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Old Feb 17th, 2009, 04:23 PM   #1
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Trail

Whats the right number to shot for-not to heavy not to light of a feel.
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Old Feb 17th, 2009, 11:12 PM   #2
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I never could get my sleep number right so i went with a waterbed
If your talking about your airride shocks then 7-10-15 depends on your weight, load, 1 or 2 up the chart should be in your owners manual
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Old Feb 18th, 2009, 05:53 PM   #3
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he may be asking about trail in the front forks.....and ya need more input than the question asked.....lots of things to consider....
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Old Feb 19th, 2009, 01:33 AM   #4
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There really isn't a "magic number" for trail as it's just one factor & changes when you change something else. But there are some good sites to check out to get a better idea of what will work best for your particular application:

HarleyHelp.com - rake & trail

Jeri's Springer Front End - Rake and Trail Explained

Help Understand Rake & Trail

RB Racing Professional Rake and Trail Calculator
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Old Feb 19th, 2009, 11:59 AM   #5
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Thanks for your input, will check them out. I don't know what the other two were thinking about.
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Old Feb 19th, 2009, 01:59 PM   #6
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1. Rake angle is the angle of steering axis as compared to vertical.
2. Given the relationship and interaction between rake, trail,
load distribution and centers of gravity it would be very
hard to accurately define the function of rake alone.
a. It is generally agreed that a vehicle with:
1) "MORE" rake will have straight line stability and
be somewhat harder to steer.
a) The castor (self centering) effect on the front
wheel is dependant on force created by
"lever arm" action ("length" of lever arm).
(1) Positive rake reduces length of "lever arm".
(2) Positive rake also reduces the steering angle
between tire and ground, as compared to angle
to which the handlebar is turned. In theory, this
would also reduce the "length" of lever arm.
(a) Therefore we need more trail as rake angle
is increased.
(b) The castor effect can become negative with
large steering angles. In this situation the front
wheel is attempting to push itself to a
point behind the steering axis.
1) At smaller steering angles there is some reduction in trail.
A larger amount of trail may be initially required to overcome
the negative castor effect of additional rake.
2) "Less" rake will have less straight-line stability and be somewhat
easier to steer.
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Old Feb 19th, 2009, 05:36 PM   #7
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Quote:
Originally Posted by gunner View Post
Thanks for your input, will check them out. I don't know what the other two were thinking about.
i was just trying to decifer your question.....and it seems to have helped, as you got good answers..................
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We plan to meet next week to talk about planning a strategy session to discuss the next step towards forming a consensus to start the development of the rough draft for the implementation of our intention to develop a plan.
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Old Feb 19th, 2009, 07:52 PM   #8
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I thought he was asking about a medium wight gal for the back of his dirt bike to ride trails with
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Old Feb 19th, 2009, 10:42 PM   #9
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Would like to thank you all for your answers. Have a good day. Gunner
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Old Feb 20th, 2009, 11:53 AM   #10
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I started off just being a smart azz like usuall and didn't even look at the BIG RED TRAIL
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