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1000cc off the line?

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mr motorbiker
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PostPosted: 03:03 - 08 Jun 2006    Post subject: 1000cc off the line? Reply with quote

wats the best way to launch a powerfull bike off the lime for the quickest takeoff.

ive wheelied my r1 a few times now from a standing start and i dont really wanna do it again.

whats needed to keeps the front down, wat revs?

cheers
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TheDonUK
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PostPosted: 05:41 - 08 Jun 2006    Post subject: Reply with quote

I have never been on anything as powerful as an R1 so my opinion is mere speculation. But i would imagine tapping in crazy revs and dumping the clutch will result in wheelies, have you tried feathering the clutch (ie slowly releasing it, getting a feel for the most amount of power you can put down before the front comes up).
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Sephiroth
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PostPosted: 09:18 - 08 Jun 2006    Post subject: Reply with quote

There was another thread about this last night.

https://www.bikechatforums.com/viewtopic.php?t=85491
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Dark
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PostPosted: 09:50 - 08 Jun 2006    Post subject: Reply with quote

Your going to have to expect and cope with wheelies trying to launch an R1 mate.

Have you tried gently pressing the rear brake when the front wheel starts to rise?

That way you can keep it pinned
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ranna
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PostPosted: 20:35 - 08 Jun 2006    Post subject: Reply with quote

And put as much weight you can over the front as possible. Helps keep it down
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Paul@125power
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PostPosted: 22:34 - 08 Jun 2006    Post subject: Reply with quote

You can take off from a stand still with full throttle as long as you are good with the clutch. Otherwise oyu are on your backside with the bike a good distance infront of you in bits.
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hairychipstic...
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PostPosted: 23:21 - 08 Jun 2006    Post subject: Reply with quote

u can use full throttle as long as your clutch control is good??????
how about u try that and then tell us how u got on Thumbs Up
due to the torque, short wheel base and stuff
i find that the 1000 cant be launched much above 6000 with any degree of control
the 600k5 i had wud launch at 8000 with clutch slip and cud prob go higher up
400s will launch flat out, as will 250s
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strag
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PostPosted: 23:22 - 08 Jun 2006    Post subject: Reply with quote

Paul@125power wrote:
You can take off from a stand still with full throttle as long as you are good with the clutch. Otherwise oyu are on your backside with the bike a good distance infront of you in bits.


You are joking right? have you tried opening a 1000cc sports bike to its maximum revs and pulled away!

And it is a bit worying that Mr Motorbiker is riding an R1 and does uncontrolable wheelies from start off!
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Paul@125power
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PostPosted: 23:24 - 08 Jun 2006    Post subject: Reply with quote

I seen a guy at the lights do it once. He was riding a Suzuki Bandit 1000. So there. Razz .

He was revving it up and the pinned it back, it was screaming like hell, then...green light...he was off!
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V4
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PostPosted: 23:32 - 08 Jun 2006    Post subject: Reply with quote

In all fairness a bandits a big heavy bike with different power delivery, never been on an R1 or a bandit 1000 (didnt know there was a bandit 1000) I know a bandit 6 is nothing compared to a sports 600 wheelie wise and I could pretty much use any revs on it.

Coul you actually count the rpm through sound? lol

Leon
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Sephiroth
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PostPosted: 23:35 - 08 Jun 2006    Post subject: Reply with quote

Thought there were only Bandit 12's, not 1000 Shocked
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Paul@125power
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PostPosted: 23:37 - 08 Jun 2006    Post subject: Reply with quote

Maybe, all I know that it wasn't a 600 because it was really big.
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Sephiroth
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PostPosted: 23:38 - 08 Jun 2006    Post subject: Reply with quote

https://www.banditmania.co.uk/history.htm
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Bezzer
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PostPosted: 00:05 - 09 Jun 2006    Post subject: Reply with quote

Paul@125power wrote:
Maybe, all I know that it wasn't a 600 because it was really big.


