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Outdoors Gear - MSR Stoves, Columbia, Marmott, North Face
MSR is working on a radical new lightweight camping
stove which will weigh in at around 100 grammes and burn petrol, but
without the need for pressurisation, so no pumping required.
The new stove reportedly uses a radical new technology being developed
by a small American start-up called Vapore. The process allows the
conversion of unpressurised liquid fuel into pressurised vapour using
only heat rather than pressure pumps as with current stoves.
The process uses something called a 'capillary force vaporizer',
apparently a small - from 5mm to 19mm in diameter - ceramic cylinder
that sucks in fluid using a highly porous material. Once heat is applied
to the top-surface of the cylinder, the heat vaporises the liquid, which
escapes as a stream of pressurised steam through the top using capillary
pressure.
The MSR stove using the technology is reportedly due to be released this
month and is designed to use white gas. Because the fuel tank no longer
needs to be pressurised, it can be made of lightweight plastic and the
lack of a pump mechanism also saves weight.
It doesn't stop there though. The new stove should be very simple to use
with no pumping, priming or maintenance required, plus a specially
designed heat exchanger interface between the stove burner and pot
claims to up the overall efficiency of the stove.

MSR Stoves - Discounts Online
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