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-   -   4WS Translation Completed! (https://www.subaru-svx.net/forum/showthread.php?t=497)

Jamsvx 05-29-2001 07:04 AM

4WS Translation Completed!
 
With the invaluable help of Paddlesnz, the translation on the technical diagram of the 4ws mechanism is now complete!!!

http://www.geocities.com/jamsvx/trans4ws.html

There is a little bit more to go with regards the smaller insert diagram but the main body is now online - I am too tired to do anything else tonight but it will be done ASAP!!

I have also added more scanned reviews of the SVX (no wonder my eyes hurt - too much staring at screens:mad: ) so if anyone has any reviews that I don't have, and would like to include them up there for all to see...and download of course!!!, email me and I'll put them up!

Enjoy and it goes without saying that we owe Paddlesnz a big round of applause for the translation work!!!

Jamsvx

Aredubjay 05-29-2001 08:59 AM

Kudos!
 
Your revelation of the "Loch Nest Monster" of "SVXdom" is an excellent example of "World Networking." SVXers the way they should be: "working together." Thanks James and Paddles for your efforts and eventual success.

strange179 05-29-2001 09:44 AM

Nice work
 
I just took a minute to check out your site a little bit. I think that it is a great site and I just wanted to let you know. Thank you both for your work on the translation and posting of the 4WS system diagram. Keep up the good work.
Jay

jscorse 05-29-2001 11:01 AM

Whoa! What?
 
I thought our 4WS system was totally passive. No motors just some kind of mechanical linkage which turned the wheels SLIGHTLY when the body would roll.

I have an electric motor moving my rear wheels upto 15degrees! I should be able to SEE that. How can I get it to work at a stop?

Seraph 05-29-2001 11:32 AM

Re: Whoa! What?
 
Quote:

Originally posted by jscorse
I thought our 4WS system was totally passive.
From what I know, we do NOT have 4WS in the US. SOA never imported them. 4WS only exist in Japan and New Zealand and Aussie Land. I have only seen 4WS on my older Honda Prelude.

I do wish I have 4WS on SVX though. That would be a joy!

lwin

jscorse 05-29-2001 11:48 AM

I donno?
 
Eddycat! Eddycat..

I was told we do have 4WS just that it's somehow passive.

Aredubjay 05-29-2001 12:00 PM

Yes, Jeff. OUR 4WS is passive and only slightly existant. The "motorized" 4WS was only released, in limited supply in Japan. Don't worry, your 4WS motor won't go out. :)

eddycat2000 05-29-2001 12:03 PM

Re: I donno?
 
Quote:

Originally posted by jscorse
Eddycat! Eddycat..

I was told we do have 4WS just that it's somehow passive.


You wuz told wrong. There is nothing on the back of US imports that could control AWS. (And trust me, I've had a few rear bearings etc. apart on SVX's).:)

Besides, that's just another bell or whistle to have problems with. How'd ya like to be driving along and have that sucker quit working right on you? If ya didn't wreck you'd scrub the tires tread off at the very least.

jscorse 05-29-2001 12:06 PM

So the rear wheels are locked?
 
Eddycat Surely you mean to say that there is no motor but the wheels still turn?. Someone called scruff, scrub or something turning?? The wheels turn when the car leans?

I'd like a diagram showing ours.

Aredubjay 05-29-2001 12:33 PM

<<I'd like a diagram showing ours.>>

I know I've seen a diagram on this somewhere. It may take me a while to find it, but, I'll look 'til I do.

eddycat2000 05-29-2001 01:14 PM

Re: So the rear wheels are locked?
 
Quote:

Originally posted by jscorse
Eddycat Surely you mean to say that there is no motor but the wheels still turn?. Someone called scruff, scrub or something turning?? The wheels turn when the car leans?

I'd like a diagram showing ours.

Huh? Why would I mean that? The wheels don't turn, (other than to rotate). Caster and camber are fixed, and the toe is adjusted then tightened down. There is no AWS, passive or otherwise on any american import Subaru, at least until I quit in '99. Except for the sway bar that is added to the SVX, the legacy and impreza are identical.

jscorse 05-29-2001 01:40 PM

Humm....
 
I was told by THE DEALER that is was AWS.

Obviously he lied. No suprise there. I love the car just the same, it's just that I've heard so much about this before.

I implicitly trust eddy so I will have to re-adjust my thinking. I know he/you knows the car better than I EVER will. So be it.

But I swear I can feel the back-end move when I corner. Dang, I hate having things taken from me....

Eddy,
Why do they use struts in the back? If the answer is complicated then I guess I'll just have to remain ignorant.

Aredubjay 05-29-2001 03:19 PM

This text was taken from:

http://www.mindspring.com/~jonfoulke...wd_system.html

"Rear suspension - The rear suspension even provides passive rear-wheel steering as cornering forces increase. The rear wheels turn with the car and actually help steer for more stable tracking when cornering hard."

Though not a "bona fide" Subaru explanation, the "technique" is explained in text from:

http://www.advancedracing.com/grmart1.html

"By allowing a bit of compliance in the front lateral links of an A-arm type suspension, the rear axle will toe-in when the car enters a hard corner; on a straightaway where no cornering loads are present, the bushings remain undistorted and allow the toe to be set to an angle that enhances tire wear and stability characteristics. Such a design is a type of passive four-wheel steering system."

eddycat2000 05-29-2001 04:13 PM

Re: Humm....
 
Quote:

Originally posted by jscorse
Eddy,
Why do they use struts in the back? If the answer is complicated then I guess I'll just have to remain ignorant.

It eliminates the need for torsion bars would be my guess. You can eliminate alot of weight too I'd think. I can't say for sure, I didn't design them, but it does make some sense to me, the torsion bar setup on Subaru's before the Legacy came out was pretty old technology. (And not at all alignable unless you did some drilling and such.)

eddycat2000 05-29-2001 04:34 PM

Quote:

Originally posted by Aredubjay

Though not a "bona fide" Subaru explanation, the "technique" is explained in text from:

http://www.advancedracing.com/grmart1.html

"By allowing a bit of compliance in the front lateral links of an A-arm type suspension, the rear axle will toe-in when the car enters a hard corner; on a straightaway where no cornering loads are present, the bushings remain undistorted and allow the toe to be set to an angle that enhances tire wear and stability characteristics. Such a design is a type of passive four-wheel steering system."

There you have it! ALL vehicles with struts and a similar suspension in the rear to Subaru's have AWS! Dang, I missed that part. :rolleyes:

Can you print me up a brochure of that Aredub?:)

Have you found *anything* in your service manuals that refer to AWS? (I've never looked cause it *don't* exist here). Thought not, unless you have an original japanese manual. Now mind you, I haven't done an internet search. Having aligned several hundred of the cars, I didn't think I'd have to, but hey, I've been wrong before. I'd sure be interested in knowing how because a rear suspension has some bushings in it...it becomes AWS! ALL rear suspensions have bushings in them, even old chevy trucks, do they have AWS too? I'd sure like to see this writers credentials...sounds like a salesman to me.

Here's a thought, Larry aye aye aye, and a couple of other people bought the car new, I think they said they still had the original stickers too. Let's ask one of them to pull it and see if it says anything about AWS.


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