| Author | Topic |
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Location:
Tasmania
Registered:
May 2002
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Re: removing Ackerman Steering
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Tue, 18 November 2003 07:33
 
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Having the rack behind the steering knuckle ends like you have in the picture, will give more of a ackermann effect. That is, inside wheel turns more than the outside wheel, like normal. Try and replicate the original steering geometry of your original car, (RA28?) and keep the steering arms sort of inline with the steering knuckle ends. If you have to mount the rack further back behind the crossmember which gives a slight angle in the steering arms, then that is ok to a cirtain extent. Achermann does not effect the performance of steering that much, but changing it will effectively change you lock to lock steering ability (it gets complicated to understand how). If you mount the steering rack too far back (lots of achermann) the steering wheel will tend to lock in place when reversing on full lock. (Yes I have done this, tryed many setups).
As I have said, the MOST important thing in all this is bump steer. Many cars new and old have some bump steer designed into them, but it is negative bump steer if you can understand that, which actualy makes the car understeer a bit, makes it more stable. If you have posative bump steer (hard to explain), that is very dangerouse and the car tends to oversteer. But still, what we want is zero bump steer.
To get this ***IMPORTANT INFO, LOOK HERE***
Make it so the steering arms and the lower control arms are both parallel and the same length **** This is measured from the pivot points of course.
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| | Subject | Poster | Date |
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removing Ackerman Steering
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5KinKP60 | Sat, 31 August 2002 00:07 |
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Re: removing Ackerman Steering
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jazae86 | Sun, 01 September 2002 05:54 |
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Re: removing Ackerman Steering
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justcallmefrank | Sun, 01 September 2002 06:33 |
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Re: removing Ackerman Steering
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Bill Sherwood | Sun, 01 September 2002 11:31 |
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Re: removing Ackerman Steering
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jazae86 | Sun, 01 September 2002 13:06 |
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Re: removing Ackerman Steering
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5KinKP60 | Sun, 01 September 2002 16:06 |
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Re: removing Ackerman Steering
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jazae86 | Sun, 01 September 2002 16:20 |
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Re: removing Ackerman Steering
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5KinKP60 | Mon, 02 September 2002 13:07 |
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Re: removing Ackerman Steering
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Jonny2TG | Mon, 02 September 2002 14:51 |
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Re: removing Ackerman Steering
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5KinKP60 | Mon, 02 September 2002 18:49 |
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Re: removing Ackerman Steering
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Jonny2TG | Tue, 03 September 2002 01:40 |
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Re: removing Ackerman Steering
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gold28 | Tue, 03 September 2002 03:49 |
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Re: removing Ackerman Steering
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Jonny2TG | Tue, 03 September 2002 05:10 |
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Re: removing Ackerman Steering
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gold28 | Tue, 03 September 2002 06:06 |
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Re: removing Ackerman Steering
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Jonny2TG | Tue, 03 September 2002 13:06 |
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Re: removing Ackerman Steering
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Jonny2TG | Sun, 08 September 2002 17:17 |
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Re: removing Ackerman Steering
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5KinKP60 | Sun, 08 September 2002 18:42 |
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Re: removing Ackerman Steering
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Jonny2TG | Mon, 09 September 2002 17:45 |
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Re: removing Ackerman Steering
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oldcorollas | Mon, 17 November 2003 06:10 |
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Re: removing Ackerman Steering
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Lambolica | Mon, 17 November 2003 06:16 |
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Re: removing Ackerman Steering
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Jonny2TG | Mon, 09 September 2002 17:57 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 00:48 |
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Re: removing Ackerman Steering
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Jonny2TG | Tue, 18 November 2003 07:33 |
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Re: removing Ackerman Steering
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gold28 | Mon, 17 November 2003 02:28 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 03:25 |
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Re: removing Ackerman Steering
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Lambolica | Mon, 17 November 2003 03:49 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 04:03 |
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Re: removing Ackerman Steering
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Lambolica | Mon, 17 November 2003 04:06 |
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Re: removing Ackerman Steering
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gold28 | Mon, 17 November 2003 04:03 |
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Re: removing Ackerman Steering
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Lambolica | Mon, 17 November 2003 04:13 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 04:10 |
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Re: removing Ackerman Steering
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gold28 | Mon, 17 November 2003 04:34 |
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Re: removing Ackerman Steering
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gold28 | Mon, 17 November 2003 04:50 |
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Re: removing Ackerman Steering
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Lambolica | Mon, 17 November 2003 05:02 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 04:45 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 05:35 |
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Re: removing Ackerman Steering
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gearb0x | Mon, 17 November 2003 08:32 |
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Re: removing Ackerman Steering
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TurboRA28 | Mon, 17 November 2003 11:18 |
