Something like this?

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Post #283,666 by admin 5/2/07 12:00:42 PM Reply	Something like this? [link\|http://www.tooladdiction.com/tool_for_bmw.htm\|http://www.tooladdic.../tool_for_bmw.htm] Regards, -scott anderson "Welcome to Rivendell, Mr. Anderson..."
Post #283,667 by folkert 5/2/07 12:04:06 PM 5/2/07 12:05:30 PM Reply	Reverse Watts Link it is, then. Hmmm. Also functioning as a lower control arm. To which the wishbone looks like it is connected to. -- [link\|mailto:greg@gregfolkert.net\|greg], [link\|http://www.iwethey.org/ed_curry\|REMEMBER ED CURRY!] @ *i_wethey* Freedom is not FREE. Yeah, but 10s of Trillions of US Dollars? SELECT * FROM scog WHERE ethics > 0; 0 rows returned. Edited by folkert May 2, 2007, 12:05:30 PM EDT Expand All History
Post #283,670 by admin 5/2/07 12:16:26 PM Reply	My current understanding is this: The thrust arm governs the position of the vertical wheel plane (perpendicular to the axle). So had this gone, the wheel would have been wobbling back and forth like a drunken sailor. Not pavement diving, but still very hard to control. Regards, -scott anderson "Welcome to Rivendell, Mr. Anderson..."
Post #283,672 by folkert 5/2/07 12:19:35 PM Reply	That is what a reverse watts link does... It operates as a "lower control arm" when used in independent suspension. But then, I am speaking from /dev/ass as I have never really^W looked at the A8 suspension. -- [link\|mailto:greg@gregfolkert.net\|greg], [link\|http://www.iwethey.org/ed_curry\|REMEMBER ED CURRY!] @ *i_wethey* Freedom is not FREE. Yeah, but 10s of Trillions of US Dollars? SELECT * FROM scog WHERE ethics > 0; 0 rows returned.
Post #283,687 by CRConrad 5/2/07 4:02:14 PM Reply	The "position of the vertical wheel plane"? Yeah, in the... ...fore-and-aft direction, to be precise -- the vertical is also "perpendicular to the axle", but that is handled by the springy bits of the suspension. :-) Like Greg says in the great-grandparent post to yours, "thrust" implies that it's pretty much parallell to the long axis of the car, to transmit the fore-and-aft forces from the drivetrain and brakes. (And I think that's what it looks like in those BMW pics you found.) That's a "multi-link" suspension, the even-newer development from the "double wishbone" suspension, where one or both (usually just the lower, I think) of the A-arms has been replaced by two or more separate simple rod-shape arms; kind of like picking the "A"- or "wishbone"-shaped arm apart into two: A -> /\\ . So it seems your A8 has multi-link, not actual double A-arms. [link\|mailto:MyUserId@MyISP.CountryCode\|Christian R. Conrad] (I live in Finland, and my e-mail in-box is at the Saunalahti company.) Ah, the Germans: Masters of Convoluted Simplification. — [link\|http://www.thetruthaboutcars.com/?p=1603\|Jehovah]
Post #283,691 by Andrew Grygus 5/2/07 5:36:20 PM 5/2/07 5:39:37 PM Reply	Yup . . . . . they use a "multi-link" design because regular A-arms take too much dedicated space. With multi-link they can squeeze more stuff into a smaller space, and the tortured shapes of all those components demonstrate they're squeezing every cubic inch they can get. Oh, pardon me . . . they would be squeezing "cubic centimeters" over there, wouldn't they? [link\|http://www.aaxnet.com\|AAx] Edited by Andrew Grygus May 2, 2007, 05:39:37 PM EDT Expand All History
Post #283,700 by CRConrad 5/2/07 6:00:19 PM Reply	Jawohl. And every one they save, they squeeze into the engine instead, you know. [link\|mailto:MyUserId@MyISP.CountryCode\|Christian R. Conrad] (I live in Finland, and my e-mail in-box is at the Saunalahti company.) Ah, the Germans: Masters of Convoluted Simplification. — [link\|http://www.thetruthaboutcars.com/?p=1603\|Jehovah]

Beware the Aussie invasion... - (static) - (60) - May 1, 2007, 12:15:02 AM EDT

What's in Pittsburgh? -NT - (admin) - (3) - May 1, 2007, 12:32:56 AM EDT

It's a train stop. - (static) - (1) - May 1, 2007, 12:49:53 AM EDT

Don't bother - (drewk) - May 1, 2007, 11:03:20 PM EDT

The Penguins. ;) - (Nightowl) - May 2, 2007, 01:42:54 AM EDT

Cool. I am going to the Beep Bash this year. - (folkert) - (53) - May 1, 2007, 12:36:08 AM EDT

Huh? Don't Lancers have back seats or what? (Just wondering) -NT - (CRConrad) - (1) - May 1, 2007, 06:20:32 AM EDT

More like a shelf -NT - (crazy) - May 1, 2007, 06:57:26 AM EDT

I'm driving the Audi this year. - (admin) - (39) - May 1, 2007, 07:40:38 AM EDT

you wont need the trunk until you are at the bash -NT - (boxley) - May 1, 2007, 09:42:44 AM EDT

Dang, I'd almost come just for the ride... - (CRConrad) - (1) - May 1, 2007, 12:13:07 PM EDT

Then come for the ride *and* the party! -NT - (admin) - May 1, 2007, 12:14:40 PM EDT

