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Author: Subject: aerodynamic drag / air resistance on a full caged Locost
alfas

posted on 28/6/14 at 01:29 PM Reply With Quote
what i also recognized, compared to all other speedster-screen seven-ish cars i´ve ever driven:

even i´m only 1.70m tall, i have a lot of wind pressure on my breast, also turbulences on my head which pull on my helmet.

the kirkey-seat is mounted as low as possible (no runners, fixed position, in contact with floor), has nearly zero padding.

compared to the other seven´s i have driven or still own the it looks like the general Locost seat position in realtion to the scuttle is rather high. is that correct?

[Edited on 28/6/14 by alfas]

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alfas

posted on 31/7/14 at 08:45 PM Reply With Quote
a bit of an update:

for my next race (last weekend) i fully closed / paneled the area around the rear axle...and i removed the front wings (as they have been unstable /wobbling at speed)...far better...

after qualifying, i changed from my 205/60r13 semi slicks to slicks...the slicks had been slightly lower in profile....and here we go:

due to the slightly reduced drive ratio (lower tyre profile) the car was more lively even at higher speed!!

and i won the 2nd race!!! (ok...not race...regularity test....but every body is driving "regular fast"

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