RE: Some feedback needed on braking??
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RE: Some feedback needed on braking?? - 3/17/2008 3:21:29 PM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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No worries. Got the blipping thing.
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RE: Some feedback needed on braking?? - 3/18/2008 4:11:25 AM
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kukku
Posts: 127
Joined: 9/2/2007 From: Malta - Europe Status: offline
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Can you kindly elaborate a bit more? quote:
I think you should listen (and so should some of the other posters who thought it was a good idea to talk about "what they do"). Some of you guys are going to get hurt with some of these dangerous philosophies. Remember to separate technique and philosophy. I liked your point: quote:
and remember not to get too tied down to doing things one way every time
_____________________________
2001 CBR600F4i Scorpion Slip-On Exhaust, Matris M2 Steering Damper, Ermax Hugger, Ermax Clear Dark Black Screen, Clear LED Tail light, WR Design Heel Guards, Woodcraft sliders now on thanks to my Dad!
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RE: Some feedback needed on braking?? - 3/18/2008 7:42:14 AM
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Jaybird180
Posts: 2659
Joined: 5/12/2006 Status: offline
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I think Keith Code is the master explainer on this subject. This article is from where I cite as my references for my above comments. http://forums.superbikeschool.com/index.php?showtopic=258 I'd be happy to discuss further. I've read this article (and many others) several times over the years.
_____________________________
Track/Street 02'' F4i ZG Dbl Bbbl, Galfer SS Lines, PC3r, Muzzy s/o, NRC cover, ShiftMinder(WTF?), Speedbleeders, Vortex sliders, fenderless, GP Shift Ohlins, Racetech, Showa Suspension Don''t go in the forest if you don''t want to go to Granny'
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RE: Some feedback needed on braking?? - 3/18/2008 8:10:23 AM
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woot
Posts: 782
Joined: 7/24/2006 From: NS, Canada Status: offline
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I personally always use both brakes* all of the time. Using the rear brake you can help the bike's suspension. Dragging the rear tire the bike won't transfer the weight to the front as harshly. You do want to let the weight transfer, but you want to minimize the instability in the suspension. As always - it is a matter of being smooth and firm. Going hard on either brake will not stop you as efficiently as coming onto the brakes and increasing preasure... Grabbing a mitt full will never give you a chance to modulate the brake preasure. If anything is going to go wrong and you're giving it a full mitt - you'll hit the deck before you even knew what happened. I have a number of exercises I do every spring. One is a no-brakes ride (low straight speed, moderate turn speed) and another is a braking exercise. Start riding at ~30mph - and stop with both brakes easily. Do it again, increase preasure. Do it again, increase pressure. As you keep repeating the exercise the tires are getting warmer, you're getting more comfortable, and things are starting to come back to you. The last few runs are full on braking - and you want to do it without locking or lifting anything. This is a pretty hard full body workout. Repition does a few things - you get smoother, you learn the limit, and you train your body to do the right thing. Next time an emergancy stop pops up - your body will know better what to do... and it might shave enough feet off the stopping distance that you'll ride away shaking your head, instead of crashing/falling. Just my $0.02.
_____________________________
2000 CBR 600 F4 Full M4, -1,+2 520, Speedohealer (-11.4%), AutoCom Pro, Garmin Nuvi 360 GPS/MP3, Cobra FRS/GMRS , Vortex sliders, mirrored windscreen, Cortech bags and Aux Fuse box. Safety wired and ready to go
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RE: Some feedback needed on braking?? - 3/18/2008 8:17:38 AM
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woot
Posts: 782
Joined: 7/24/2006 From: NS, Canada Status: offline
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* - things change given road conditions. I will use almost all rear brake downhill at low speeds in deep gravel for example... with a rear tire failure it's all front brake. In wet weather the front is used more gradually than ever...
