TRAIL EXPLAINED! | Motorcycle racing geometry
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- Опубліковано 6 сер 2024
- Trail is crucial to motorcycle setup. It has a major effect on the handling of the bike, and to achieve the fastest possible race setup, setting up the trail correctly is paramount.
Aaron from Zero One Racing (www.zerooneracing.com) explains what trail actually is (along with rake and offset) and why it's so important, while delving into the actual science and mechanics behind trail.
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Excellent explanation mate. Impossible not to give you a like.
Subscribed right away. Clear concise education.
Thank you. This has helped me understand the dynamics on my dirt bike.
Damn, I wish this channel had more videos. Normal riders are becoming way more interested in this stuff these days
Simple and clearly explained...
Brilliant video!
very well explained thank you!
No problem! Thank you very much! 👍
GREAT EXPLANATION!!
ALMOST EVERY THINGS ARE CLEARED IN MY HEAD NOW.
IT WOULD BE GREAT IF YOU MAKE ANOTHER VID ABOUT WOBBLE RELATING TRAIL,RAKE, AND OFFSET.
Thanks for your comment! That's great to hear! Also thanks for the recommendation.
Fantastic video great explanation. Subscribed!
Thanks!
Thanks this a very good video.
Thank you, really appreciated!
thank you. 👍
The man!
nice video!!
Thank you hsiao! :D
One of the best explanations I've found on youtube.
Thanks very much!
Nice video.Good explanation.Regards from Kashmir Valley.
Thank you! 👍
I’m just now starting to grasp this information, now is the realigning force on the contact patch pivot equal to the amount of trail?
will changing rear :
>ride height
>wheel size
change trail nos !
nice video...subscribed brooo...👍👍
Gear to hear it! Thanks!
What about these following other effects depending on the trail:
- trail braking a bike with longer trail is going to generate a higher straightening effect
- leaning in a longer trail bike the first degrees from the vertical is going to require more effort, but once at lean the weight acting on a longer lever isn't going to turn the steering more toward the turn? Or is this fully compensated by the same longer lever the centripetal force on the contact patch acts onto?
Thanks
What happened to the days when you could buy software and not rent it ? I might consider 750gbp if it was a one time purchase and not an annual subscription.
Increasing offset decreases trail... and increasing rake increases trail... so if both of these
changes were made to achieve the same trail, how would that effect steering?
Please take a look at a Scooter called the Speedway 5 by Minimotors.
It looks to me like it has Negative Steering Trail!
Am I wrong or is that scooter front end design insane?
Haven’t seen it in other scooters.
Is this not the same as castor effect?
Zero One Racing Hi, what are the adjustment can be made to have more agility? add more front preload and lowering front fork? any other suggestions? thanks
Hi, thanks for your comment. There are many aspects of the geometry which influence the agility of the bike, with trail, wheelbase and centre of gravity height being some of the major ones. As mentioned in the video, a smaller trail value will likely give more agility. Things that can be done to reduce our trail include lowering the front of the bike (by sliding the forks further through the triple clamps), raising the rear height (this will likely have other significant knock-on effects), changing triple-clamp offset (this won't be an option for all bikes) and finally changing our suspension set up. With regards to the forks, increasing preload will mean the forks won't compress as far when a given force is applied, meaning the front will sit higher and this will actually increase our trail value. Making the forks compress more (softer springs, less preload, etc...) will give us a smaller trail value, however it must always be considered how a change to the suspension will react in all areas of riding and if this is going to be beneficial to us. If you have your suspension springing optimally set up already, it may not be a good idea to change this in order to influence our trail.
@@zerooneracing7430 Wow thanks for the details. Yes you are right, my suspension springing optimally set up already, so not a good idea to touch the preload. I think the cheapest and fastest way now is to lowering the front of my bike, I am thinking about 1 cm. My bike is a CBR650F and no worries alot of clearance left. Thanks :)
Great video! I have a question about it. If we take two different bike, with same normal trail but different rake angle, the bike with higher rake will have higher ground trail, so higher ground trail = more stability, same normal trail = same handlebar torque. So looks that higher rake made a bike more stable maintaining agility, is it true?
@Yash Parmar that's not true, if you increase offset you can maintain the same normal trail with higher ground trail
@Yash Parmar simple math. Take an example, wheel radius of 300mm, rake angle of 25°, offset of 46mm, normal trail is 80.8mm, ground trail is 89mm. If you modify rake to 30° and offset to 69.2mm normal trail is still 80.8mm but ground trail will be 93.3mm
you should be a poet
Also I think having a simpler thumbnail will get you more views
Thank you for the tip, I will bear this in mind 👍
Bringing the forks through the yoke effects what? Meaning forks protrudes more, lowering the bike at the front.
Motogp 21 the reason I come here