I'm reading the John Barnard biography, The Perfect Car. Just onto the '84 season and some gushing over how perfect the uprights were... Paraphrasing; an inner spool to carry the hub bearings, and radial spokes to locate an outer spool, and then sheetmetal to pick up the location points? So I'm thinking the main body is effectively a relatively thick-walled donut, if the donut were described by rotating a rectangle instead of a circle.
Having trouble finding any detail pics, but I'm so curious.
I got curious and goog'd and found this . . .
https://www.ebay.com/itm/301940370295
Not sure if that is what you are seeking bit I found it an odd bit to be on eBay.
How is the book?
In reply to L5wolvesf :
The one you found is for a 2 seater, Jesse is talking about the single seat version with slightly lower production numbers 
Vs
The image you need to conjure up is:
a sleeve that holds the bearings and the stub axle, with thin spokes radiating out to the out shape that hold the upper and lower ball joints as well as the steering arm.
Below is an upright from Lola in the 90's, a CART car upright if I recall correctly.
And a Dallara upright with the hub mounted
The "spokes" allow the brake cooling to be force to the inside of the the rotor for max effect. The designs are typically made of thin sheet metal and are hollow to reduce weight and still be very strong.
In reply to stafford1500 :
Awesome, thank you!
All that cooling air has to be good news for the bearing, too.
In reply to stafford1500 :
Is this HubPorn now?
In reply to DrMikeCSI :
That was beautiful. A mere thumbs-up was insufficient kudos.
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