http://www.youtube.com/watch?v=qyz5d3entBw&feature=related
http://www.youtube.com/watch?v=WGYngjxJP1I&feature=related
Gino, unfortunately in the pixel mines today, Zahnd
Ryan
A small point of order: the first specifically bicycle helmet, the MSR,
went on the market in 1974. The Bell Biker came the following year, in
1975. Prior to 1974, those of us who wished to wear helmets were mostly
using hockey helmets.
Love!
-gino
Not so old, not a guy. And I'm STILL pining. Great
stuff.
Beth
http://bikelovejones.livejournal.com
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I'm quite sure about the dates because in 1974 I was workshops chair for
GEAR 74, put on in Poughkeepsie NY by the Mid-Hudson Bicycle Club. One
of my workshops was put on by Dick Burns, an enginner from the Rochester
NY area who was instrumental in getting helmet companies to make the
first bicycle helmets. In Dick's workshop he put on an MSR helmet, then
took an indian club and whacked himself over the head with it. Clunk!
Then offered the indian club to everyone in the workshop and asked them
if they were willing to try that with their leather hairnet.
We had a star rider in the club, and IBM engineer named Jack. Jack was
a gifted athlete, and was splendid at everything he did: grace, poise,
speed, he had it all. Far and away the best rider in MHBC. After GEAR,
MSR put their bicycle helmet on the market and Jack bought one. He
commuted to work on a bicycle, and one evening he rode over what he
thought was a shadow on the road. It turned out to be a downed tree
limb, and it trapped his front wheel causing him to take a header.
He walked away from the accident. It smashed his helmet to pieces, but
only gave him a slight headache. Within a few weeks, everybody in the
MidHudson Bicycle Club had purchased a helmet.
> I still have the one I used in the early 70's (no, I don't use
> it!). Unfortunately, once the ugly "mushroom head" helmets (Bell
> Biker) came out, all of us pseudo racers wouldn't go near them and
> usually went without. It took way too long for the cycling
> industry to take head protection seriously because, again, racers
> didn't. When the industry finally did offer products that would
> actually protect the human skull, the helmets were so ugly that not
> enough people would wear them. I remember not wanting to wear a
> helmet because I couldn't stand to look so silly in public, even
> after I'd had a couple of serious spills!
>
> It's really a glaring example of what all us RBW owners already
> know: Unless something is considered cool be the majority of
> society, it will fall out of fashion regardless of its superiority.
Oh, man, I hate helmet threads 'cuz they usually degenerate so
quickly. But I do want to point out that the issue is not protecting
your skull, it's protecting your brain. Unfortunately there is not
much evidence that wearing a styrofoam hat adds significantly to the
prevention of brain injuries among adult riders. I wish the news on
this was better. The most balanced discussion I know of is here:
Part of the problem of whether helmets prevent brain injuries lies in
how the brain gets injured in an crash, and from some things no
helmet can protect the rider's brain. The brain is a mechanically
weak structure, basically not a lot tougher than Jell-O. When you
look at the brain, what you see is a combination primarily of nerve
cells and fat. There is very little connective tissue to hold it
together- there is a sac around the brain called the dura mater
("tough mother") and the brain floats in cerebrospinal fluid (CSF).
There are a series of hollows in the brain called ventricles which
are filled with CSF and support it from the inside, basically through
hydraulic pressure.
There are closed head injuries and injuries that involve breaching
the skull. Among the former there are coup and contra-coup injuries-
basically bruising of the brain tissue at the site of impact (coup)
and/or on the other side of the brain away from the impact (contra-
coup). A force strikes the head which drives the skull into the
brain, bruising it; this is the coup injury. When the head reaches
the limit of its motion, such as when the neck has been flexed as far
as it can go, it abruptly stops moving and the brain then bounces off
the inside of the skull causing bruising about 180 degrees away from
the coup injury. Sometimes the contra-coup injury is worse than the
coup injury. Helmets theoretically provide some protection against
this by absorbing the energy of the impact, preventing it from being
transmitted to the head in the first place. The helmet's capacity
for energy absorption is quite low, unfortunately, and additionally
will only absorb energy from any particular direction once. If you
get multiple impacts in the same spot, you only get protection once.
Another type of closed head injury is from shearing force. In this
case the head is struck obliquely and rotated by the impact, which
accelerates brain and causes tearing (remember, the brain has about
the same structural integrity as Jell-O). Helmets can't protect
against this and, in the case of bicycle helmets, may increase the
risk because they make the effective diameter of your head bigger and
because they don't slide on surfaces very well. This can also
increase the risk of neck injuries.
Among open-head injuries there are basically two types. Don't read
further if you are eating, unless you have a strong stomach. The
first and probably most common type is a penetration injury in which
a foreign body is driven through the skull and into the brain. A
bicycle helmet will offer very little or no protection against this
type in injury because styrofoam is so easily penetrated. A "hard
shell" bicycle helmet has a paper thin plastic coating on the outside
which adds no significant protection from penetration. The other
type of open head injury is when your head is struck hard enough that
the skull suffers a compound fracture and splits open through the
skin, potentially exposing the brain itself. This takes quite a bit
of force- gunshots, baseball bats, etc. It's more common for the
skull to fracture and to be pushed into the brain.
Any of these injuries can be survivable, with varying neurological
outcomes, and any can be fatal. Motorcycle helmets have a hard,
slick shell and better energy absorption and provide more
protection. They would be unfeasible on a bicycle due to the weight
and the usual riding position of bicyclists. Even the half-pound
weight of most bicycle helmets can cause discomfort on a long ride or
for people with cervical disk or vertebrae problems. People would
find really effective helmets unacceptably heavy and hot.
