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Author Topic: Rear aarm rake  (Read 14572 times)

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Offline fabr

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Re: Rear aarm rake
« Reply #30 on: January 03, 2013, 09:21:53 PM »
Have you worked out bumpsteer at 40* yet?
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the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
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mr.bob

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Re: Rear aarm rake
« Reply #31 on: January 03, 2013, 09:39:51 PM »
no but it wont be long before i start on that.lol
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Offline fabr

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Re: Rear aarm rake
« Reply #32 on: January 03, 2013, 10:08:01 PM »
Depending ona few things you may not get that much droop and seriously I doubt it is needed. Sounds cool though.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

mr.bob

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Re: Rear aarm rake
« Reply #33 on: January 03, 2013, 10:17:16 PM »
Ive never set bump steer with that much travel it just may suck.12 up and 12 down does sound cool.
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Offline Carlriddle

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Re: Rear aarm rake
« Reply #34 on: January 04, 2013, 05:35:41 AM »
Bob, really wish you'd post up some pics.  ;)  But in mean time, big wheel travel can be harder to tune suspension on, and the bumpsteer thing too.  I would not get dead set on travel in front yet, dont build shock mounts.  Cause on the rear, even with a good 930 on inside you prob wont go past 25-28* angle with them.  And longest stock 930 axles are 28", so can't get 24" travel in back.  (have since found that RCV will do longer ones for not much more than standard ones  1:)  No sense have 24" in front with 18" in rear.

We Need Pics!
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Offline Engineer

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Re: Rear aarm rake
« Reply #35 on: January 04, 2013, 07:31:15 AM »
Quote from: mr.bob on January 03, 2013, 08:57:17 PM
Do you thing 40* on the bottom arms is to steep? 23'' sounds good but Im with you how much do you need. I can strap it to less, Im just wondering if 40 is to much.Could it cause problems?


Heim bind would be my biggest concern.  When at max droop then you turn the wheel lock to lock.
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mr.bob

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Re: Rear aarm rake
« Reply #36 on: January 04, 2013, 10:35:08 AM »
Quote from: Carlriddle on January 04, 2013, 05:35:41 AM
Bob, really wish you'd post up some pics.  ;)  But in mean time, big wheel travel can be harder to tune suspension on, and the bumpsteer thing too.  I would not get dead set on travel in front yet, dont build shock mounts.  Cause on the rear, even with a good 930 on inside you prob wont go past 25-28* angle with them.  And longest stock 930 axles are 28", so can't get 24" travel in back.  (have since found that RCV will do longer ones for not much more than standard ones  1:)  No sense have 24" in front with 18" in rear.

We Need Pics!

Its a rebuild,the first it was built it was my first build and I ran out of money (had a baby)
so it got a 150 go kart motor so I could drive it.I guess it was better than nothing. So most of every thing was their shock mounts and things like that. I like to think I know more and it time to finish it right.
 For pics. all I have is what I took with my phone and put on photobucket so they are small.

 http://s1137.beta.photobucket.com/user/mr_bob2/library/
« Last Edit: January 04, 2013, 10:36:49 AM by mr.bob »
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Offline fabr

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Re: Rear aarm rake
« Reply #37 on: January 04, 2013, 11:11:36 AM »
When you cycle the front suspension ,what camber change are you seeing? What is it at full bump,mid travel,and full droop?
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

mr.bob

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Re: Rear aarm rake
« Reply #38 on: January 04, 2013, 05:33:50 PM »
In the pics. you cant tell camber because I dont have lug nuts yet. With the lower arms at 14* for ride height (witch may change) the camber is -9* bump and +9* droop. If ride height had a little more droop it will go to neg 13* at bump and pos. 7-9* at droop.
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Offline dsrace

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Re: Rear aarm rake
« Reply #39 on: January 05, 2013, 12:31:13 PM »
ya you have to fix that.
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mr.bob

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Re: Rear aarm rake
« Reply #40 on: January 05, 2013, 12:32:26 PM »
Quote from: Dsrace on January 05, 2013, 12:31:13 PM
ya you have to fix that.
Fix what,and why?
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Offline dsrace

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Re: Rear aarm rake
« Reply #41 on: January 05, 2013, 12:43:38 PM »
Quote from: mr.bob on January 04, 2013, 05:33:50 PM
In the pics. you cant tell camber because I dont have lug nuts yet. With the lower arms at 14* for ride height (witch may change) the camber is -9* bump and +9* droop. If ride height had a little more droop it will go to neg 13* at bump and pos. 7-9* at droop.

-9 to +9 camber change through the stroke? with a possibility of 13? i would think 0 to -3 or so would be best and with that much camber change you'll have bad bump steer too. maybe I misread or missed a post but  if the above means neg to pos camber arc through the stroke to those extremes then you need to correct that and get it rained in. this is what I meant.
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Don't never argue with an Idiot!
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mr.bob

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Re: Rear aarm rake
« Reply #42 on: January 05, 2013, 12:50:28 PM »
I would think camber should match body roll to keep the wheel strait up and down in a hard turn.I dident think about bump steer with that much camber,but if its follows the arc it should be ok?idk
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Offline fabr

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Re: Rear aarm rake
« Reply #43 on: January 05, 2013, 05:12:28 PM »
Listen to DS. He is correct. You have way too much camber change. It must be dealt with now.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

mr.bob

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Re: Rear aarm rake
« Reply #44 on: January 05, 2013, 06:43:06 PM »
Ok Im here to learn.Why is that much a bad thing -9*+9*?
Im in east texas,no sand,but were I live I have miles of dirt roads with lots of hard curves and pipelines.I want it to handle good in turns.I had about the some change before with 15'' of travel and put a big wing on back and it turned like it was on a rail.
I know it will have body roll because it did before so why would I want to drag a tire around a turn at speed?
If im missing something let me know.
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