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 Post subject: White-Lining on a Bike
PostPosted: Thu Mar 26, 2009 5:15 pm 
Devout Dirtbag

Joined: Tue Feb 10, 2009 1:51 am
Posts: 110
Location: An Englishman in Asia
Ease up coke-heads this is not for you.

Both climbing and descending my local mountain TT today ( in a PBT :) ) I noticed my tyres made much less noise when I deliberately rode on the white line at the edge of the road. Presumably due to less rolling friction.

So is this a useful tactic for roadies, in TTs at least. ie. Try to spend time on the road edge white line if there is one.

And since road markings are more slippery...

I recall Mick Doohan had a career ending crash when his Honda slid from under him due to riding on a white line.

Do the pros avoid hitting the white lines on descents for fear of sliding off on bends?

Bear with me, I'm new to this roadie lark.


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 Post subject:
PostPosted: Thu Mar 26, 2009 5:43 pm 
Old School Grand Master
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Joined: Thu Jul 19, 2007 7:18 pm
Posts: 3798
Location: Staffordshire
Lines and drain covers are to be avoided in the wet. I remember a story about a Chinese chap staying in the UK who kept crashing into things because he was trying to keep between the yellow no parking lines as apparently where he was from cycle lanes are denoted by yellow lines.


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 Post subject:
PostPosted: Thu Mar 26, 2009 6:35 pm 
Devout Dirtbag

Joined: Tue Feb 10, 2009 1:51 am
Posts: 110
Location: An Englishman in Asia
Iwasgoodonce wrote:
Lines ... are to be avoided in the wet.


But on the flat straights, it'd give a slight speed advantage. So over a 20km TT, the saving could be significant. This is the first point I'm getting at.

Do the pros do this deliberately?


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 Post subject:
PostPosted: Thu Mar 26, 2009 9:19 pm 
Old School Grand Master
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Location: Staffordshire
I suppose there would be a theoretical advantage. On the other hand, would you be concentrating on the line to the detriment of your speed? Advantages are so easily lost. I'm sure I remember reading somewhere that most of the aerodynamic advantage of a rider wearing one of thos 'alien helmets' is lost if they look down at the ground even once.


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 Post subject:
PostPosted: Fri Mar 27, 2009 9:48 am 
Retro Guru

Joined: Wed Dec 10, 2008 9:19 am
Posts: 2095
Location: Sheffield, top city
the edge of the strewn with litter - glass, metal bits, flints, grit etc. Road racers deliberately avoid the edges to avoid the punctures.


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 Post subject:
PostPosted: Fri Mar 27, 2009 11:17 am 
East Midlands AEC
East Midlands AEC
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Joined: Thu Oct 05, 2006 7:45 pm
Posts: 15067
Location: Derby, UK
I ride the white lines when I'm riding my MTB on the road sometimes as to my mind there seems to be less rolling resistance with knobblies.


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 Post subject:
PostPosted: Fri Mar 27, 2009 12:25 pm 
Retro Guru
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Joined: Sun Mar 09, 2008 7:43 pm
Posts: 557
Most seem to ride a good metre from the kerb to avoid the drain covers etc.

If you had a nice flat line then perhaps, but they are all wobbly, bumpy and go straight over the drains by me.


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 Post subject:
PostPosted: Fri Mar 27, 2009 1:45 pm 
rider | rBoTM Winner
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Joined: Fri Jan 25, 2008 1:42 pm
Posts: 5132
Location: Wakefield, Yorkshire
I too used to find that the white line seemed 'smoother' than the road but hard to concentrate on keeping on it.

There used to be some top riders in the past who used the white line a lot - but it was generally the one down the middle of the carriageway not the one on the inside!


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