Aerodynamic streamline template - online tool (view streamlined extension on any car)

[sgtlethargic]

And an Audi R8:

[sgtlethargic]

Hudson Hornet:

[Xist]

Originally Posted by sgtlethargic

An AST overlay that matches and a good looking car- Renault Dezir 2010 concept:

Well, this is one way to handle the rear window:

[aerohead]

Originally Posted by sgtlethargic

Hudson Hornet:

I just saw the 'Super 6' version of this car a week ago,west of where I live.
These Hudsons were the only 'buy recommendation' Dr.Kamm had for friends and associates in the 1950s.
Thanks for the image and comparison!

[aerohead]

Originally Posted by Xist

Well, this is one way to handle the rear window:

The funny thing about the plan taper of a properly boat-tailed car,is that you don't need a rear window at all.Everything can be seen from the side mirrors.

[aerohead]

Originally Posted by sgtlethargic

An AST overlay that matches and a good looking car- Renault Dezir 2010 concept:

On this Renault,we might want to slide the template back a bit,maybe inline with the door handle.
It will show that the roofline is a smidgeon 'fast.'
The 2nd-gen 'Template' might and probably will show a better fit.
I suspect that the boundary layer would like this car very much,as far as the roof anyway.
Thanks for image and comparison.

[aerohead]

Originally Posted by freebeard

That being the case, a pie-shaped cut would broaden the range of usable hulls. OTOH, the Template is more like a pontoon.



I dare you to take two surfing short-boards, mount one on the top of the roll bar, cut the go-karts length out of the other one and fashion front and rear bumpers—and then tension trampoline netting into a hyperbolic paraboloid between the two. It would act like a tinted window, shed rain and the permeability would slow the air but equalize the various high and low pressures on the front, back and sides of a Tromphenwagen shape.

Do you even have a go-kart? It would be the safest one on the block.

That's exactly what I would do.
Or make a 'one-shot' mold which includes the allowance for the pie-cut and cast a lighter-weight shell inside that.
The caveat: If you have Femme-bots with goats,stay with the original heavy-wall boat hull.A goat can render a light shell fit for the landfill overnight!

[deejaaa]

does this look correct or should it be moved forward/back??

[Xist]

Originally Posted by deejaaa

does this look correct or should it be moved forward/back??

I think that it is about right. It might be easier to tell with a larger image, but sometimes it is tricky to find the high point of the roof.

[freebeard]

Originally Posted by aerohead

The caveat: If you have Femme-bots with goats...

The funny thing is—I think I understand that.

deejaa -- there is a secondary use of the Template; where you slide it back and forth to align the [front and rear] wheels and transcribe the underside, for the spats and stuff.



Renault Dezir 2010 concept: I couldn't find a closeup of the backlight, but appears to be treated like this area on the front fender tops.

This suggests the backlight is perforated, not a bad strategy optically.