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Author Topic: Crashes  (Read 502 times)

Offline XRacerX

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Crashes
« on: 08/14/11 01:06PM »
Feel free to post up some crashes, and we can discuss why they happened..

Motorcycle Crash - Rider Thrown Over Guardrail on Mulholland Hwy
...Darrin
Jennings GP Instructor/Control Rider
Ask me about doing your first trackday!!
Check it out!! http://www.youtube.com/watch?v=PLrOZHqnevc

Offline XRacerX

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Re: Crashes
« Reply #1 on: 08/14/11 01:08PM »
I'd say this guy could have easily made the corner if he would have just trusted his tires, and leaned the bike over.   Entered the turn to tight, or close to the center of the road. Appears he target fixated on the guard rail, and panicked. Im sure he will be sore in the morning.  Lucky he didnt slice his kneck open on the top of the guardrail.  That has happened at Barber in the past with people getting killed.
...Darrin
Jennings GP Instructor/Control Rider
Ask me about doing your first trackday!!
Check it out!! http://www.youtube.com/watch?v=PLrOZHqnevc

Offline XRacerX

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Re: Crashes
« Reply #2 on: 08/14/11 01:15PM »
An example why I wear boots when I ride.

Motorcycle Crash - Yamaha R6 Lowsides into Guardrail on Mulholland Hwy
...Darrin
Jennings GP Instructor/Control Rider
Ask me about doing your first trackday!!
Check it out!! http://www.youtube.com/watch?v=PLrOZHqnevc

Offline XRacerX

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Re: Crashes
« Reply #3 on: 08/14/11 01:35PM »
Put another Shrimp on the Yami

Motorcycle Crash - R6 Highsides & Burns on Mulholland
...Darrin
Jennings GP Instructor/Control Rider
Ask me about doing your first trackday!!
Check it out!! http://www.youtube.com/watch?v=PLrOZHqnevc

Offline TallyCannon

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Re: Crashes
« Reply #4 on: 08/14/11 03:12PM »
I'd say this guy could have easily made the corner if he would have just trusted his tires, and leaned the bike over.   Entered the turn to tight, or close to the center of the road. Appears he target fixated on the guard rail, and panicked. Im sure he will be sore in the morning.  Lucky he didnt slice his kneck open on the top of the guardrail.  That has happened at Barber in the past with people getting killed.
Yeap he got tunnel vision and it was over when he locked the back brake up. He should have turned it in.
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Offline TallyCannon

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Re: Crashes
« Reply #5 on: 08/14/11 03:14PM »
In the second one... That tennis shoe did not do a very good job. Wear boots folks.
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Offline TallyCannon

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Re: Crashes
« Reply #6 on: 08/14/11 03:26PM »
Third vid.. Yamaha on fire after crash... Normal... Anyone got the hog dogs...
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Offline Mark

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Re: Crashes
« Reply #7 on: 08/14/11 07:09PM »
Great idea XRX! Great opportunity to learn from other people's mistakes.

Vid 1: We can't see what happened just before the video starts, but the rider may have been coming in WAY too hot for the turn, and was trying to slow down as much as possible before leaning (because we all know it's bad to brake while leaning, right??). But his mistake was he never stopped braking and started leaning. I think he had already reached safe cornering speed by the time his tire started sliding, but he wasn't mentally ready to start the lean. In his mind, stopping before hitting the rail was his only focus. You've got to know these bikes do NOT stop quickly, but they can maneuver like nobody's business. Trust your tires. If you're going to hit the rail anyways, better to lean and lowside than hit the rail upright and highside over the side of the mountain.

Vid 2: It's a little harder to see the mistake in this one. It just looks like he leaned farther than his bike could handle and the tires let loose. Maybe the tires were bald on the edges, or maybe they weren't really broken in, or maybe the extreme edges of the tire hadn't warmed up sufficiently yet. The lesson here is don't take the first turn at full lean; gradually increase the lean on each turn so you give the edges of your tires adequate friction to heat up before you go full lean.

It's also possible his tires didn't let loose until something else got caught between the bike and the ground, like his foot, lightening the load on the tires and breaking traction. In this case, he was simply going too fast. You can only lean so far. I also noticed his body's not leaning off the bike at all. In fact, he appears to be counter-leaning. I've heard it's better to shift your weight off of the bike and into the turn, so you can keep the bike a little more upright and improve cornering. XRX, as a racer and track instructor, is this tip accurate, or was I misled?

Finally, the lesson I learned from the third video was always have insurance if you can't afford to buy a new bike. Not all wrecks can be repaired with parts on eBay.

Offline spadoc79

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Re: Crashes
« Reply #8 on: 08/14/11 07:52PM »
vid 2-- looked like he touched the front brake.

Offline EBGB

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Re: Crashes
« Reply #9 on: 08/15/11 12:34AM »
In video 2 , well I'm sure track riding is different than street but since I literally just took my endorsement this is a huge misconception  and mistake ppl are making and is why ppl are ending up on sides of roads  on corners. The correct way is to do your braking , and slowing before the corner or turn, then press the bar the direction your going and your body is supposed to be independent of your motorcycle lean. Most do opposite and lean with their bike, which actually pushes all the weight straight out from under you. Just like this guy. Add some brake in a corner and you hit the pavement even faster.

Offline EBGB

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Re: Crashes
« Reply #10 on: 08/15/11 12:37AM »
And to go a step further you then, obviously if you make it out the corner unlike this guy accelerate out of the corner you all had to do the press and lean excersise plus the cornering thing to get your endorsement

Offline Mark

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Re: Crashes
« Reply #11 on: 08/15/11 01:57AM »
The correct way is to do your braking , and slowing before the corner or turn, then press the bar the direction your going and your body is supposed to be independent of your motorcycle lean. Most do opposite and lean with their bike, which actually pushes all the weight straight out from under you.

It's been four years (almost exactly) since I took the MSF course, but I'm pretty sure I remember the mantra, "push left, lean left, go left." Leaning is not independent of turning. During the figure-eight exercise, you're taught that counter-leaning is necessary at slow speed to keep the bike balanced. At speed, however, you're supposed to lean into the turn.
« Last Edit: 08/15/11 02:03AM by Mark »

Offline Maverick

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Re: Crashes
« Reply #12 on: 08/15/11 10:22AM »
DUDE! I have subscribed to this guy a few month ago and he has pretty awesome videos and some that make you wish that these things never happen to you.  All-in-all, good stuff.  "the cremation" (i am calling it), was sad to see your bike die before your eyes.  Fire is a powerful element. crazy! RIP-yamahaR6.
Dave Moss 'Two Clicks Out' Motorcycle Suspension Series Vol. I DVD
http://tinyurl.com/6uelt6g
'Intro to Sportbike Suspension' with Dave Moss DVD
http://tinyurl.com/7dy8j64

Offline Chef

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Re: Crashes
« Reply #13 on: 08/15/11 12:46PM »
Video 1- Bad Line, no leaning, lucky he didnt lose his head!!

Video 2- There is only so far a bike can lean, his body was so stiff. And full gear with Reeboks?

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Offline Yogi

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Re: Crashes
« Reply #14 on: 08/15/11 12:58PM »
Scooter Crashes Into Guardrail on Mulholland
D&D cans >> Zero Gravity windscreen >> RK chain >> K&N air filter >> Supersprox stealth rear sprocket (+2) >> Vortex front sprocket (17 T) >> PC III >> and other cosmetic modz

 


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