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Lloyd E. Sponenburgh[_3_] Lloyd E. Sponenburgh[_3_] is offline
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Default Making a shallow parabolic reflector using hand tools?

Ed Huntress fired this volley in
:

Generating enough heat (in addition to a high enough
temperature) to start a flame is something else. That's the
distinction that I was trying to explain, based on my own experience.



Once you have that reliable ember glowing, you have the makings of a
fire. I can light a flame from a burning cigarette on any day of the
week (avoiding rain, if possible).

How many grass fires are started along roadways every year from folks'
carelessly flinging weeds out their car windows?


Lloyd