_____________________________
2000 CBR 600 F4 Full M4, -1,+2 520, Speedohealer (-11.4%), AutoCom Pro, Garmin Nuvi 360 GPS/MP3, Cobra FRS/GMRS , Vortex sliders, mirrored windscreen, Cortech bags and Aux Fuse box. Safety wired and ready to go
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RE: Some feedback needed on braking?? - 3/18/2008 8:17:59 AM
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kukku
Posts: 127
Joined: 9/2/2007 From: Malta - Europe Status: offline
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Yeah, I came across that article, it is quite comprehensive and I'm dying to take one his classes. I asked you to elaborate not to challenge you but to learn myself some more. I'm not sure if you felt that my post is of the quote:
dangerous philosophies category. Any feedback / criticism are always very welcome and appreciated.
_____________________________
2001 CBR600F4i Scorpion Slip-On Exhaust, Matris M2 Steering Damper, Ermax Hugger, Ermax Clear Dark Black Screen, Clear LED Tail light, WR Design Heel Guards, Woodcraft sliders now on thanks to my Dad!
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RE: Some feedback needed on braking?? - 3/18/2008 9:37:26 AM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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quote:
ORIGINAL: Jaybird180 I think Keith Code is the master explainer on this subject. This article is from where I cite as my references for my above comments. http://forums.superbikeschool.com/index.php?showtopic=258 I'd be happy to discuss further. I've read this article (and many others) several times over the years. Great resource...I haven't looked at that for awhile.
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RE: Some feedback needed on braking?? - 3/18/2008 9:38:52 AM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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quote:
ORIGINAL: woot I personally always use both brakes* all of the time. Using the rear brake you can help the bike's suspension. Dragging the rear tire the bike won't transfer the weight to the front as harshly. You do want to let the weight transfer, but you want to minimize the instability in the suspension. As always - it is a matter of being smooth and firm. Going hard on either brake will not stop you as efficiently as coming onto the brakes and increasing preasure... Grabbing a mitt full will never give you a chance to modulate the brake preasure. If anything is going to go wrong and you're giving it a full mitt - you'll hit the deck before you even knew what happened. I have a number of exercises I do every spring. One is a no-brakes ride (low straight speed, moderate turn speed) and another is a braking exercise. Start riding at ~30mph - and stop with both brakes easily. Do it again, increase preasure. Do it again, increase pressure. As you keep repeating the exercise the tires are getting warmer, you're getting more comfortable, and things are starting to come back to you. The last few runs are full on braking - and you want to do it without locking or lifting anything. This is a pretty hard full body workout. Repition does a few things - you get smoother, you learn the limit, and you train your body to do the right thing. Next time an emergancy stop pops up - your body will know better what to do... and it might shave enough feet off the stopping distance that you'll ride away shaking your head, instead of crashing/falling. Just my $0.02. That's definitely doable and you explained the first part well. Cheers.
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RE: Some feedback needed on braking?? - 3/18/2008 9:39:41 AM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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quote:
ORIGINAL: woot * - things change given road conditions. I will use almost all rear brake downhill at low speeds in deep gravel for example... with a rear tire failure it's all front brake. In wet weather the front is used more gradually than ever... Good to know.
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RE: Some feedback needed on braking?? - 3/18/2008 9:41:40 AM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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All these concepts, once you get to the root of it and with plenty of practice, my skills and confidence will come. And soon I'll be going to track and getting some instruction and, again, they'll fine tune it.
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RE: Some feedback needed on braking?? - 3/18/2008 10:57:19 AM
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Jaybird180
Posts: 2659
Joined: 5/12/2006 Status: offline
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Actually KUKU I didn't have an issue with your comments. WOOT- You know that you have my respect as an iron butt, but don't you think that your "always" advice is a bit preachy? FWIW, suspension instability on braking usually means too much rebound or too soft springs. We can't expect to follow "general" guidance and tell newbs, "this is how it's done, Sonny Boy". That's with braking or any other aspect of riding. It's just an "idea". Don't marry the idea. My point as above is, the F4i is a SPORTBIKE, and as general (here I go) they are ridden with a different technique than the standards we learned on at MSF. The front brake has the ability to do 100% of the braking. That's not my words, those are the words of experts like Mr. Code. This is why we can endo an F4i. We can also use the rear brake to good effect as well, and as WOOT pointed out, by applying a bit just before front application to reduce weight transfer or to tighten lines mid-corner.
