[T3] Lead Sled Update....

Keith Park topnotch at nycap.rr.com
Wed Jan 2 19:39:16 PST 2013


Ahh, Finally!  An air bag conversion designed by an automotive engineer!
This looks really neat, now If you can source the bags from a "stock"
application, you can still call it "stock"

:-)

Keith


Top Notch Restorations
topnotch at nycap.rr.com 
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
87 golf "Winterat"
93 RX7 "Redstur"


-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of John
Jaranson
Sent: Wednesday, January 02, 2013 10:14 PM
To: type3 at vwtype3.org
Subject: Re: [T3] Lead Sled Update....

No new fabrication tonight, but I did do some noodling on my latest thoughts
for the front airride suspension.  My goal is to keep as many of the stock
Type 3 suspension parts as possible and to be able to use a shock absorber.
I would also like to keep the sway bar functionality of the upper trailing
arms/torsion bar.

With this in mind, here is a drawing of my latest plan....

http://www.carartbyjohn.com/2013JaneBuild/Type3AirRide.jpg

It is a little bigger than I usually post, but it needs to be to be able to
read it.

Basically this eliminates the lower torsion bars and replaces each with its
own airbag.  The airbags would be mounted between a bracket attached to the
beam (not shown) and the bag arm shown in yellow.  This arm is attached to
the inside end of the trailing arm through a custom adapter insert.  The
added thrust bearing acts on the bushing support already in the beam
assembly shown in this picture...

http://www.carartbyjohn.com/2013JaneBuild/Type3AirRide2.jpg

You can see the end of the trailing arm just protruding through the larger
hole in the support bracket in this picture.

I will probably weld the adapter insert along with using the shear pin just
to make sure it doesn't move.

The drawing is not to scale.  Lots of measuring and stuff left to do before
fabrication could begin.

What do you think?


On Jan 2, 2013, at 9:03 PM, Dave Pallo wrote:

> I'm always in awe of your work John, and this project is another sparkling
> example!

Thanks.

> 
> 1.5 years to go before we all get to see it in person at the 2014
> Invasion...right?  ;-)
> 

Yup...that is the goal.

Later,
John Jaranson
www.carartbyjohn.com
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