Where bicycle helmets do have a reasonable role, I think (but have
not seen data about) is for kids. A standard bicycle helmet is of
diminishing helpfulness as speed increases. They are designed to
absorb the energy of falling a few feet onto a flat surface or a
curb. Kids, being shorter, lighter, slower, and more likely to
crash, will be more likely to have crashes that fall within the
effective range of bicycle helmets. Ironically, the people who are
required to wear helmets- racers- are the ones most likely to be
exceeding the useful range of helmets and the least likely to get
significant protection.
However, if anyone wants to wear a helmet I'm not about to tell 'em
otherwise. My wife and my mother are convinced that helmets have to
help and very much want me to wear one. So I usually do- a happy
wife and a happy Mom are more important to me than my personal
comfort. I don't expect the helmet to provide me with significant
protection and ride preventively and defensively to prevent crashes
in the first place. That seems to me to be the better way to prevent
brain injuries.
> Isn't it stunning how the bicycle fit standard of the 1950s was so in
> line with what we read from Grant Peterson and Jan Heine (Bicycle
> Quarterly) today? BIG frames, minimal standover clearance, about a
> hand's width of visible seatpost and handlebars at saddle's height.
> Gorgeous fenders too. In the video there are a fair number of touring
> bikes with drop bars but no derailleurs. Internally-geared hubs?
> Singlespeeds?
Neither Grant nor Jan are talking about racing bikes, where low bars
are considered an advantage. Jan's wind tunnel tests a while back
showed striking gains in aerodynamics from lowering one's
handlebars. Unfortunately the racing bike notions of fit have become
the standard for road bikes sold in the US and Europe.
In the video, many of those bikes would have a Sturmey-Archer AW 3
speed or perhaps a five speed. They were the norm in England until
after WWII. The other norm was fixed gears, even for touring, and
some of those bikes could easily have been fixed. Derailleurs really
didn't catch on in England until the mid to late 50s (and another
decade or so after that for derailleurs to be common here in the US!).
Good site, thanks for the link.
I don't want to perpetuate the helmet debate, but i have one small
point. For me, a helmet has mostly been protection against smaller
injuries. The research on preventing brain injury is interesting, but
beside the point. I still enjoy the benefit of not scraping my head on
trees when offroad or (occasionally) the ground when i do crash. I
know i've avoided enough scrapes and goose eggs to make wearing a
helmet worthwhile, even aside from being an example for my kids and
their riding.
--
Bill Connell
St. Paul, MN
There are plenty of photos of old bikes from the early part of the
20th century with bars considerably lower than saddle, and not only on
racing bikes. And, IIIRC, Jan likes his bars lower than saddle. I
think the "bar height = saddle height" is a Grant thing, not an old
thing, or even a "reasonable man's bicycle setup" thing.
Patrick "likem lower myself" Moore
I
think the "bar height = saddle height" is a Grant thing, not an old
thing, or even a "reasonable man's bicycle setup" thing.
Juuust kidding. My Rivs are supremely comfortable with narrow bars 2"
below saddle, and I have a long torso and short arms. I don't have
hand issues, either, even though I never wear padded gloves (except
for cold weather). Hell, I don't wear padded shorts, either.
I've tried (though, I admit, not very conscientiously) high bars and
found myself feeling "tippy" and awkward, and less powerful. I expect
there are other ways than my formula to get the low-ish back angle I
want -- higher but wider and further forward bars, for example. My
Monocg 29er has bars about 1" higher, but thanks to the (compared to
my road bikes) immensely long effective top tube and the (again,
compared to the 42s on my roads) 46 Bell Laps, I can get pretty
comfortable on it. But it's not as comfortable as my Rivs.
Patrick "bah, humbug to high bars, Brooks saddles, laquered tape and
no retention pedals, but I've come to like seersucker shirts in summer
and I looooove wool in winter" Moore
Well, when you get older and develop osteoarthritis in the cervical
spine so that a 5 cm handlebar drop after five hours in the saddle makes
you feel as though a railroad spike had been driven right into the back
of your neck, perhaps you will remember this conversation, raise your
handlebars level with the saddle and rejoice in the pain relief thus
obtained.
XO,
gino
Steve "pain in the neck" Palincsar
I did the same thing years ago. I just knew there was a proper 'look'
for a bicycle and anyone who put the stem high or had something other
than real toe clips and real cycling shoes wasn't a serious rider.
Most of that was swallowing the propoganda of the magaznes and
youthfull excitement with going fast. It reminds me of the old bull
and the young bull story..........! ;)
On Jan 31, 9:56 am, George Schick wrote:
> It's because many of us are (or are becoming) old farts. Sooner or
> later Maw Nature catches up to us all and, in this bunch anyway, that
> leads to wider saddles and bars, higher stems, and platform pedals. I
> used to scoff at people who wanted their bars at the same height as
> their saddles; now I'm one of 'em.
>
> On Jan 31, 11:37 am, "Gino Zahnd" wrote:
>
>
>
> > I love how, on these lists, a guy can send out a couple of old cheeky
> > videos intended to make people happy, and forget about their
> > work-a-day life for a few minutes, and yet the conversation always
> > has the potential to devolve into someone talking about railroad
> > spikes being driven into their necks. HA.
>
> > XO,
> > gino
>
> > On Jan 31, 2008 9:05 AM, Steve Palincsar wrote:
>
> > > Well, when you get older and develop osteoarthritis in the cervical
> > > spine so that a 5 cm handlebar drop after five hours in the saddle makes
> > > you feel as though a railroad spike had been driven right into the back
> > > of your neck, perhaps you will remember this conversation, raise your
> > > handlebars level with the saddle and rejoice in the pain relief thus
> > > obtained.- Hide quoted text -
>
> - Show quoted text -
- >
- >
- >
- >
- >
- > > XO,
- > > gino
- >
- >
- >
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