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Learning how to build Lotus Seven replicas...together!
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PostPosted: March 28, 2017, 11:10 pm 
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This is a different take on a front end or should I say front fenders.

In many ways I like the concept. Most of it is too extreme for me in toto (not the dog from Kansas), but still very interesting.



https://grassrootsmotorsports.com/news/ ... s-enviate/


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PostPosted: March 29, 2017, 12:54 am 
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I'm intrigued by the openings above the rear tires. Any theories?


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PostPosted: March 29, 2017, 1:35 am 
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Frank Costin is spinning at max RPMs.

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PostPosted: March 29, 2017, 7:55 am 
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ZiG wrote:
I'm intrigued by the openings above the rear tires. Any theories?
I followed Cody's build via his FB page. The entire body is designed for aero. Those openings allow the air that would normally be trapped inside the fender creating lift to escape freely. A lot of the LeMans prototype cars use the same kind of opening, for the same reason. There's enough "fender" in front of the tire to guide airflow over the wheel/tire and having the the little "ribs" around the outside makes it look like a fender in profile view (some rules require that).

He built the car for Pike's Peak, and then missed it in 2016 due to some technicality in the registration process. (Maybe his screw-up, maybe some nit-picky rule. I dunno.) He's since been getting a lot of publicity (fund raising?) for the car and planning another try in '17.

Look up Cody Loveland and/or LoveFab to find out more. It's a cool build. Tube frame, big ol' Chebby LS motor, I think. Lotsa wings and things. Check it out!

:cheers:

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PostPosted: March 29, 2017, 8:45 am 
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They must be racing on a billiard table!!!!!
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PostPosted: March 29, 2017, 9:47 am 
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Perhaps Jack could chip in, but won't those 'fins' on the front end do scary things to directional stability at high-speed non-zero yaw angles?

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PostPosted: March 29, 2017, 1:54 pm 
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Warren Nethercote wrote:
Perhaps Jack could chip in, but won't those 'fins' on the front end do scary things to directional stability at high-speed non-zero yaw angles?


And here I was thinking they might help the stability, obviously one of us is wrong . . . . or maybe both of us. Might as well be me, I'm used to it.

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PostPosted: March 29, 2017, 6:25 pm 
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I'm used to aero not being intuitive at all. "TLAR" engineering doesn't seem to work. If it was easy then IndyCar wouldn't have spent (collectively) $60 million dollars on its "aero kit" era. Gene Haas wouldn't have started an F1 team by building a wind tunnel.

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PostPosted: March 29, 2017, 6:27 pm 
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I am guessing the "fins" are there to keep the air from just blowing sideways over the top and keep downforce front and central. With that kind of power they are going to want all the downforce they can get.


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PostPosted: March 29, 2017, 11:54 pm 
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Cody discovered downforce a few years ago and now is a member of the Church of Downforce. I believe he worked with a guy in Europe on the body design.

The large fins forward of the front axle are to keep as much air pressure on top of the bodywork as possible. Specifically keeps the air from spilling over the front wheel wells.

The openings above the tires are because there was interference with the tires.

He now has a massive triple element rear wing that would put an amod to shame.

I will try to point him this way tomorrow.


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