P
Phil, Squid-in-Training
Guest
Westie wrote:
> Scott Gordo wrote:
>>
>> Here's some follow up from Velonews:
>> http://www.velonews.com/news/fea/9082.0.html
>>
>> "The story behind that photo
>> Hello,
>> Becky Brandt's dad here. Becky is at school right now, so I am
>> writing in on her behalf. She took that photo at the WORS Ultimax
>> Challenge in Sheboygan, Wisconsin, on October 9th of this year. It
>> was the citizen/beginner race in the area simply called "the log
>> jump." This guy hit the jump pretty fast, but never pulled up on the
>> bars at all. The fork steer tube sheared at the threads when he was
>> landing. He turned out to be okay. Nonetheless, they took him in for
>> a visit to the hospital as a precaution.
>> While he was laying on the ground, he was asking his dad to pick up
>> the headset bearings and other parts so he could rebuild and give her
>> another go!
>>
>> Thanks for the weekly photo contest. We have had a lot of fun with
>> it! Doulas Brandt
>> Kenosha, Wisconsin
>>
>> Mmmmmm... "Rebuild her and give her another go?" Maybe he should have
>> been more thoroughly examined. Anyway, please give Becky our
>> congratulations. Her book is on the way. - Editor"
>>
>> Now for the suprising part -- October 9th of THIS YEAR? Hmmm....
>> Maybe a massive failure like that could kinda be expected if you
>> were using a presumably well-used ~15 year old bike for a jumping
>> contest? /s
>>
>
> Makes sense. I was looking at it and coming to the conclusion that
> the guy HAD jumped a low "something" at speed. Something just high
> enough to give that front wheel a bit of weight so that it dug into
> the ground slightly and compressed the tyre. He'd probably twisted
> slightly on the take-off hop(as you do) which would explain the
> slight angle that the frame is at.
>
> The chain is getting g-forces from landing, and the whole lot has
> snapped so fast that the guy hasn't had a chance to react. The only
> reason the guy is going to react is when he realises his hands are
> still moving downwards - too far downwards to account for the jump
> and the position of everything else. Remember that he is still
> "gripping" something.
>
> Anyway, although the shot has been panned, his biceps are slightly
> blurred vertically. Assuming that the camera has a flash sync speed
> of roughly 1/60 second that would indicate that his biceps were
Yes, but most modern cameras' flash syncs are >=1/250sec these days, if it
were indeed a recent photo.
> moving an inch every 60th seconds, or 60 inches per second. Headset
> has move six inches from it's normal location, very roughly (and I
> can hear the physics nerds screaming at my assumptions already) it's
> taken a 1/10 of a second to occur thus far. If your face can react
> in less than a 10th of a second then you're faster than I am.
Nice.
--
Phil, Squid-in-Training
> Scott Gordo wrote:
>>
>> Here's some follow up from Velonews:
>> http://www.velonews.com/news/fea/9082.0.html
>>
>> "The story behind that photo
>> Hello,
>> Becky Brandt's dad here. Becky is at school right now, so I am
>> writing in on her behalf. She took that photo at the WORS Ultimax
>> Challenge in Sheboygan, Wisconsin, on October 9th of this year. It
>> was the citizen/beginner race in the area simply called "the log
>> jump." This guy hit the jump pretty fast, but never pulled up on the
>> bars at all. The fork steer tube sheared at the threads when he was
>> landing. He turned out to be okay. Nonetheless, they took him in for
>> a visit to the hospital as a precaution.
>> While he was laying on the ground, he was asking his dad to pick up
>> the headset bearings and other parts so he could rebuild and give her
>> another go!
>>
>> Thanks for the weekly photo contest. We have had a lot of fun with
>> it! Doulas Brandt
>> Kenosha, Wisconsin
>>
>> Mmmmmm... "Rebuild her and give her another go?" Maybe he should have
>> been more thoroughly examined. Anyway, please give Becky our
>> congratulations. Her book is on the way. - Editor"
>>
>> Now for the suprising part -- October 9th of THIS YEAR? Hmmm....
>> Maybe a massive failure like that could kinda be expected if you
>> were using a presumably well-used ~15 year old bike for a jumping
>> contest? /s
>>
>
> Makes sense. I was looking at it and coming to the conclusion that
> the guy HAD jumped a low "something" at speed. Something just high
> enough to give that front wheel a bit of weight so that it dug into
> the ground slightly and compressed the tyre. He'd probably twisted
> slightly on the take-off hop(as you do) which would explain the
> slight angle that the frame is at.
>
> The chain is getting g-forces from landing, and the whole lot has
> snapped so fast that the guy hasn't had a chance to react. The only
> reason the guy is going to react is when he realises his hands are
> still moving downwards - too far downwards to account for the jump
> and the position of everything else. Remember that he is still
> "gripping" something.
>
> Anyway, although the shot has been panned, his biceps are slightly
> blurred vertically. Assuming that the camera has a flash sync speed
> of roughly 1/60 second that would indicate that his biceps were
Yes, but most modern cameras' flash syncs are >=1/250sec these days, if it
were indeed a recent photo.
> moving an inch every 60th seconds, or 60 inches per second. Headset
> has move six inches from it's normal location, very roughly (and I
> can hear the physics nerds screaming at my assumptions already) it's
> taken a 1/10 of a second to occur thus far. If your face can react
> in less than a 10th of a second then you're faster than I am.
Nice.
--
Phil, Squid-in-Training
