- 1. Re: roll center (score: 1)
- Author: "John Burk" <joyseydevil@comcast.net>
- Date: Mon, 20 Oct 2003 00:27:02 -0400
- My 60's British racing chassis design book says with independent suspension , the roll centers need to be low to minimize wheel lean during cornering (chassis roll is bad but wheel lean is worse) - S
- /html/land-speed/2003-10/msg00796.html (7,354 bytes)
- 2. RE: roll center (score: 1)
- Author: "Russel Mack" <rtmack@concentric.net>
- Date: Tue, 21 Oct 2003 09:03:23 -0500
- in the '60s, most independantly-sprung cars had some camber change (wheel lean) as the suspension deflected-- like the Hammond lakester that just rolled at Bonneville. With more modern independant s
- /html/land-speed/2003-10/msg00803.html (8,150 bytes)
- 3. Re: roll center (score: 1)
- Author: "Glen Barrett" <speedtimer@charter.net>
- Date: Tue, 21 Oct 2003 07:55:07 -0700
- The #77 lakester had a sprung front end and rigid rear axle. Glen -- Original Message -- From: "Russel Mack" <rtmack@concentric.net> To: "John Burk" <joyseydevil@comcast.net>; <land-speed@autox.team
- /html/land-speed/2003-10/msg00807.html (8,753 bytes)
- 4. RE: roll center (score: 1)
- Author: "Russel Mack" <rtmack@concentric.net>
- Date: Tue, 21 Oct 2003 10:40:55 -0500
- the 77 had a lot of positive camber showing on the rear when I saw it towing to the line in 2001. I pointed it out and somebody told me it was a swing-axle. I met Seth, Tanis, and crew later that we
- /html/land-speed/2003-10/msg00808.html (8,308 bytes)
- 5. Re: roll center (score: 1)
- Author: "Keith Turk" <kturk@ala.net>
- Date: Tue, 21 Oct 2003 10:54:42 -0500
- Yes it had an independent rear in it.... Seth broke a shaft at Speedweek....don't know what he had to do to get to the World finals with it... K ( happened to be checking out the independent quick ch
- /html/land-speed/2003-10/msg00810.html (8,400 bytes)
- 6. Re: roll center (score: 1)
- Author: "Glen Barrett" <speedtimer@charter.net>
- Date: Tue, 21 Oct 2003 09:05:15 -0700
- After looking at the photos you are right. The vehicle did have limited rear travel. Hard to tell at the time as all of this was torn from the car. Glen -- Original Message -- From: "Russel Mack" <r
- /html/land-speed/2003-10/msg00813.html (9,297 bytes)
- 7. RE: roll center (score: 1)
- Author: "Albaugh, Neil" <albaugh_neil@ti.com>
- Date: Tue, 21 Oct 2003 11:19:51 -0500
- Hmmm...I sure would avoid using one of those types of rear suspensions-- swing axles are treacherous; they exhibit large camber changes and their jacking effect almost guarantees that once a certain
- /html/land-speed/2003-10/msg00815.html (8,687 bytes)
- 8. Re: roll center (score: 1)
- Author: Bryan Savage <basavage@earthlink.net>
- Date: Tue, 21 Oct 2003 09:43:32 -0700
- Mercedes lowered the roll center with the low pivot point swing axle design.
- /html/land-speed/2003-10/msg00818.html (8,036 bytes)
- 9. Re: roll center (score: 1)
- Author: docb8532@aol.com
- Date: Tue, 21 Oct 2003 13:24:39 EDT
- IF YOU REMEMBER, RALPH NADER MADE HIS BONES OVER THE SWING AXLE ON THE EARLY CORVAIRS. THE GREATER THE BODY ROLL THE MORE THE CAMBER CHANGES. ROCK AND ROLL DOC
- /html/land-speed/2003-10/msg00819.html (7,694 bytes)
- 10. Re: roll center (score: 1)
- Author: Joe Amo <jkamo@rap.midco.net>
- Date: Tue, 21 Oct 2003 11:52:03 -0600
- well hard to argue with success, for over 40 yrs it set more records than any other car, put more people into the 200 mph and 300mph clubs than any other Joe :)
- /html/land-speed/2003-10/msg00821.html (9,111 bytes)
- 11. RE: roll center (score: 1)
- Author: "Albaugh, Neil" <albaugh_neil@ti.com>
- Date: Tue, 21 Oct 2003 13:00:13 -0500
- Maybe the rear suspension was a factor in what happened, maybe not. Perhaps we'll never know. I'd still avoid a swing axle if I were building a new car, though. Regards, Neil Tucson, AZ well hard to
- /html/land-speed/2003-10/msg00823.html (9,603 bytes)
- 12. Re: roll center (score: 1)
- Author: Joe Amo <jkamo@rap.midco.net>
- Date: Tue, 21 Oct 2003 14:58:25 -0600
- dont forget to avoid those narrow tires also :) Joe (its going to be a long winter) Amo :)
- /html/land-speed/2003-10/msg00826.html (10,075 bytes)
- 13. RE: roll center (score: 1)
- Author: "Albaugh, Neil" <albaugh_neil@ti.com>
- Date: Tue, 21 Oct 2003 16:10:04 -0500
- My old VW had both-- now I know better. :) Regards, Neil Tucson, AZ (what winter?) dont forget to avoid those narrow tires also :) Joe (its going to be a long winter) Amo :) Joe; Maybe the rear susp
- /html/land-speed/2003-10/msg00827.html (10,016 bytes)
- 14. Re: roll center (score: 1)
- Author: John Goodman <ggl205@yahoo.com>
- Date: Tue, 21 Oct 2003 14:28:55 -0700 (PDT)
- Swing axles are not my favorite IRS. Simply impossible to control camber changes. This is especially true when these swing axles move to positive camber (as with the car unloading after hitting a bum
- /html/land-speed/2003-10/msg00830.html (8,223 bytes)
- 15. RE: roll center (score: 1)
- Author: "Russel Mack" <rtmack@concentric.net>
- Date: Tue, 21 Oct 2003 20:33:20 -0500
- when I bought my jeep, I was looking for a surplus M-151 (I know how to work with the swing axle, and love that little "4-wheel drive dune buggy"). But one of the government agencies (Fed Hwy Dept?)
- /html/land-speed/2003-10/msg00835.html (8,596 bytes)
- 16. Re: roll center (score: 1)
- Author: W S Potter <wester6935@comcast.net>
- Date: Tue, 21 Oct 2003 21:05:14 -0600
- During a long winter I'd take both over some of the wide tires and hot suspensions available on today's new cars. Wes
- /html/land-speed/2003-10/msg00839.html (8,117 bytes)
- 17. RE: roll center (score: 1)
- Author: "Albaugh, Neil" <albaugh_neil@ti.com>
- Date: Wed, 22 Oct 2003 11:11:34 -0500
- That's too bad. Those M-151s were nice jeeps-- lightweight, had a fair amount of power, and were fun to drive. Regards, Neil Tucson, AZ Neil: when I bought my jeep, I was looking for a surplus M-151
- /html/land-speed/2003-10/msg00863.html (8,876 bytes)
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