My EZ won't go back to ducted fan, but I wish someone would fund
      development of my Canard LSA, rotary ducted fan:
      http://www.bridgingworlds.com/LSA.htm
      Perry

    See the attached screen captures jpg's from Perry web site.
    This is incorrect. Think about it. If there were really
    low pressure inside the radiator duct that low pressure would
    act on the tunnel floor as well as the roof. The pressure forces
    would cancel. Actual the resistance of the radiator core
    to air flow will cause high pressure in the tunnel.
    If you removed the tunnel floor that would result in lift
    on the nose and not down force.

    Perhaps the author of the autoweek article mis quoted Jim Tigue.
    I can't believe an aerodynamics engineer working for Burt Ruttan
    got it so wrong. Anybody have an email address for Jim Tigue or
    Scaled.


    Paul Lamar... Former Chaparral engineer.


I can't believe you'd misquote Autoweek so badly!!  I mean really.. It's
Rutan (one 't') and Tighe (one 'h' and no 'u')!!  Hah!  :)

Maybe the low pressure is just behind the radiator.  Yeah, that would
make more sense...

http://scaled.com/contactus.html


Matt-

I used my speeling checker :)

That would still be a lifting force as the top of the duct is now
open. The bottom is not. I am not saying the Lotus is a bad design.
On the contrary it is better than most. Ducting the cooling air up
and around the sides of the windshield is better than most car
designs that force the cooling air down and under the firewall.

I would love to have a Lotus with an RX8 engine but not possible
in California with the current smog inspections.

Paul Lamar ...No rotor no motor.

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