Penny Farthing crash movie

That was a great clip. How'd you find it?

I've never seen someone ride a farthing that way before, it looks fun,
but it's gotta suck falling from that high up.

By the way, that file was huge so I compressed it down to 10mb. Here is
the file:
http://tinyurl.com/6a8ku

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43.5 megs! no way..

i could download 200 sig line images faster than i would ever get that.

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daino149 said:

*
By the way, that file was huge so I compressed it down to 10mb. Here
is the file:
http://tinyurl.com/6a8ku *

do you mean 10 meg or 1 meg? your link download is only 1 meg long thus
showing no crash. if you can get it compressed completly that would be
cool. i'll award you a "no razzing from jagur" award for a month for
your efforts 😉

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Sorry about that, I thought the whole thing had uploaded, but it hadn't
I'm re uploading it again now. I hope this works.

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john_childs said:

*It looks like the rubber came off the rim as he was coasting down the
hill. It's hard to tell if it was the front wheel or the rear wheel
that had the tire separation problem.
*

I stepped through the video a frame at a time. The rubber comes off the
front wheel just two seconds before the UPD.

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I dont know if its normal at those speeds or not but you can see the
rubber off the rim right before where the wheel makes contact with the
ground. The whole video it seems to be doing that. Then he falls from it
coming off.

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I'm not sure why I can't upload this vid correctly. Anyway, John is
right about the tire separation. If you look closely, you can see the
rubber separating several times throughout the vid. Just look at the
wheel about eight inched above the ground and you can see it separate
from the rim.

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daino149 said:

*Anyway, John is right about the tire separation. If you look
closely, you can see the rubber separating several times throughout
the vid. Just look at the wheel about eight inched above the ground
and you can see it separate from the rim.

EDIT: It's working fine now http://tinyurl.com/6a8ku *

John? 🙄

Yeah it didnt sound like it was going to work for you so I gave a go at
it but I come back to see that you got it working. Here's mine anywho.
http://gallery.unicyclist.com/albums/tim/pennyupd.wmv

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Tim said:

*John? 🙄 *

😄
And I put a version in my 'Monster gallery'
(http://gallery.unicyclist.com/monster)

What comedy! What a duplication of effort!

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john_childs said:

*
😄
And I put a version in my 'Monster gallery'
(http://gallery.unicyclist.com/monster)

What comedy! What a duplication of effort! *

Haha yes! I'm glad to amuse you.

Mine's special adition. Extra black screen time has been reduced from
both the begining and the end! Making it have slightly more quallity!
Watch now before this amazing offer ends!

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thanks daino

i wonder if was really hot that day and the tyre heated up, then came
off. not much you can do once you get the speed wobbles even if you do
have a spoon brake on a high wheeler.

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That guy's tire was just too loose. He got what he was asking for.
Zooming down a hill while sitting on top of a wheel (with your feet off
the pedals) is just a recipe for disaster. I wonder why nobody built
penny farthings with the rider seated farther back? Maybe too much
weight on the rear wheel made for a bad ride.

But that guy was just asking for it. A properly tightened tire would not
float away from the rim at any temperature. Those tires work the same as
the one on my Tom Miller big wheel. Solid rubber with a hole through the
middle, and a thick steel wire, hooked to itself, to hold it tight to
the rim. Because unicycles turn sharper than penny farthings, you need
the tire generally a little tighter than what they use, which is a lot
tighter than what a wheelchair uses. My big wheel uses wheelchair
rubber. But from what I've been told, wheelchair tire attachment tools
aren't designed for the much tighter tension we need for our big wheels.
The size of the wheel also forces a higher tension in the wire, because
it's easier for the tire to get over a less-curved rim.

I watched the high-res version (not reading down the thread first can be
a disadvantage). You can see very good detail in there. You can see the
tire floating away from the rim, you can see his speed wobble building
up, then you can see the tire come off and momentarily keep its circular
shape. Lastly you see his knee whack the pavement pretty hard (ouch!),
followed by the bike apparently hitting him after he goes down.

Too bad the guy in the car didn't notice the tire's looseness as they
were going. I like to think I would have checked it before trying
something like that!

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johnfoss said:

*I wonder why nobody built penny farthings with the rider seated
farther back? *

they did twords the end of their high point of popularity. with Starley
using a chain to drive the rear wheel and putting the rider in the
middle of two same sized wheels plus maketing it as the "safety bike"
they had to do anything they could to make high wheelers feel safer or
die as an industy.

they put the seat farther back but that made it harder to steer and less
power went to the wheel. the chain drive safety was just better so the
high wheelers died no matter what they did. STAR (not Starley) even put
the little wheel in front to keep the market going
[image: http://www.metzbicyclemuseum.com/images/bike5.jpg]
and in one of the biggest marketing stunts ever ,they had some guy ride
down the Capitol steps to prove it was safe but everyone wanted the
Safeties anyway especialy after the freewheeling coaster brake hub was
invented.

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johnfoss said:

*That guy's tire was just too loose. He got what he was asking for.
Zooming down a hill while sitting on top of a wheel (with your feet
off the pedals) is just a recipe for disaster. *

I've read elsewhere that the feet over the handlebars was actually
considered the safest way to go down a hill at speed. The idea being
that in a crash you'll be thrown forwards and be able to land reasonably
well.

The alternative of a high speed crash whilst feet are on the pedals
would result in the legs being trapped under the handlebars and being
dashed face first into the ground at high speed from a great height.

But you're right that the guy was asking for trouble, it looked well
shaky even before the crash.

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I wonder if it's possible to idle on a penny farthing?

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I bet it is very possible! And probably wouldn't be too hard after a
couple tries...

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"daino149" <[email hidden]> wrote in
message news:[email hidden]...

Quoted message said:

That was a great clip. How'd you find it?

I've never seen someone ride a farthing that way before, it looks fun,
but it's gotta suck falling from that high up.

An impressive vid: notice the wobble induced by the pedal high speed
revolutions!.

Two things come to mind: does he have brakes? Could he actually slow the
thing down......certainly not by putting his feet back onto the pedals!
Was he out of control and hanging on for his life? Shame about the tyre
though.

Also anyone tried to work out his speed? I did a rough calculation and
came up with about 25 MPH.
Anyone know where this was?

Naomi

"onewheeldave" <[email hidden]> wrote
in message
news:[email hidden]...

Quoted message said:

I wonder if it's possible to idle on a penny farthing?

The following video demonstrates that it is possible.

http://www.bikeroute.com/SuttonTrackstand.AVI

Naomi

I own a Penny Farthing, but not near the quality of these bikes.

I have pedalled mine at speeds very near 20mph. It has the same problem
as a unicycle at high speeds: The wheel wobbles twice per rotation
because of the weight of the crank arms.

If you watch the tire ahead of the contact point on the road, you will
see the tire seperate from the rim, several times, because it is loose.
Rubber stretches with time, even though the wire in the center is tryig
to hold it tight to the rim. High speed, the wobble and the loose rubber
allow the tire to spin off the rim. The rider actually controls it for a
long time with no rubber. I think he puts his legs over the bars to help
control the wobble. Plus, where else would he put them -you can not spin
that fast.

I watched John Foss track-stand mine about as long as the other guy, but
he didn't get it going backwards. He's got a real quality bike there.
All frame tubes are doubled and the hubs and bearings are huge. Idling
on a Penny Farthing is nothing like idling on a unicycle. I can idle all
day on a coker or regular uni (one footed), but cannot idle at all on my
PF. I can track-stand for a little while, but I'll have to try the
half-cocked position this guy uses.

Jer

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