Vapalux 300x fount repair

Discussion in 'Fettling Forum' started by Gareth Shepherd, Jun 19, 2020.

  1. Gareth Shepherd

    Gareth Shepherd United Kingdom Subscriber

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    I've recently acquired a Vapalux 300x, but the fount has a crank. I plan on doing a repair on it to enable me to do a full restoration on it.

    I guess this is just one of those things that well all end up dealing with at some time or another. I'll keep you posted

    20200619_052920.jpg 20200619_052034(0).jpg
     
  2. AussiePete

    AussiePete United States Subscriber

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    @Gareth Shepherd
    That’s a doozy of a crack, quite bizarre.
    Usually cracks, stress cracks, run vertically up through the fount’s wall.
    Good luck with this one, please keep us posted on this one.
    Cheers
    Pete
     
  3. Henry Plews

    Henry Plews Subscriber

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    It certainly is and most unusual for an early VAPALUX of any persuasion.

    @Gareth Shepherd ; have you formulated a plan of attack ?

    Henry.
     
  4. JEFF JOHNSON

    JEFF JOHNSON United Kingdom Subscriber

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  5. Gareth Shepherd

    Gareth Shepherd United Kingdom Subscriber

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    Thanks for your replies. The plan of attach @Henry Plews is to strip it all back and check it all properly. Hopfully I wont find any more horrors!

    Tha is for the link @JEFF JOHNSON that's a very neat repair on the link you shared. I think I once I've stripped it all back, I'll end up doing a similar repair.

    I'll post more pics once it's been stripped down. [-o<
     
  6. Henry Plews

    Henry Plews Subscriber

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    @Gareth Shepherd There are quite a few here that have saved lamps from the scrap heap by using the method shown in @JEFF JOHNSON 's link.

    Your lantern has an inverted base plate and the crack is very much in the vicinity of the top of it, so do make sure the inside of the tank is also scrupulously clean, you don't want contaminants seeping into the joint and spoiling the job. You may also wish to run some liquid flux e.g. Bakers Soldering Fluid around the (inside of the) affected area.

    This topic is totally unrelated but have a look about half way down where @Anthony has posted an image of the two ways in which base plates are fitted. The 'inverted' base plate is on the right and shows what you'll be dealing with.
    Steel Kopsen, Kayens variations

    Henry.
     
  7. Gareth Shepherd

    Gareth Shepherd United Kingdom Subscriber

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    Thanks for the info @Henry Plews

    I've had a morning stripping the paint off the fount. Here are the results...

    20200621_114249.jpg 20200621_114405.jpg

    That's the same crack from beginning to end. It only leaks air from one side of the first picture.

    So now I've seen the damage, the plan of attack is that similar to the link that @JEFF JOHNSON provided.

    Create a little groove along the crack, fill with solder and finish flush.

    I'll keep you posted, wish me luck
     
  8. Henry Plews

    Henry Plews Subscriber

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    That's definitely the way to go. Good luck.

    Henry.
     

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