Steering, Suspension, & Brakes

tips, technology, tools and techniques related to non-driveline mechanical components

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roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Watt about a Watts-link ?
Posted by: roverman
Date: March 20, 2014 12:59PM

If I got this-right, mounting the bellcrank pivot centered between the wheels, and on center with the axles = neutral roll center ? Raising/lowering pivot will ? I'm going in this direction, but need a compass. Thanks, roverman.


DiDueColpi
Fred Key
West coast - Canada
(1365 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

authors avatar
Re: Watt about a Watts-link ?
Posted by: DiDueColpi
Date: March 20, 2014 01:45PM

Basically you've got the idea Art.
The RC changes with the bell crank pivot point's relationship to the chassis.
So a bell crank on the diffy is going to constantly alter your RC as the suspension moves.
Some use this as a tuning aid to help turn in under braking. And a lower mounting point helps plant the inner wheel on a turn.
The trend these days is to mount the pivot to the chassis and the link ends to the outermost part of the axle tubes.
The RC won't change with the suspension movement. And if the outer link attachment points are adjustable along with the pivot mount.
Then the rear suspension becomes very tune-able.

Cheers
Fred


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Watt about a Watts-link ?
Posted by: roverman
Date: March 20, 2014 02:34PM

Thanks Fred, further if I'm guessing right,,, using a "pickle fork",(roller on R.E./chassis), arrangement, will always change the RC, during squash and dangle ? roverman.
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mgb260
Jim Nichols
Sequim,WA
(2463 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Watt about a Watts-link ?
Posted by: mgb260
Date: March 21, 2014 07:34AM

Art, You could copy Lakewood's design rather easily. This one is for a 2005-2009 Mustang.
751_WattsLink.jpg



Edited 1 time(s). Last edit at 03/21/2014 07:40AM by mgb260.


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Watt about a Watts-link ?
Posted by: roverman
Date: March 21, 2014 10:51AM

Jim, This appears to have adjustable pivot height, to tune the roll center ? Thanks, roverman.


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