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Please play nicely.  No one wants to listen/read a keyboard warriors rants....

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Author Topic: Bike Jack  (Read 1313 times)

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tunnie

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Re: Bike Jack
« Reply #15 on: 14 September 2011, 10:00:30 »

I don't lean the GS over far enough to experience that  ;D ;D ;D

Watching TT I was wondering why shaft drive was not considered, races can often be won by just seconds. Yet the rear tyre change on lap3 takes a considerable amount of time. Not to mention amount of times a snapped chain has ended a race winning performance  :-/

Its dead simple to replace rear wheel on shaft drive bikes, if they could save 15 seconds in the Pits could be big advantage. Guess on the limit like that though, shaft drive is heavier, and if it does give torque steer that could cause problems too  :-/ :-/
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I am a Daisy

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Re: Bike Jack
« Reply #16 on: 14 September 2011, 19:47:07 »

Quote
scottoilers,rule :y


 :y :y :y
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tidla

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Re: Bike Jack
« Reply #17 on: 14 September 2011, 22:57:30 »

i thought this thread was a new crime wave..
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albitz

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Re: Bike Jack
« Reply #18 on: 14 September 2011, 23:06:59 »

Quote
I don't lean the GS over far enough to experience that  ;D ;D ;D

Watching TT I was wondering why shaft drive was not considered, races can often be won by just seconds. Yet the rear tyre change on lap3 takes a considerable amount of time. Not to mention amount of times a snapped chain has ended a race winning performance  :-/

Its dead simple to replace rear wheel on shaft drive bikes, if they could save 15 seconds in the Pits could be big advantage. Guess on the limit like that though, shaft drive is heavier, and if it does give torque steer that could cause problems too  :-/ :-/

On sports bikes (and even more so on race bikes) weight is the big enemy, particularily weight in the wrong place.Manufacturers spend millions to lose weight from bikes and shift whats left into the best area to have it.Roughly in the middle of the wheelbase and not too high up. :y
They are setup for quick wheel changes anyway, so I doubt shaft would save much ,if any time.
Endurance racers originally had single sided swingarms to facilitate quick wheel changes,as they had to change a lot of tyres in 8/12 or 24 hour races, and then Tamburini incorporated it into the Ducati 916, just because it looked so cool - in typical Italian fashion.
« Last Edit: 14 September 2011, 23:10:48 by albitz »
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I am a Daisy

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Re: Bike Jack
« Reply #19 on: 15 September 2011, 17:32:43 »

As you mentioned before tunnie, torque steer has a big effect but more than you think, it really affects side to side "flickability" especially on a race bike. As Albs said also weight but a shaft drive also absorbs more power because of the way the driveline transmits the power. Most race bikes use a 520 chain as its the smallest size for weight, that can cope with the power, just! Just ask Mr McGuiness about that lol!
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albitz

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Re: Bike Jack
« Reply #20 on: 15 September 2011, 17:35:24 »

Slightly off topic but mine passed its MOT this morning (after an embarrassing hiccup) with an advisory on front pads - which was nice. :)
« Last Edit: 15 September 2011, 17:35:51 by albitz »
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tunnie

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Re: Bike Jack
« Reply #21 on: 15 September 2011, 18:37:48 »

Quote
Slightly off topic but mine passed its MOT this morning (after an embarrassing hiccup) with an advisory on front pads - which was nice. :)

But how many miles had it done since its last MOT? TB holds record so far, 170 miles  ;D ;D ;D
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albitz

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Re: Bike Jack
« Reply #22 on: 15 September 2011, 19:20:59 »

1165. :-[ :-[ ::)
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I am a Daisy

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Re: Bike Jack
« Reply #23 on: 15 September 2011, 19:35:30 »

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1165. :-[ :-[ ::)

Lol! Just over halfway through my first rear tyre this season! Lol! In June! Lol! Pilot Powers suck,lol!
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