[Stoves] Camping and backpacking stoves

[Steve Taylor]

On 17 July 2012 14:36, David G. LeVine <dlevine at speakeasy.net> wrote:

>
> Is there a good reason that a TLUD can not be hexagonal or octagonal?
> Hexagonal packs better, but either can be made to fold almost flat
> (assuming normal hinging.)  Having multiple staggered hinges allows very
> close to flat with only a small amount of non-flat overhang.
>
>
Aren't they round to ensure uniform gas flow conditions for both primary
AND secondary air ?
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