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Thread: Braking

  1. #16
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    Quote Originally Posted by Jim2 View Post
    ... fuck the pigs?
    Ewww.



    Quote Originally Posted by vifferman View Post
    Burn them!
    Mmmm.

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  2. #17
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    Quote Originally Posted by McJim View Post
    When doing emergency stops I don't even bother with the clutch.
    I hear people say this, but I find that even with my gutless bike the engine seems to keep wanting to push the bike along unless I disengage the clutch and/or change down.

    I'm certainly in no danger of locking the front, haha. Even in the wet I'd have some difficulty. Look for the gap!

  3. #18
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    A sillyy we exercise I was taught years ago seems to have stood me in good stead, and I highly recommend it.

    Every time you come to a stop - see if you can come to a complete stop before you take your feet off the pegs. Ideally you should be able to ride up, brake to a stop, sit there for 1/2 a second then smoothly accelerate away again.

    Do it while slow braking, and heavy braking... try it in a variety of situations. Really good for balance, co-ordinated use of controls and braking.... and you can do it every time you come to a halt.
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  4. #19
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    As a corollary to the main thrust of this thread, I'd like to make the point that generally speaking, motorcycles simply don't have the straight-line braking capabilities that cars do.

    If you're in traffic and the four-wheeled vehicles around you start locking up their wheels, you probably won't be able to stop as quickly as them, no matter how good your skills are (particularly on a wet road).

    While being able to control one's bike at the very extremes of braking performance is an essential skill to learn, it's also very important to maintain full situational awareness on the road and to remember that in many situations, you won't save your arse from a crash without swerving as well as (or instead of) braking.

    The best reason to practice heavy braking is to make it just another component of one's instinctive bike-control repertoire so that it can be incorporated as part of an evasive maneuver.

    Trackdays make for good training in this regard - you always end up hunting for your bike's traction limits while turning hard under heavy braking, so the handling skills that you pick up while doing laps are precisely what you need in emergency avoidance situations on the road.
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  5. #20
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    Quote Originally Posted by MyGSXF View Post
    if you look down.. you will go down!!!
    Wahayyyyyyy!!!!! (sorry couldn't let that on go by....)

    I did read your entire post Jen and agree with every part of it, great explanation of 'the squeeze' as i call it.
    Late last year I almost mounted a VTR1000 (aye oldguy?) anyway, story goes...we were on a rather large group ride, backroads down the line and some of us missed a turn off. John (on the VTR) came around me on my right and pulled in rather close braking. I was slowing but had to use 'the squeese' to the utter most and I dont mind admitting that I controlled this manouver like a master (yes im full of it...) ..what i mean is, I grab the front brake and say to myself stop stop stop stop ect, each time squeezing just a little harder until the bike stops, gearing down as I slow. This all happened in about 5 seconds and I swear I reckon my front tyre went between the rear tyre and the right pipe on Johns VTR. Anne was on the back and she saw everything, over my shoulder, I was stopping that hard...but controlled, hope I can repeat it someone if needed.

  6. #21
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    Quote Originally Posted by jrandom View Post
    As a corollary to the main thrust of this thread, I'd like to make the point that generally speaking, motorcycles simply don't have the straight-line braking capabilities that cars do.
    Absolutely untrue and I'll find the Performance Bikes article that demolished this myth once and for all.

    They used bikes from Valkyries to Blackbird's, with and without ABS, and they absolutely demolished a small hatch with ABS, traction control, and yaw control in terms of braking distance. Even the Valkyrie, and even in the wet. The more experienced testers were beating the ABS equipped bikes by metres.

    There have been a couple of significant studies carried out in the UK using accelerometers on race bikes, and John Reynolds, multiple BSB champ was using almost exactly the same amount of braking force, wet & dry. He just took longer to apply that maximum force in the wet.
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  7. #22
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    Quote Originally Posted by jrandom View Post
    Trackdays make for good training in this regard - you always end up hunting for your bike's traction limits while turning hard under heavy braking, so the handling skills that you pick up while doing laps are precisely what you need in emergency avoidance situations on the road.
    Have to disagree strongly with this statement. Brakes on a race track are not for stopping, they are for negative acceleration. You use your throttle to set your velocity (positive acceleration) and your brakes to set your corner entry speed. The dynamics of rapidly braking to a complete stop without screwing up like I did and locking the front tyre are utterly different to adjusting corner entry speed.
    If a man is alone in the woods and there isn't a woke Hollywood around to call him racist, is he still white?



