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Re: Engineering 101 - Was:[ST] New Member
- Subject: Re: Engineering 101 - Was:[ST] New Member
- From: chuck boatwright <dirac@xxxxxxxxxxx>
- Date: Sat, 07 Feb 2004 10:48:45 -0800
(sorry to revive a killed thread)....
Martin Waltman wrote:
> The simplest experiment is to take a rock and a piece
> of jello out to the pavement and see witch one slides
> further the jello would represent the human body and
> the rock the bike.
Martin -- while this argument is valid in many circumstances, I think it
is overly simplistic of real crash situations. While the body slides
(whether race leathers, 'stich or flesh) slower than the bike on
pavement; once off pavement, the world turns a bit on the (was) rider.
Assume that you lowside a corner. you and bike slide off tarmac (for
simplicity we assume no curbing. there's no such thing as "sliding"
over curbing) Bike slides way faster on pavement than rider. once bike
leaves pavement various "thingies," most often pegs or bars, auger in
quite nicely. Suddenly rider's velocity is greater than bike's, and
bike's (negative) accelleration is greater than (ex) rider's.. here is
where rider (sliding on protective gear... we hope) hits bike. OUCH.
been there. done that.
I've had enough low sides to have mastered this process, and, if sharing
this can save some injuries, I think it justifies responding to this
thread.
If you find yourself in a fresh lowside, you most often are on the
ground sliding on one side. Manipulate yourself such that you are
sliding on your back, feet first. This way, if you do find yourself in
a situation of serious deccelleration or reconnecting with your (less
than perfect?) ride, you have some strong muscles and big bones ready to
handle it.
(cheezy, if not rickety, segue)
now, let me tell you about the _first_ time I broke my clavical....
oh yeah.. the technique above is best done when wearing a back
protector. Get one, not the crappy "back protector" that rider
warehouse sells for the 'stich (sorry andy g -- it really does _SUCK_ )
Buy a real one like a bohn, dainese, helimot TLV etc.
Naturally all disclaimers apply.. I am not a dr, lawyer or indian
chief, but I play all three on the internet.
- --chuck
amatuer crasher and engineer
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