Hi @Andrew S. Primus seem to have date coded some of their burners even when destined for spares stock:
From this thread:
Primus 110 *...
Hi @Twoberth Impressive work.
I believe that the original Op.111 regulator knobs were made from thermosetting ( Bakelite type) resin.
Hi @Tony Press are these pre-heaters similar?
Primus 100P - 1915
Primus No:100 - 1915?16?
Hi Antony. Great Work! A stove to be proud of.
Hi @presscall . Thank you and Apologies. Finger problem. It should be 1959 date of manufacture.
Help me identify this one
Hi @Andrew S I took some additional photos of this stove to show the date-code markings in its burner:
Primus 100/4128 - 1959 AB BAHCO
[ATTACH] [ATTACH] [ATTACH] Hi, Here are some additional photos to show the date code markings on the roarer burner of this stove.
Hi @Andrew S Primus did date stamp some of their burners... on the face(s) of the hex.
For their later burners this would have a sequence of...
Hi @OMC AND @gieorgijewski . I believe that Blacks of Greenock, used to market Blaxburner stoves which were re-badged BAT kerosene stoves:
The other possibility that has been mentioned is access to the inside of the manifold to remove carbon deposits which are impairing the operation...
Hi, could the screws be “core plugs”?
A when making burners a shaped "core" made of sand is included in the casting, then "rodded-out" (removed)...
The RM 320 seems to have come in more than one form:
Rm 320 Hybrid?
VAPORISING TUBE RESTORATION
1962 Primus No.96 fettling
Hi @john watson the dimensions at the start of the thread should be good for your stove.
Hi, This excellent post by @Twodogs illustrates a number of different Op.111 stove types and tries to establish a time-line for their production:...
Hi @john watson
Here is an Optimus 111 burner, courtesy of Doc Mark, :
Note that there are 4 pipes between the lower part of the...
Hi @Rico Horn Fuel is strictly Kerosene only.
Here are some good instructions/ explanation for operating pressure stoves:
You do need inner and...
Hi, I think you will find that the pump on your stove is essentially the same as that on most No.1 pr No.5 classic pressure stoves.
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