  8. #23
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    Quote Originally Posted by Jim2 View Post
    The dynamics of rapidly braking to a complete stop without screwing up like I did and locking the front tyre are utterly different to adjusting corner entry speed.


    I dunno, eh, heading off the back straight into the chicane at Taupo with the front end fully compressed and wanting to skitter feels a lot like the times when a truck pulls over in front of me and I have to slow down quickly before scooting up one side of it.
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  9. #24
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    Quote Originally Posted by Jim2 View Post
    Absolutely untrue and I'll find the Performance Bikes article that demolished this myth once and for all.
    You know, if I'm going to be comprehensively shown up as being full of shit, I quite like having it done in a way that makes bikes better than cars.



    A link to that article would be great wiki material, actually.
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  10. #25
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    Quote Originally Posted by Jim2 View Post

    They used bikes from Valkyries to Blackbird's, with and without ABS, and they absolutely demolished a small hatch with ABS, traction control, and yaw control in terms of braking distance. Even the Valkyrie, and even in the wet. The more experienced testers were beating the ABS equipped bikes by metres.

    There have been a couple of significant studies carried out in the UK using accelerometers on race bikes, and John Reynolds, multiple BSB champ was using almost exactly the same amount of braking force, wet & dry. He just took longer to apply that maximum force in the wet.
    Interesting, I'd like to see the put into practice on the road with your average Joe on the bike and the average Joe in a car, not every one is John Reynolds or Micheal Schuemacher for that matter.
    The brakes on my bike I think are pretty good but i'd seriously hesitate to say it would brake as well as the Skyline GTS25t that I had. (sporty bike/sporty car) Just an instance, many varyables involved in these sorts of things.

  11. #26
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    Quote Originally Posted by jrandom View Post

    skillZ learned from braking hard and turning on the track carry over into emergency traffic situation management on the road
    absolutely

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  12. #27
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    The only "skills" I've seen carried from trackdays to road riding are big giant fuck off accidents. The two are similar only in that you are riding a bike. If trackdays had traffic going the other way, driveways, kids, cows, and random mudslides they'd be a useful adjunct to road riding training.

    Track days are fun. That is it. I really object to them being pushed as any way useful in helping with rider training.

    I know what you are saying about the bike moving around, but if you aren't coming to a dead stop, or plotting and carrying an avoidance move in response to an event that happened without warning right NOW it isn't in any way a simulation.
    If a man is alone in the woods and there isn't a woke Hollywood around to call him racist, is he still white?



  13. #28
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    Quote Originally Posted by Jim2 View Post
    Track days are fun. That is it. I really object to them being pushed as any way useful in helping with rider training.
    I absolutely disagree.

    I'll never be able to prove it; you can't prove a negative, but I'd bet good money on the fact that there are people walking around out there in one piece who wouldn't be if a trackday hadn't given them the trust in their bike's cornering ability to get safely around an unexpectedly decreasing radius or sudden obstruction or bad surface on the road.
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  14. #29
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    Quote Originally Posted by jrandom View Post
    I absolutely disagree.

    I'll never be able to prove it; you can't prove a negative, but I'd bet good money on the fact that there are people walking around out there in one piece who wouldn't be if a trackday hadn't given them the trust in their bike's cornering ability to get safely around an unexpectedly decreasing radius or sudden obstruction or bad surface on the road.
    True - otherwise, I agree fully with Jim.
    Although - I had learned all those things, before I went to a trackday. Trackdays just let me do them faster, without hitting an oncoming car!
    Nothing beats training for the road, like riding on the road.
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  15. #30
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    Quote Originally Posted by SPman View Post
    True - otherwise, I agree fully with Jim.
    Although - I had learned all those things, before I went to a trackday.
    Yes; but for a new rider (like me) trackdays are an excellent way of accelerating that learning.

    That said, the primary reason I go to trackdays is to make the edges of my tyres and the underside of my footpegs look used, pull rude gestures at my friends when I manage to ride around them, and get my knee down in front of professional photographers.

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