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Originally Posted by ERA2076
I did not realize you answered much of the above by embedding in an earlier post - thanks.
Fantastic you will wind tunnel. You are taking some risk.
Curious of your projected ground clearance with respect to your bottom aero.
Will the suspension geometry accommodate or would you possibly run a dropped bottom to get the right throat? What angle are you running your diffuser at?
Did you keep the trunk?
How will you handle the side pipes?
x-chr
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thanks, let's just hope I can do a decent cage.
Baseline for testing is 3.5" at front wheels and 4" at rear wheels. Low downforce configuration front tray slopes at 3 degrees. High downforce is much more complicated to answer. That is ground clearance for the metal. There are various pieces of sacrificial plastic that will be much lower.
The suspension is able to accommodate the desired ride height. Lower arms are level. The diffuser begins just aft of the cockpit an slope ranges from 0 degrees to 20 degrees. I'm asking nicely (for me) please no debate on the diffuser angles. Nobody on this forum has the technology to know exactly where or if I will suffer boundary layer detachment. Besides, if it does detach I'll just add an aft plane to hold it in place.
The standard FFR trunk bottom remains, however, correcting the FFR "perky butt" took away about 3" from the top, so not much trunk left.
Exhaust is a set of 1 7/8" - 2" somewhat equal length step headers with fully welded in 15 degree merge collectors with a 10 degree (I think) divergent cone. While the exhaust was fabricated by a master craftsman here in Georgia, the tube diameters, lengths, and all other internal specs were designed by SPD based on my exact motor specs. The fabricator was just the artist that made them fit and look amazing.
So, anyone have any pictures of late 60s race cobras with modified side vents? Good pics so far, but I'm still looking for the particular car.
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