Don't even THINK... - (bepatient) - (32) - May 1, 2007, 12:14:09 PM EDT

Are you kidding me? - (admin) - (31) - May 1, 2007, 12:24:51 PM EDT

ICLRPD. (new thread) - (Another Scott) - May 1, 2007, 01:01:28 PM EDT

BT + Scott's Audi == Serious case of... - (Yendor) - May 1, 2007, 01:09:26 PM EDT

He is Tillaay! Destroyer of Vehicles! ;-) -NT - (n3jja) - May 1, 2007, 07:15:31 PM EDT

Well, the torsion bar... - (folkert) - (7) - May 1, 2007, 08:07:20 PM EDT

It was more than that. - (admin) - (6) - May 1, 2007, 10:44:25 PM EDT

That sounds more like an A-arm . . . - (Andrew Grygus) - (2) - May 1, 2007, 11:03:58 PM EDT

And.. and the Question is - - - (Ashton) - (1) - May 2, 2007, 04:01:20 AM EDT

rubber wears loose, the pounding shakes it apart. -NT - (boxley) - May 2, 2007, 09:33:32 AM EDT

Then they don't have the bump-stops properly - (folkert) - (2) - May 2, 2007, 09:47:00 AM EDT

Moot discussion now, sorry. :-) - (admin) - (1) - May 2, 2007, 10:35:44 AM EDT

Ehh, ranting. Its what I do. - (folkert) - May 2, 2007, 10:41:31 AM EDT

You sure it's a torsion bar? - (Another Scott) - (1) - May 2, 2007, 10:08:04 AM EDT

Thrust arm, sorry. -NT - (admin) - May 2, 2007, 10:33:36 AM EDT

I don't think the A8 has torsion suspension. - (CRConrad) - May 2, 2007, 10:31:27 AM EDT

My bad; faulty memory. - (admin) - (16) - May 2, 2007, 10:33:05 AM EDT

Makes MUCH more sense. - (folkert) - (15) - May 2, 2007, 10:40:12 AM EDT

So, what's a thrust arm in normal terms? - (admin) - (12) - May 2, 2007, 10:52:16 AM EDT

It holds the bitumogeneous spandrels. HTH! -NT - (Another Scott) - (3) - May 2, 2007, 10:58:19 AM EDT

Isnt' that what holds the havershaft to the giggleclamp? -NT - (jake123) - (2) - May 2, 2007, 11:23:40 AM EDT

No, that is the kininomer bearing pin, giggleclamps require - (folkert) - (1) - May 2, 2007, 11:51:37 AM EDT

Now just quit that out, the lot of you! - (jb4) - May 26, 2007, 10:49:59 PM EDT

I'd have to say it - (folkert) - (7) - May 2, 2007, 11:47:01 AM EDT

Something like this? - (admin) - (6) - May 2, 2007, 12:00:42 PM EDT

Reverse Watts Link it is, then. Hmmm. - (folkert) - (5) - May 2, 2007, 12:05:30 PM EDT

My current understanding is this: - (admin) - (4) - May 2, 2007, 12:16:26 PM EDT

That is what a reverse watts link does... - (folkert) - May 2, 2007, 12:19:35 PM EDT

The "position of the vertical wheel plane"? Yeah, in the... - (CRConrad) - (2) - May 2, 2007, 04:02:14 PM EDT

Yup . . . - (Andrew Grygus) - (1) - May 2, 2007, 05:39:37 PM EDT

Jawohl. - (CRConrad) - May 2, 2007, 06:00:19 PM EDT

That's a very different "wishbone". - (CRConrad) - (1) - May 2, 2007, 04:51:36 PM EDT

Yep, schooled I am. -NT - (folkert) - May 2, 2007, 05:46:59 PM EDT

Then the next question is... - (folkert) - (2) - May 2, 2007, 05:50:05 PM EDT

6 disc changer - (admin) - (1) - May 2, 2007, 11:15:40 PM EDT

Mkay. - (folkert) - May 2, 2007, 11:56:48 PM EDT

Don't know - (Lily) - (9) - May 1, 2007, 08:11:49 PM EDT

bring the kids, mine are agitating already - (boxley) - (8) - May 1, 2007, 10:13:07 PM EDT

It's looking like I will - (Lily) - (4) - May 2, 2007, 10:45:15 PM EDT

Are you going to see a band? - (admin) - (3) - May 2, 2007, 11:16:39 PM EDT

And do you know anything that rhymes with ... - (drewk) - (2) - May 3, 2007, 08:49:25 PM EDT

dunno about the camero but plenty of the other stuff - (boxley) - (1) - May 3, 2007, 09:43:45 PM EDT

Re: dunno about the camero but plenty of the other stuff - (admin) - May 3, 2007, 10:57:10 PM EDT

Plans are set - (Lily) - (2) - May 21, 2007, 07:42:17 PM EDT

wel add myy 12yo to the pack, sad about amy n critter :-( -NT - (boxley) - May 21, 2007, 09:41:52 PM EDT

Cool! - (static) - May 21, 2007, 09:44:24 PM EDT

Of course -NT - (drewk) - May 1, 2007, 11:03:26 PM EDT

Awww man - (Steve Lowe) - (1) - May 2, 2007, 07:24:28 PM EDT

Driving from TN isn't *THAT* far to NJ... - (folkert) - May 2, 2007, 10:06:13 PM EDT

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