Graham Obree Speed Record Bike

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ave
Posts: 1718
Joined: Sun Dec 28, 2008 10:15 pm
Location: Hungary

by ave

That is amazing!! What a man!!
Single speed as far as I can see. (?)

But surely the bike needs an aero cover if he really want the land speed record.
If he goes fast enough, he can make us of the RAM to assist his breathing. :D

mrfish
Posts: 1631
Joined: Wed Mar 28, 2007 12:49 pm
Location: Near Horgen, Switzerland

by mrfish

Obviously another smart design which nobody else thought of. Not sure about the lack of gears, but I guess the push-pull action gives a bit more flexibility than a typical bike pedalling action.

There is a side-on photo in this month's Tour magazine. According to the article my understanding was that he thinks the bike could break the record without a fairing. I think that's unlikely, but I think Obree stands a good chance with his innovations, legs and lungs plus a fairing.

Let's also hope it uses some lucky washing machine parts!

Plugger14
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Joined: Mon Jun 28, 2010 10:28 am

by Plugger14

Wouldn't want to come to grief on that at speed.....

CarpetFibre
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Joined: Thu Apr 01, 2010 10:24 am

by CarpetFibre

I read that he does have a carbon fairing for it too. What an awesome project - I hope he gets what he set out to achieve!

CarlosFerreiro
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Location: Shetland, Scotland

by CarlosFerreiro

At those speeds a super low CdA fairing is essential.
The power requirements to break the record are not crazy numbers; producing them in the required position, inside a tight, hot shell while staying upright is likely a bit harder.

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stella-azzurra
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Joined: Mon Jan 23, 2006 6:35 am
Location: New York

by stella-azzurra

Nice! Upper body strength is a requirement.
The position is optimal for flat roads.
Maybe a fender on the front wheel when training in the streets?

The weight is heavy. Anyone one know the weight.
What is the weight limit for the bike to break a hour record.
I never took drugs to improve my performance at any time. I will be willing to stick my finger into a polygraph test if anyone with big media pull wants to take issue. If you buy a signed poster now it will not be tarnished later. --Graeme Obree

CarlosFerreiro
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Location: Shetland, Scotland

by CarlosFerreiro

Run under IHPVA rules
http://www.ihpva.org/home/

weeshuggy
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Joined: Thu Dec 01, 2011 4:59 pm

by weeshuggy

I think i read a whilst ago that he has 3 gears on it i might be wrong though it could just be the one. I do know however he will be pushing the equivalent of a 298 inch gear. :shock:

Also love the fact that he is still wearing his club kit XD Actually i passed him a few weeks ago on a run, he didn't have his special bike with him though.

NGMN
Posts: 1536
Joined: Mon May 30, 2005 7:13 am

by NGMN

mrfish wrote:Obviously another smart design which nobody else thought of. Not sure about the lack of gears, but I guess the push-pull action gives a bit more flexibility than a typical bike pedalling action.


I'm a big Graeme fan but this is definitely not a purely original idea:

http://www.h-zontal.com/pagesgb/presentation.html" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;

http://www.bentrideronline.com/?p=7032" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false; -

"These were largely tossed out by the HPV racing community in the early 80′s."

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HammerTime2
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Location: Wherever there's a mountain beckoning to be climbed

by HammerTime2

How much power can you (or actually Graham) crank out prone vs. recumbent?

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stella-azzurra
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Joined: Mon Jan 23, 2006 6:35 am
Location: New York

by stella-azzurra

The next version of this will also involve the arms!
I never took drugs to improve my performance at any time. I will be willing to stick my finger into a polygraph test if anyone with big media pull wants to take issue. If you buy a signed poster now it will not be tarnished later. --Graeme Obree

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tinchy
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Joined: Sun Feb 22, 2009 9:53 pm

by tinchy

wouldnt fancy having my nuts so close to a rotating chainring

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stella-azzurra
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Location: New York

by stella-azzurra

If you notice there is a plate there. :lol:
I never took drugs to improve my performance at any time. I will be willing to stick my finger into a polygraph test if anyone with big media pull wants to take issue. If you buy a signed poster now it will not be tarnished later. --Graeme Obree

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