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Old September 28th 18, 05:46 AM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Buy that wheelbuilder a drink!

On Thu, 27 Sep 2018 22:56:05 +0200, Sepp Ruf
wrote:

Jeff Liebermann:
On Thu, 27 Sep 2018 10:52:11 -0000 (UTC), Duane wrote:


https://i.dailymail.co.uk/1/2018/09/24/21/4517082-6202141-One_man_was_spotted_in_despair_after_his_car_was_b adly_damaged_b-a-200_1537819759698.jpg

The tire doesn’t look flat to me. Not even on the bottom.


Try looking at the original Daily Mail photo.


The original, original photograph is more than a year older. Despite some
larger file sizes from around May 2017, not much difference when enlarged,
IMHO.


If you searched for the image using Google image search, it produced
176 unique version of the image, which means someone edited it and
change the image size to something unique during the edit. I didn't
bother counting how many non-unique versions were out there.

However, they the images seems to be rather recent, generally within a
week. The May 2017 version that you found is actually the date on the
picture gallery or web page where the image was displayed. Since the
EXIF data is missing form the image, it defaults to the date from the
web page.

Here's a 4X enlargement
of the tire contact area:
http://www.learnbydestroying.com/jeffl/crud/fixie-crunch-02.jpg
It might not be flat, but rather the weight of the vehicle might be
pushing down on the rear wheel. Or, it might be an indication of a
Photoshop edit.


Good luck finding out more...
http://fotoforensics.com/tutorial-ela.php


That URL doesn't work. It spins for a while and then times out. I
think the server might be down.

I won't claim to know the first thing about image forensics, but will
claim that I'm fairly good at picking out details from photos and such
(due to a few years in the advertising business doing mostly
subliminals).

The tire doesn't look quite right to be a flat tire,
which would show parts of the tire pushed outward to both sides of the
contact area.


Lack of flattened tire visibly pushed outward might be explained by
relatively wide rim or the plasti-car not only pushing down, but also
pushing the rim a bit to starboard.


Yep. There's also what might be a small depression in the road that
might be hiding only the tire. However, I find it odd that the
depression is exactly the correct depth needed to hide only the tire
and not the rim.

However, I'm not familiar with that style of rim, so I
don't know how the tube and tire will act when flat.


+1.


Yep.
True confessions of a bicycle forensics amateur:
1. I've never ridden a fixie.
2. I've seen rims like that but have never played with one or ridden
on one.
3. My attention to photographic detail sometimes causes me to see
things that aren't there. That's the price of having a good
imagination.

--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
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