Eric Conrad wrote:
> > label on the back tells me, in typically Canadian fashion, to have a fresh
> > air opening of 58,000 mm squared.
>
> Alright, I'm setting myself up to look dumb here! Wouldn't 58,000 mm be
> equal to 5,800 cm
Not quite, because they are squared units.
It works the same as Imperial measurements do when converting
between linear measurements and square measurements.
1 foot is 12 inches, but 1 square foot is 144 square inches.
Similarity, 100mm^2 is 1cm^2.
So 58000mm^2 is 580cm^2.
So, an opening of 24cm x 24cm or so. Big enough to put
your head in, not big enough to climb through.
--
Trevor Boicey, P. Eng.
Ottawa, Canada, tboicey@brit.ca
ICQ #17432933 http://www.brit.ca/~tboicey/
"What a brave corporate logo!"
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