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PostPosted: Fri Jun 08, 2018 2:22 pm 
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Joined: Wed Nov 24, 2004 10:23 am
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Location: Armidale, NSW
I know it's been 2 years but I was thinking about aerodynamics and minis the other day as I passed a truck on the freeway, trucks have turning vanes on thier sides particularly where the radius of the curve is too tight for airflow to remain attached otherwise. The vanes force the air to follow the body and therefore reduce reversion and drag. I also read something about turning vanes being used in inlet tracts...

Anyway much of the aero problems the mini has seemed to be cause the air was being asked to make too tight a turn.

I found this article using turning vanes to improve the aerodynamics of a landrover discovery.
https://support.ansys.com/staticassets/ ... -vanes.pdf

Anyone think something similar could help the mini's aero?

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PostPosted: Mon Jun 11, 2018 5:44 pm 
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Joined: Wed Sep 08, 2004 9:27 pm
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Location: Wodonga - Vic/NSW border
that is really interesting - if Harley could be persuaded, he'd be able to do the same CFD and testing - he's already done a full 3d model of a mini

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PostPosted: Tue Jun 12, 2018 10:02 pm 
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Joined: Wed Nov 24, 2004 10:23 am
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Location: Armidale, NSW
I know every time I think of an idea to improve the aero on the mini it's something I reckon wouldn't look real good...
A turning vane at the rear roof line could look decent though.

It seems to me that you should be able to direct the air flow with a wing and then fill in the resulting low pressure air with a turning vane.

I'm imagining a wing of sorts at the front edge of the bonnet adding downforce to the front at high speeds shooting air flow from the front of the bonnet to the roof / top of the windscreen, the bottom of the wing becomes a turning vane filling in the low pressure under the wing and over the bonnet, the better air path means drag could be reduced as air isn't trying to get back down to the bonnet just in time to crash into the windscreen and be forced up dramatically as it heads back over the roof.

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