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Author Topic: ??how do you deal with downhill decreasing radius turns?/  (Read 12383 times)
somegirl
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« Reply #30 on: October 17, 2009, 08:14:22 PM »

Somegirl is an example of how learning advanced techniques transfers because the way she explained her trailbraking, she sounds like she has taken a school, done trackdays, or learned from someone. I'm not sure which but she has picked up a skill that does transfer to the street to her advantage.  waytogo

Thanks fbd. Smiley

I did take 3 days of track schools but it was a while ago and I never worked on trail braking there. Embarrassed

I have learned a lot since we moved to the twisties a few months ago and I get to practice these things every day.  Most of the time I'm on the moto, sometimes in a car, sometimes on a bicycle and some things transfer over from my descending technique.
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« Reply #31 on: October 17, 2009, 08:21:38 PM »

At this point, I deal with them the same way I deal with all my other problems.

I drink heavily.  chug drink drink drink drink drink

 Wink

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« Reply #32 on: October 19, 2009, 06:02:17 AM »

 applause very good write up fasterblkduc!

 I spend a lot of time working on making the bike corner the way i want at an open airfield. If you hit the brakes HARD the front end dips and you can really get the bike to drop into a corner FAST.

When are you suppose to transition from brake to gas? If I read it right, you said your on the brakes when you are going into the turn....but how far into it before you let off? I'm afraid if i go into a turn with a fist full of brakes, ill loose the front...

This is how my throttle/brake goes

...going straight, hard braking, BEGIN the countersteer to snap the bike into turn and let off the brake.
At this point im probably 50% into the lean angle i decide on... then with the bike just engine braking, ill finish the lean in and before i reach the apex of the turn, ill rev the engine enough to pick up the chain slack so i dont break the rear when i get on the throttle, then i accelerate out of the turn...

Is there soemthing i can be doing better?
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fasterblkduc
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« Reply #33 on: October 19, 2009, 02:43:42 PM »


When are you suppose to transition from brake to gas? If I read it right, you said your on the brakes when you are going into the turn....but how far into it before you let off? I'm afraid if i go into a turn with a fist full of brakes, ill loose the front...


There is not one correct answer here because it depends on what you are doing in that corner. If you want to take the corner at a high cornerspeed, you are going to end your braking early. You will use the brake to set your corner speed and it will involve a little trailbraking but not a lot. You would also use the entire corner by starting wide hitting the apex tight, then running out wide on exit. This is if you want to carry high corner speed.

If you want to get into and through the corner before someone else (passing), then you are going to use less of the track and delay your braking, downshifting routine until later. You will start your braking later, and hold it longer. On most corners when doing this, you will brake all the way to the apex because you are trying to outbrake someone. You are right about the front end...you will load it hard. This is where you better have good suspension and front tire, because you will push the front end hard.

I routinely slide the front end but I'm on the UK Dunlop slicks that are AMA spec and they hook back up nicely.  Late braking is what I'm known for. Here's a video from our last school day. In the video you will see two students, (who are racers, and not slow) come up on me in T3. (BIR's new short course) They are on an R6, and a gixxer750. I am on my 620. They come into this turn at approx. 145, I come into it at 120mph. They try to split me and pass on both sides. I can see both of them next to me so I just start my braking later, hold my line right through the middle, and carry a lot more corner speed then they are. If the guy on the inside was real fast, he could have passed me, but the guy on the outside would have possibly been pushed out if this was a race and he tried to stick the pass. They have way more hp, but if you keep watching, they can't get around in any of the turns. It's not until they can get on the power that they pass. Here's the vid. Go to 8:00 for this part.
http://www.youtube.com/user/CRA5150#p/u/4/b3az2gZYBpE

So it depends on what you need to do and all corners are not equal. There are some corners that you can be back at full throttle just before the apex, and some that you are braking hard past the apex. You other question was about getting back on throttle. If you want to get faster, and smoother, you need to learn to eliminate the pause between chopping throttle, then doing your braking and shifting, then getting back on. You don't want any pause where you are coasting. You should be on throttle or on brake and not have a pause in there. You should go to what is known as a maintenance throttle as soon as your done braking. You can see it in motogp when they show the braking and throttle meters on the screen. You just ease the throttle on to keep the engine rpms up and start preparing for that drive out. This also keeps your suspension planted in the right stance. A little bit of throttle unloads the front slightly and hold the bike right where you want it. The you ease the power back on and the bike will start to stand up and run wide.

The proper way to grab the brake, and start that maintenance throttle is with smooth, controlled inputs. Don't ramp those inputs up fast, then drop them off. You mentioned grabbing the brake hard but you actually want to squeeze that lever slow and smooth. If you watch the front end of racebikes going into a corner, the front drops but it's a smooth controlled drop. You ease that brake on, set your suspension for the corner, then tip it in.

Ok, I typed this up fast, and now dinner is calling Grin So, I'll read this later and see if I'm leaving something out.  chug
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« Reply #34 on: November 15, 2009, 08:35:57 PM »

He Man needs a track day. waytogo
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« Reply #35 on: November 23, 2009, 06:19:16 PM »

He Man needs a track day. waytogo

i concur. Gonna need to work the corner to afford it. litterally Grin
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2006 Ducati S2R1100 Yea.... stunttin like my daddy CHROMED OUT 1100!!!!


Check out my Latest Video! 05/13/2017 :https://www.youtube.com/watch?v=P4xSA7KzEzU
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