How to Autocross Faster - Ep 2 - Slaloms Will Make or Break You. Do This to Win!
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- เผยแพร่เมื่อ 29 ม.ค. 2014
- How to autocross faster to win at autocross. Tips and tricks..
Evolution Autocrosser, Jeremy Ault, talks about and provides tips on how to slalom on an autocross course in the shortest time. Other topics include the slalom formula and backsiding the cones.
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Episode 3 on Hugging the Cones - • How to Autocross Faste...
You should not take anything from this video as being advice. That said, if you make the same mistakes we do or are new to autocross, maybe you may also find this video helpful.
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Epic video, thanks for the explanation. Yeah, slaloms can definitely break you easily.
I always thought backsiding cones was just advice for newbies to avoid "falling behind" the cones, and mid-apexing was actually the ideal line. But with this explanation, it makes sense that backsiding cones will give you a better exit onto any straightaway after the slalom.
I think it's the winning strategy in most cases. Check out the video I did a few months ago th-cam.com/video/4WdIJ33DR7Q/w-d-xo.html
Great job explaining the slalom! I can't wait to practice this at the next local autocross!
Good luck! Report back and lets us know if your times got better.
Thanks for putting this series up. I have my first event on the 28th and this is super helpful.
Thanks for the positive words! Episode 3 has just posted with more on the way.
Excellent video. I just started autocrossing and your videos are extremely helpful. Thanks for taking the time to make these!
still not sure what back siding is
@@zr2_beast464 The front of the cone is facing you - drive across the back side of the cone. Don't drive across the front of it - don't drive right along the side of it. Drive around the cone trying to stay as close as possible to the back side of it.
Love the series!
Thank you. More vids coming.
Episode 3 just posted.
great video, subscribed!
Thanks! More coming in the spring of 2019.
Super helpful video! So glad I subbed
Thanks for the sub! I'm so glad to hear you liked it. I have more on the way!
@@EvolutionAutocrosser I'll be looking forward to the next videos! Keep up the good work! Maybe my channel will get like yours some day.
Great videos! Please make more.
Thanks! I plan to make more just as soon as I can get my car back up and running. As yo may know my motor blew up last year but my new motor has been built, installed, and is just about ready to hit the course again very soon.
Episode 3 is up! Sorry it took 5 years. lol
Hey. Thanks for the great videos. What program or hardware did you use for the tracking and showing the blue and red dot racing each other?
I used to be good at Slaloms, then I went from 122 horsepower to 425 and now I suck at them ha ha.
Miata gang represent
this channel would be so popular wished you made more videos
2019 is the relaunch. I'm coming back with more.
Thanks for the push! New videos have been posted with more in the works.
Great video, Jeremy. I have to ask, is that time from the "Slalom Formula" the time it takes to travel from one cone to the next? I ask because of you mentioning 1 foot too wide on each cone.
Yes, DirtyD -- the slalom formula tells you how long it takes you to get from one cone to the next cone in the slalom. Ideally you want to touch each cone as you go by it so you only have to move laterally the width of the car plus the width of the cone. The "1 foot too wide" part I was talking about was just an example of what happens if you drive 1 foot to the side of each cone as you go by it instead of right next to it. If you do that, the formula shows that it will take you roughly 1/10th of a second longer to get from cone to cone.
Awesome. I will keep that in mind and practice it when I'm out on the course.
Hope the car get's back up and running in time for this season. Just don't let Kent blow it up anymore. Haha. See if you can convince him to take the GT500 out for at least one session.
Shouldn't this calculation have been 5.8 instead of 5.5 for the width? Or is the calculation subtracting something from the cars real width?
Sorry to ask, but english is not my native language, could any of you explain what does the vid mean when they say backsiding the car...
BTW really nice and helpful video.
Manuel Alejandro Jiménez Escobedo Hi, Manuel. I was saying you need to "backside the cone" which means you should drive around the cone on the back side - not the front and not the side.
6:45 *Perfect Practice Makes Perfect.
Good point. Bad practice makes imperfect.
@@EvolutionAutocrosserthey say practice merely makes a behavior permanent - whatever that behavior is
Jeremy I would like to ask how do you suppress the instability built up over the slalom? To be more precise, how to suppress the increase of body roll after clearing each cone. I tried to hold the car close to theory max speed though the slalom, but before long the instability built up to a point I can no longer hold the line to effectively clear the slalom (worst case, I end up spun out). Right now I have to either let go of the gas and tap on the brake to shift the weight of the car to force the car to hold the line in later section of the slalom or achieving the same effect by manipulating the accelerator paddle. I suppose I can achieve better time by going fancy to use left foot braking. But all three technique require delicate foot work and prone to huge penalty if I screw up. (I feel it harder to correct the line in a slalom compare to regular turn). Is there a less demanding way to suppress the instability (less possible screw up)? I am not sure if you experience this problem on sport car or tuned suspension. But I think the soft spring and low damping on the stock suspension is making the problem more apparent. I prefer to improve personal skill and squeeze all the potential of the car at current state before resort to tuning.
MrBS4 Hi. For some reason I didn't see your comment until a year later. So sorry!
I know exactly what you're talking about and I call it body wallow and it's common on soft suspension. Basically with each rapid transfer of weight from side to side, the springs seem to magnify the weight shift until the rear end kicks out and spins you. I've felt that before. There's not too much you can do other than just slow down or get better dampers / shocks to slow the weight transfer.
MrBS4 The smoother you drive and the less steering input you use the better it will be, however if your suspension is just too soft there isn't much you can do.
Hello...what App or camera are you using to compare the two drivers? Thanks
I used a traqmate for GPS data and captured video using a gopro. I used screen capture software to get the graphics from the traqmate then put it all together using a basic video editor.
Thanks
WTF is "Backsiding" a cone?
Watch my most recent video. I explain in detail with a diagram what back siding the cone is and what it looks like. I think this will help. th-cam.com/video/4WdIJ33DR7Q/w-d-xo.html
how do you find the amount of g's your car can handle
+DJGamingfps best way would be doing a figure 8 test and taking the time it took to get around a lap of the figure 8 and calculating g force from that.
Skid pad would be better
There are devices or software for your phone that will use the built-in accelerometer to measure lateral Gs.
Oh no, not the oranges!!!
Sorry. It's for a good cause. Justifiable collateral damages.
Sorry, but your "genius" autoxers didn't quite get it right. ...
it should be T ~ sqrt(d/g) * 2/sqrt(G=32.15) ~ 0.3527 * sqrt(d/g)
instead of T ~ sqrt(d/g) * pi/8 ~ 0.3927 * sqrt(d/g)
The functional form is the same, so nothing important really changes, it just was oddly wrong.
barnicle77 it later occurred to me that maybe I took what they said too literally. My expression is based on the model where you go from turn to turn instantaneously (which would be the fastest), but maybe they modeled something more realistic. Regardless, like I said, nothing important really changes anyway.
Good video. I take issue with "hello race car drivers". May I suggest "hello autocrossers"? Regardless, we probably can agree that "hello street car drivers" doesn't sound as cool.
Satakal Khalsa While autocross cars aren't really race cars, I thought it would just be something fun to say. We can dream, right?
No oranges were hurt in the making of this video....WRONG. Hopefully noodle arm has gotten to the Gum and can turn that wheel like he means it. Them oranges paid the ultimate price for ganglyness and social ackwardness...gonna go backside some cones. Hope they don't mind..lol..