_____________________________
Track/Street 02'' F4i ZG Dbl Bbbl, Galfer SS Lines, PC3r, Muzzy s/o, NRC cover, ShiftMinder(WTF?), Speedbleeders, Vortex sliders, fenderless, GP Shift Ohlins, Racetech, Showa Suspension Don''t go in the forest if you don''t want to go to Granny'
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RE: Some feedback needed on braking?? - 3/18/2008 10:59:26 AM
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Jaybird180
Posts: 2659
Joined: 5/12/2006 Status: offline
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Forgot to add: when the weight transfers to the front, the suspension compresses but also so does the tire, which increases it's footprint. Think over that.
_____________________________
Track/Street 02'' F4i ZG Dbl Bbbl, Galfer SS Lines, PC3r, Muzzy s/o, NRC cover, ShiftMinder(WTF?), Speedbleeders, Vortex sliders, fenderless, GP Shift Ohlins, Racetech, Showa Suspension Don''t go in the forest if you don''t want to go to Granny'
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RE: Some feedback needed on braking?? - 3/18/2008 11:11:36 AM
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woot
Posts: 782
Joined: 7/24/2006 From: NS, Canada Status: offline
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The nature of my character and internet communication... :) Personally I'd love spend my life talking about the details of how a bike works and how one could improve ones technique... but given my size, ability and budget I'm not going to be a professional racer... I'll take my seat as a desktop typer. I think the intent of my post can be distilled to practice. The "always" part is what I do... and I do overly communicate that at times... I do think that a beginner rider should work on making most of this type of stuff muscle memory. Take the thinking out of the actions. I guess that's my always ;)
_____________________________
2000 CBR 600 F4 Full M4, -1,+2 520, Speedohealer (-11.4%), AutoCom Pro, Garmin Nuvi 360 GPS/MP3, Cobra FRS/GMRS , Vortex sliders, mirrored windscreen, Cortech bags and Aux Fuse box. Safety wired and ready to go
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RE: Some feedback needed on braking?? - 3/18/2008 11:18:14 AM
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woot
Posts: 782
Joined: 7/24/2006 From: NS, Canada Status: offline
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Am I supposed to be thinking about the foot print? Front tire: Weight transfer and increased footprint = more traction, so more and more can be spent on braking. Rear tire: Less weight due to transfer, smaller contact patch = less friction, so less and less can be spent on braking. For the beginner rider I can understand why one would suggest to only use front. The problem there is that if you train them to do that, then you have to later retrain them to do that when you want to get them to use the rear brake. The first thing a person does when caught in a panic stop is what the body feels is right - you can train the body to do the "right thing" (what ever that is) or let it do the natural human thing (the death squeeze - resulting in lock-up).
_____________________________
2000 CBR 600 F4 Full M4, -1,+2 520, Speedohealer (-11.4%), AutoCom Pro, Garmin Nuvi 360 GPS/MP3, Cobra FRS/GMRS , Vortex sliders, mirrored windscreen, Cortech bags and Aux Fuse box. Safety wired and ready to go
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RE: Some feedback needed on braking?? - 3/18/2008 12:29:34 PM
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HockeyFan
Posts: 157
Joined: 3/11/2008 Status: offline
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quote:
ORIGINAL: Jaybird180 My point as above is, the F4i is a SPORTBIKE, and as general (here I go) they are ridden with a different technique than the standards we learned on at MSF. The front brake has the ability to do 100% of the braking. That's not my words, those are the words of experts like Mr. Code. This is why we can endo an F4i. We can also use the rear brake to good effect as well, and as WOOT pointed out, by applying a bit just before front application to reduce weight transfer or to tighten lines mid-corner. This is what i've been working on the last couple of days as it is physics "thing". The other factors, i feel, can fine tune other aspects of braking. Cheers
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