Front Suspension Travel
#1
Front Suspension Travel
Yes, I know I only have a 2wd...and the suspension is stock...but this can't be right...
http://www.stephencard.net/fronttravel.jpg
Sorry the picture is bad, but I think you get the idea even though the perspective makes it hard to tell what the spacing really is. Theres slightly over 1" between the I-Beam and the bump stop on both sides up front. What should it really be? I think its time for new springs...
http://www.stephencard.net/fronttravel.jpg
Sorry the picture is bad, but I think you get the idea even though the perspective makes it hard to tell what the spacing really is. Theres slightly over 1" between the I-Beam and the bump stop on both sides up front. What should it really be? I think its time for new springs...
#5
Originally Posted by rolla_guy72
Did you get those wheels on there??
I can feel the front hit the bump stops on almost everything I drive over...and I'm talking about on road, not off road. If there is only supposed to be 1" of up travel and it uses all of it that often then I'm going to be changing that for sure...
Not a current pic, but works for now...
http://www.stephencard.net/truck.jpg
#7
#11
Originally Posted by fuze
Well your truck is sitting level. When you look at mine from the side you can tell the front sits a lot lower.
#12
Um...no...I am not blind.
I know the trucks are supposed to sit higher in the back so they don't sit too low when loaded. It looks a lot closer to level in that picture than mine does. If this is really where the front is supposed to be riding, okie dokie then. All the more reason to lift it. 1" just isn't enough travel for my taste...so the lifting just moved up on the priority list.
I know the trucks are supposed to sit higher in the back so they don't sit too low when loaded. It looks a lot closer to level in that picture than mine does. If this is really where the front is supposed to be riding, okie dokie then. All the more reason to lift it. 1" just isn't enough travel for my taste...so the lifting just moved up on the priority list.
#15
Originally Posted by fuze
It looks a lot closer to level in that picture than mine does.
#19
You dont have 1" of up travel. Think about the way the arm moves on its pivot. The farther away from the pivot you are the farther it travels in the same distance if you are closer to the pivot. Take your arm for example. Put your arm out straight, then bend at your elbow, your hand will move farther in the radius than your forarm right at your elbow, or the pivot point. This is a very basic way of saying that while your beam at the bump stop may only be moving up 1", at the hub (wheel) the beam will move say 2.5".
Follow me? Its after 5 so my brain is off, but basicly, that looks right. Look at some of the RCD kits, the bump is 1/2" off the lower arm.
Follow me? Its after 5 so my brain is off, but basicly, that looks right. Look at some of the RCD kits, the bump is 1/2" off the lower arm.
#20
You are correct about the radius issue. I was incorrect in stating the up travel based on that particular radius from the beam pivot in my posts. I think I just had a one track mind thing going over the 1" and didn't think about what I was saying.
The beam is 1" below the bump stop, apprx. 26" from the pivot point.
arctan(1/26)=2.2 degrees that the beam is pivoting at max up travel.
The tire center is apprx. 37" from the pivot point.
37*tan(2.2)=1.42" up travel at the center of the tire.
I was less than .5" away...but thats 30%...pretty bad... Funny too considering I'm setting control surface travels on UAVs a few times a week... My math and measuring work at least, but I must have already used my intelligent thought quota for the day.
I do think 1.42" sucks too, however...lol
Measuring from the ground to the wheel well, my front is just shy of 3" lower than the rear. If 2" is a usual number then it is sitting different. In any case, it is getting new suspension and going up whether there is a problem or that's just the way it was made. Funny how most of the time when I ask a question on here lately I'm usually the only thing in the way of the answer. You guys are good sports at least, lol. Thanks for the responses
The beam is 1" below the bump stop, apprx. 26" from the pivot point.
arctan(1/26)=2.2 degrees that the beam is pivoting at max up travel.
The tire center is apprx. 37" from the pivot point.
37*tan(2.2)=1.42" up travel at the center of the tire.
I was less than .5" away...but thats 30%...pretty bad... Funny too considering I'm setting control surface travels on UAVs a few times a week... My math and measuring work at least, but I must have already used my intelligent thought quota for the day.
I do think 1.42" sucks too, however...lol
Measuring from the ground to the wheel well, my front is just shy of 3" lower than the rear. If 2" is a usual number then it is sitting different. In any case, it is getting new suspension and going up whether there is a problem or that's just the way it was made. Funny how most of the time when I ask a question on here lately I'm usually the only thing in the way of the answer. You guys are good sports at least, lol. Thanks for the responses
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