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Old 04-29-2006, 12:04 PM   #1
jrock
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Body positioning

NO!! Its not X-Rated!!! does any one here agree with the pics??
bodypositionsized

If not, then what ?
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Old 04-29-2006, 12:14 PM   #2
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the faster you go through turn the more the bike has to be leaned over. in order to go faster, the bike has to be straight up as possible. alot of diffrent riding positions that work. i bet the guy taking the pics wasnt going the same speed in all the angles.
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Old 04-29-2006, 12:17 PM   #3
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This came out of a British magazine of a few years ago.. Bike magazine. if i am not mistaken.
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Old 04-29-2006, 12:19 PM   #4
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Old 04-29-2006, 12:54 PM   #5
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Crouched down for going fast on known surfaces like tracks, up high for street but everyone has to start somewhere. Sport riding, cruising, or racing.
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Old 04-29-2006, 06:36 PM   #6
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Old 04-29-2006, 07:59 PM   #7
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cool pics tho


wish they had something like that at the track to point out what you're doing and what you should be doing. granted they (LMS) talk to you and help a lot, but 'a picture is worth 1000 words.'
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Old 04-29-2006, 08:31 PM   #8
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Old 04-29-2006, 09:12 PM   #9
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Old 04-30-2006, 05:07 PM   #10
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This is Speedismo reporting from New Delhi, India.:icon_bigg
Here r my EXACTLY 2 cents.
higher COG will make the bike stand up, but u want to keep it down, thats why u wld like to keep as low a COG as possible. however, at some point, traction, surface conditions, and other factors wld come in, and therefore, u want to look for that "optimum" COG, and not necessarily the lowest COG.

now next few lines, only those inclined towards theory shld read.
a simplified equation for balance in corner is
m*g*x=m*v^2*d/r

where m=mass, g= gravity, v=velocity, r=radius of turn at that istant, d= height of centre of mass and x= distance of centre of mass from rear contact point(hence roughly factoring in ur lean angle)

Now m and g r constant, x has a upper limit(=lowest lean angle), so u only have v, d, r to play with.

I m not going into details,but its simple, lower COG is lower 'd'. now other factors remaining constant, to balance out m*g*x, it gives me a chance to have a higher 'v'(v=velocity). SIMPLE baby!!!!
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Old 04-30-2006, 05:46 PM   #11
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Nice Bike !


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Old 04-30-2006, 06:08 PM   #12
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Old 04-30-2006, 06:14 PM   #13
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honestly my vote is that its too hard to say. there are so many different possible road conditions, i dont think one posture is going to work for every turn on every track. if it did, racing wouldnt be as competitive. you have to treat every type of corner as it own problem which need its own equation to solve properly.

for example, all this theory get thrown out if your working with a series of turns, where in order to exit as fast as possible in the last turn, you have to give the first turn in the series less than 100%.

there is no one answer, itll just never be that simple, you have to always adapt and improvise.

the write up also doesnt even mention front to back weight distribution, my guess is that is more important than lean angle, but i could be wrong. :dontknow:
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Old 05-01-2006, 01:24 AM   #14
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Quote:
Originally Posted by Chris24
honestly my vote is that its too hard to say. there are so
for example, all this theory get thrown out if your working with a series of turns, where in order to exit as fast as possible in the last turn, you have to give the first turn in the series less than 100%.

there is no one answer, itll just never be that simple, you have to always adapt and improvise.

the write up also doesnt even mention front to back weight distribution, my guess is that is more important than lean angle, but i could be wrong. :dontknow:
You got a good point . I would imagine that every situation has its own unique solution and a blanket formula wouldnt apply to all situations. Another thing not addressed is rider size. How would a 5'2 rider position his/ her body using the formula that a 6'2 rider is using?? And of course a picture is good for getting a general idea about what you should be doing but there is nothing better than an experienced instructor giving you tips...and then there is the best instructor of all, hands on experience.
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Old 05-01-2006, 09:19 AM   #15
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Every situation starts by knowing proper technique and adjusting as nescessary. Unless you weigh about 100lbs and ride a liter bike at the track I would not worry to much about shifting your weight back.
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Old 05-01-2006, 09:21 AM   #16
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Quote:
Originally Posted by jrock
You got a good point . I would imagine that every situation has its own unique solution and a blanket formula wouldnt apply to all situations. Another thing not addressed is rider size. How would a 5'2 rider position his/ her body using the formula that a 6'2 rider is using?? And of course a picture is good for getting a general idea about what you should be doing but there is nothing better than an experienced instructor giving you tips...and then there is the best instructor of all, hands on experience.
Learning proper positioning before you burn bad habits into your routine is helpful.
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Old 05-01-2006, 10:54 AM   #17
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thanks moody, for saying what i left out
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