In a message dated 04/12/01 19:10:12 GMT Standard Time,
andrew.heggie@xxxx.ntl.com writes:
I have been musing all day about what forces would act along a pole
being felled in a vacuum and just cannot dredge enough memory from
lessons 35 years ago :-(.
Neither can I. But to put these things in perspective, lets imagine a few
things. Lets fell a street tree on to a good strong highway, one that we're
not going to puncture with a stray branch.... The crown is smashed up isn't
it? the stem may be as well.
Put it back up, take the top off and then fell the stem. It hits the floor
and bounces doesn't it. I can't recall seeing one break. You might break it
if you fell it over another log but I'm racking my brains to remember one
that was topped and broke and I can't.
The drama of seeing a full crowned tree felled and hitting the floor (the
noise, the sweat, the emotion) means we probably don't see these things fall
as we think we do, perhaps professional fellers get a lot more blasé about it
and can stand back and observe better than Arbs. Perhaps I should get out
more... but not today its P'ing it down!
Bill.
PS. 'Sods Law' says the very next tree I fell will defy all these
observations!
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