Radius 42 without a pressure relief.

Discussion in 'Radius No:42' started by Remus1956, Mar 23, 2025.

  1. Remus1956

    Remus1956 United States Subscriber

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    Well I didn't realize this but my "French Connection" for stoves felt bad that the case was a little brittle on my other Radius 42 and offered me this one at a rally cheap price. Then I realized it doesn't have a pressure release on it....

    Swedish hand grenade I guess. I'll just not preheat it with a blowtorch haha.

    I know it's got to be older as the shooting star is there...and on the box.
    1930's?
    Works after a little cleaning... Was pretty clean for once...I just wiped it but didn't have any patina to speak of .. 20250322_171328.jpg 20250322_170918.jpg 20250322_170906.jpg 20250322_170823.jpg 20250322_170811.jpg 20250322_170806.jpg 20250322_170747.jpg 20250322_170736.jpg 20250322_170721.jpg 20250322_170714.jpg 20250322_123848.jpg
     
  2. mr optimus

    mr optimus United Kingdom Subscriber

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    @Remus1956 A very nice older version of a brilliantly made radius 42,Nice graphics on its tin case and running with a perfect blue flame
     
  3. Remus1956

    Remus1956 United States Subscriber

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    @mr optimus thank you! I am just going to run this one on small pots haha...no large coffee pots for this little one
     
  4. mr optimus

    mr optimus United Kingdom Subscriber

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    LOL i can understand why
     
  5. Blackdog

    Blackdog United Kingdom SotM Winner Subscriber

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    Yes, there are countless well documented examples of these stoves exploding and mutilating their owners. :roll: Mine killed me last Tuesday.



    Pot size is more relevant to self-pressurising petrol stoves with the tank beside the burner, in which case larger pots smother the tank and reflect the heat down onto it.

    Much less of an issue with 'upright' types within reason. If the pressure rises too high I imagine the tank bottom would pop out before any seams split...


    Earliest No.42 pre-safety valve in action with frying pan in the earliest Radius No.42 advert:

    [​IMG]


    Lovely example given the age, only minimal charring of the paint. Good find!
     
  6. hikerduane

    hikerduane Subscriber

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    Good candidate for shelf queen, many collectors only accumulate but don't use.
    Duane
     
  7. Remus1956

    Remus1956 United States Subscriber

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    @Blackdog good to know that the stove is ok for use... Do you ever use yours for coffee pots or something bigger?

    And absolutely love those advertising photos... My wife is going get those printed up for my office... Awesome thanks for the link!!!
     
  8. Remus1956

    Remus1956 United States Subscriber

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    @hikerduane oh I'll bet. I'm trying not to get shelf queens if I can help it. I like to use them...I literally make coffee on a different one every morning in the office but if it was something exceedingly rare or expensive I may put them in a safer place or light to no use.
    I got a gun safe full of "safe queens" haha... Trying not to do that again here...
     
  9. hikerduane

    hikerduane Subscriber

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    I don’t use my stuff much, a couple years ago was the last I did much, but hate to liquidate yet. Still can brag.
    Duane
     
  10. Blackdog

    Blackdog United Kingdom SotM Winner Subscriber

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    I've used all sorts of vessels on mine, big and small including large frying pans, same with various other similar stoves without safety valves.

    Just be sensible and all will be fine- make sure there is airflow around the whole setup, and perhaps take it a bit easier in extreme hot weather. If you're concerned, get to know the normal tank temperature by feel, and just turn the power down if it ever gets excessive. You have this luxury, early Primus No.70s (for example) lacked safety valves and control valves...
     
  11. hikerduane

    hikerduane Subscriber

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    The Optimus 10 Cobra is one that gets really hot, safer of sorts as it uses kero.
    Duane
     
  12. Camp numao

    Camp numao Japan SotM Winner Subscriber

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    It's an early model.
    The tank is beautiful.:clap:


    I'm more worried about the case burning than about it exploding, so I can't use it on high heat.

    So I end up using another dilapidated stove.:lol:
     
  13. Remus1956

    Remus1956 United States Subscriber

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    @Camp numao you and me both worry about the same thing haha. I try to keep these at medium low temp so I dont fry the paint...so far so good