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Canards, anyone got them



  172
They mainly make it look as though you don't know what you're doing ;)

To maximise canards (which predominantly exist to increase the efficiency of a diffuser!) you need:

A diffuser & flat floor
A significantly lower ride height
Very stiff suspension (to the point which it's compromised in low speed & ride) to ensure the ride height/pitch doesn't change excessively

Doesn't really sound like a Clio.

Easiest real-world way to verify downforce is to use damper pots to compare static ride height to ride height at the end of a long straight.
 
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  172
To elaborate, because canards are really interesting, they deliberately create a vortex in a very strategic position.

Assuming it's fitted the right way up lol, the direction of rotation will be "into" the door. When done well, this helps the airflow around the side of the car "stick" to the body rather than separate & prevents air from "spilling out" of the flat floor around the side skirts (hence maximises the diffuser).

A little bit of aero balance can be gained (slightly balances a rear wing) but that's a mere "nice benefit" compared to maximising a 3m x 1.5m flat floor....
 


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