Rolling Eyes err the 6 and 12 are basically the same physical size, most cycle parts interchange on them.
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Sephiroth
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PostPosted: 00:14 - 09 Jun 2006    Post subject: Reply with quote

Only difference is the engine kinda sticks out alot more on the 12, obviously because it's bigger Razz
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colin1
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PostPosted: 00:18 - 09 Jun 2006    Post subject: Reply with quote

does dumping the clutch on highish revs increase wear on the clutch ? a lot or not much ?
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DucatiEVO
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PostPosted: 01:05 - 09 Jun 2006    Post subject: Reply with quote

Easy way to tell them apart at a quick glance is:
1200 = Black Engine
600 = Silver Engine

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senna_f4
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PostPosted: 01:29 - 09 Jun 2006    Post subject: Reply with quote

Paul@125power wrote:
You can take off from a stand still with full throttle as long as you are good with the clutch. Otherwise oyu are on your backside with the bike a good distance infront of you in bits.

https://forum.gamestar.de/gspinboard/images/smilies/muhaha.gif

You might be able to get a "launch control" ECU, maybe a piggy back one that will retard the timing etc and limit the torque during low speed WOT moments. If it is a programable one you can set the maximum torque you can handle before you lose control.
The ECU should cut out once you have a managable forward velocity say set it to 30 mph

EDIT:
If you current ECU supports multiple maps, get a low torgue map for 1st gear, and select it when you are in first via a gear indicator switch, then go to full power maps in other gears Rolling Eyes
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ButtMonkey
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PostPosted: 01:53 - 09 Jun 2006    Post subject: Reply with quote

A full throttle pull off is possible.

Put a hyabusa in 6th...problem solved Laughing
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Dark
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PostPosted: 08:32 - 09 Jun 2006    Post subject: Reply with quote

Slipping the clutch at 5000 rpm is all thats needed, the ZX10R's front wheel goes skyward at around 7,000 rpm, so a lot of weight over the front combined with clutch control and feathering the back brake is needed especially when it hits the power at 10,000 rpm.

Its possible to float the front wheel into 3rd and sometimes 4th on really aggressive starts, that means the front wheel gets back onto terrafirmer between 130 and 150 mph Razz
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loply
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PostPosted: 14:31 - 09 Jun 2006    Post subject: Reply with quote

You could pull away at full throttle if you wanted (on any bike)... You would just have to moderate the clutch so that not all of that powered was delivered.

That should be obvious.

Whether or not it's practical or optimal is another matter.
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hairychipstic...
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PostPosted: 19:46 - 09 Jun 2006    Post subject: Reply with quote

it shud be obvious but its not really possible in the real world at all
try it and see Very Happy
i can launch my rs250 flat out in first and as the clutch is fully out i slip to 2nd so i do know how to launch a bike
with the 1000s u cant, not on a stock wheelbase 1000cc sportsbike
u cud try to moderate it, but by moderating u wud have to release it about 1/10 of a millimetre a second and wud liklely take 20 minutes to get moving
5000-7000 is as much as is possible in reality
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Wave2k
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PostPosted: 19:59 - 09 Jun 2006    Post subject: Reply with quote

i small wheelies is ok, it means it was a pretty good launch if the front wheel hovers about an inch or two, what you dont wanna do is fether it till the clutch fully grips and lauchnes the bike upward.
keep the clutch slipping at a good rate.
well thats what i do anyway, and it seems to work.
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DukeRed
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PostPosted: 20:13 - 09 Jun 2006    Post subject: Reply with quote

This is what confuses me about the BHP competition. No matter how much power you have there can only be so much until the front lifts.
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senna_f4
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PostPosted: 20:19 - 09 Jun 2006    Post subject: Reply with quote

DukeRed wrote:
This is what confuses me about the BHP competition. No matter how much power you have there can only be so much until the front lifts.


Under normal limits your acceleration will not be greater than a g, that is 9.8 m/s2 , so 60 mph approx 100kph meaning 2.83s to 0-60 mph is the theoratical maximum for normal tyres.

So any bike doing sub 3 seconds is at the limit, but for higher speeds you need more hp to overcome aerodynamic drag.

Thats what more hp is for Smile
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