Vintage Optimus 8r.

Nonsuch

Life Member
Sep 19, 2008
1,862
1
Scotland, looking at mountains
They are fun. They are a bit tricky to get going as they rely on heat to create pressure rather than initial pressurisation. A really good prime is needed. I couldn't get on with mine and ended up getting an Optimus mini-pump for pump-priming, which made all the difference

NS
 

bilmo-p5

Bushcrafter through and through
Jul 5, 2010
8,168
9
west yorkshire
Put your pot on as soon as you light the prime. The bottom may get a bit sooty, particularly if you use the stoves main fuel to prime, but it reflects a lot of priming heat down onto the tank which would otherwise be wasted.
 

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