[modeleng] Re: Self vapourising alcohol burner

At 09:10 PM 10/8/05 +0800, you wrote:
>But what I need, as I'm in the process of drawing it up, is a meths burner
>that is A/ self pressurising/vaporising; and B/  A multiholed bar type of
>burner (like a rectangular gas camping stove burner instead of a ring only
>smaller.....). - Phill

Phill,
     As Jem will no doubt confirm, meths is the fuel of choice for most Ga1
live steamers in the UK although in the USA butane, or a butane/propane mix
such as camp stoive fuel, is preferred as it's purceived to be more
reliable (ie less fiddley) than meths.  Here the road splits yet again.
    98% of Ga1 loco meths sytems are now drip-feed, or "chicken-feed" as
it's sometimes known in the US, with a gentleman named Dick Moger, a G1MRA
director, in Kent, being one of the last proponents of pressurized feed
meths systems.  His co-design of "Kaye" published in ME some years ago, and
IIRC a Merchant Navy design "Wolf of Baddenoch" (sp) before that, had
pressure feed systems I believe.  The fuel bunker of a typical traction
engine, by its size and location, would make an excellent drip feed tank.
    In gas fueled models there are two popular and preferred options, a
torch tip or "poker" burner, or a radiant ceramic burner, which is gaining
quickly in popularity.  In any case fuel & firing systems for small scale
models have taken great leaps in creativeness and efficiency in the last
five years so no doubt something can be found to fill the bill.
    I've got to dash to a meeting now but I'll be glad to look up specific
references later if you need them.

Regards,
Harry

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