner.co.uk
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  10. #20
    Join Date
    Nov 2013
    Location
    Perth WA
    Posts
    2,318

    Default Re: How to fix a duff battery!

    I bet Elon Musk is shaking in his boots!
    https://www.youtube.com/watch?v=qkv1nwcOOaA

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