Coleman 236, 236A and 237

Discussion in 'Fettling Forum' started by AussiePete, Oct 22, 2020.

  1. AussiePete

    AussiePete Australia Subscriber

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    Hi all

    I just completed the fettle of 3 Coleman lanterns, namely the Coleman fuelled 236 and 236A and the kerosene fuelled 237.

    7ADEF65B-0491-4DF8-907F-09A0532BEA8B.jpeg
    CE354A03-C426-4C5C-B6A5-724BA26AB29B.jpeg

    Displayed from left to right:
    • A 236 dated July 1952,
    • A 236A dated February 1968,
    • A 237 dated August 1954.
    These 3 lanterns are excellent workers each having a very good light output.

    Cheers
    Pete
     
    Last edited: Oct 22, 2020
  2. Alex Smith

    Alex Smith United Kingdom Subscriber

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    Very nice Pete, you must be pleased with them. All a nice vintage too.
     
  3. AussiePete

    AussiePete Australia Subscriber

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    Thank you @Alex Smith.
    Yes I’m very pleased with them as they look good and work very well.
    They’re real dark killers as well.
    Cheers
    Pete
     
  4. Jean J

    Jean J Subscriber

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    Now you’re just showing off Pete.
     
  5. AussiePete

    AussiePete Australia Subscriber

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  6. BigStevie

    BigStevie United Kingdom Subscriber

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    Wow, very nice Pete! Yeah, you’re showing off....
     
  7. AussiePete

    AussiePete Australia Subscriber

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    Yep, I just can’t help it ....... :D/
     
  8. Fireexit1

    Fireexit1 United Kingdom Subscriber

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    If ya got it, flaunt it !
     
  9. george

    george United States Subscriber

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    @AussiePete Pete, fine grouping of some really great Coleman lanterns! Super condition! Keep'em coming!
    :clap::thumbup::thumbup:
     
  10. JEFF JOHNSON

    JEFF JOHNSON United Kingdom Subscriber

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    A splendid line up and light up!:thumbup::thumbup::thumbup:
     
  11. Norman

    Norman United States Subscriber

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    @AussiePete

    Pete I have a couple of 237s and one 236.

    I have found my 236 is a bit on the thirsty side of things with fuel consumption.

    Cheers,
    Norman
     
  12. AussiePete

    AussiePete Australia Subscriber

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    @Norman Perhaps it’s just a characteristic of this particular kerosene fuelled 237 but it appears to have a greater light output than either the Coleman fuelled 236 and the 236A.
    Have you found this?
    Cheers
    Pete
     
  13. Norman

    Norman United States Subscriber

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    @AussiePete

    To be truthful Pete I haven't compared them side by side but I do believe the 237 is a bit brighter then the 236.
    My preference is the 237 mostly because it's kerosene and it is a much safer fuel to use and this is why many of my Coleman fueled lanterns have been converted to kerosene.

    Cheers,
    Norman
     
  14. AussiePete

    AussiePete Australia Subscriber

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    Cheers mate, I’ll have these running on our conference call with the Veritas Guys at our usual time. We can shoot the breeze about their respective dark killing attributes.
    These 3 are really bright lanterns, I’m surprised at their dark killing abilities .....
    Cheers
    Pete
    @Norman
     
  15. ColinG

    ColinG United Kingdom Subscriber

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    That's some line up, Pete!
     
  16. Mackburner

    Mackburner United Kingdom Founder Member Subscriber

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    These big single Colemans are rated at 500cp but all the examples I have tested have run at 300cp or less. That is a bit unfair as they were all well used lamps but it does mean that there could be considerable differences in light power in the used lamps we gather in and fettle. ::Neil::
     
  17. ColinG

    ColinG United Kingdom Subscriber

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    I have a 639 and a kero converted 635 and they are extremely bright. I haven't got the ability to test the candle power but they're certainly as bright as any of my Petromax style lanterns.
     
  18. Mackburner

    Mackburner United Kingdom Founder Member Subscriber

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    The problem is always that the Mark I eyeball is not calibrated. It sort of works OK to compare but even then is not so good when the colour of the mantles vary. Hard white tends to look brighter than a yellowish light. Only a photometer will do the job with any accuracy. I use this rig and as you can see this Primus 1060 is only making 375cp when it is a 500cp rated lamp. ::Neil::

    !!Photometer.jpg
     
  19. AussiePete

    AussiePete Australia Subscriber

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    @Mackburner
    I agree with you totally when scientifically comparing a lantern’s light output. My entire work life as a consulting engineer commissioning intricate control systems supports your instrumental comparison and approach. This is the only way that the light output can be measured where the myriads of eyeballs along with the countless ambient variations will perceive light output sometimes quite differently.

    However the end result will be from the uncalibrated eyeball. In the everyday environment, it’s the eyeball, Mark 1, that will experience the light output, not a laboratory instrument. I guess it comes down to perception of the beholder and the ensuing ambient conditions. It’s the beholder that subjectively makes the comparison.

    So the instrumental approach is invaluable for “apples with apples” type comparison but for the everyday use, I believe it’s the eyeball of the beholder, however subjective that may/will be, that will the definitive test.
    Just saying .......
    Cheers
    Pete
     
  20. scl

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    pretty ones there.
     
  21. ColinG

    ColinG United Kingdom Subscriber

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    I was just thinking the same thing @AussiePete and also.... if you could tune the light output to optimize it for human vision you might be able to lessen the power requirements.
     

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