Optimus 1 (buns & mustache burner)

Discussion in 'Optimus No:1(inc. S & J)' started by Doug L, Aug 6, 2015.

  1. Doug L

    Doug L Subscriber

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    A flea market find from last Sunday.
    All it needed was a new cork fuel cap gasket and burner gasket.
    I was very excited when I saw this on the sellers table.He wanted 60.00 which meant he would take 50. I offered 30 knowing he wound not take that.He went to 40.00 and I was a happy man.

    OP1.jpg

    OP2.jpg OP4.jpg OP6.jpg
     
    Last edited by a moderator: Aug 6, 2015
  2. Tony Press

    Tony Press Australia Subscriber

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  3. shagratork

    shagratork United Kingdom Moderator, R.I.P. Subscriber

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    That is a great find.
    It is a 'Travelling' No.1 and is shown in the 1917/18 catalogue and also in this 1921 advert.

    Optimus_No1_Travelling_ad_1921.jpg
     
  4. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi, I also believe this is a Optimus No.1 Traveller stove but think it is perhaps later than the one illustrated in the 1917/18 catalogue.
    Does your stove have an external NRV? Unfortuantely you can't see this area in the photos you provide.
    The fuel filler cap is also later, perhaps mid 1920s to late 1930s.
    You have an interesting and lovely stove, particularly with the great cast iron pan-ring.

    Best Regards,
    Kerophile.
     
  5. shagratork

    shagratork United Kingdom Moderator, R.I.P. Subscriber

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    I agree with George that the stove is later than the one shown in the illustration.
    The filler cap on Doug's stove is from a later age.
    Unfortunately, we have very few documents on the early Optimus years.
    The only illustrations we have of the 'moustache burner' Travelling Optimus No.1 are from 1917/18 and 1921.

    The wingnut-type burner fastening is not shown in the parts in the 1929 brochure and the 1932 catalogue shows the Travelling Optimus No.1 without the moustache connection.
    However, the filler cap shown above looks like the cap shown in the 1929 brochure.
    So I would estimate the age to be mid-1920s.
     
  6. Doug L

    Doug L Subscriber

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    It has a internal NRV thank you I forgot mention that.

    I also want to share my way of removing the burner section from the wingnut section. I have noticed a few of these are bent as they are brass and not tough to bend with a wrench or in a vice.I made these for the old Svea 8 and 9 plus the Phoebus 30 you see in my avatar. This allows one to clamp the burner in a vice w/o bending it.

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  7. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi Doug, thanks for the info. on the internal NRV.

    By 1929 all these Optimus stoves were using internal NRVs as can be seen for the 1929 Optimus catalogue. This catalologue also shows the type of filler cap that your stove has.

    However, as Trevor points out, the wing-nut connector had been dropped by 1929, so it seems likely that, as Trevor says, your Optimus Traveller No 1 dates from the mid 1920s.

    I do like your jig for dismantling stove burners from their riser tubes without damage.

    Best Regards,
    Kerophile.