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> What's the story with the Nissan Delta Wing at Le Mans?, Strange looking machine
DNHunt
post Jun 16 2012, 08:22 AM
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What could be the advantages and disadvantages? Maybe weight and aero advantages. What would be the front suspension issues?

(IMG:http://www.914world.com/bbs2/uploads_offsite/www.racintoday.com-598-1339856566.1.jpg)

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casey944
post Jun 16 2012, 08:27 AM
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QUOTE(DNHunt @ Jun 16 2012, 10:22 AM) *

What could be the advantages and disadvantages? Maybe weight and aero advantages. What would be the front suspension issues?

(IMG:http://www.914world.com/bbs2/uploads_offsite/www.racintoday.com-598-1339856566.1.jpg)

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They keep saying "we are here to prove it work"... apparently less drag and high top speed... cant imaging how terrifying high speed sweepers are in that car.
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bcheney
post Jun 16 2012, 08:28 AM
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QUOTE(DNHunt @ Jun 16 2012, 10:22 AM) *

What could be the advantages and disadvantages? Maybe weight and aero advantages. What would be the front suspension issues?

(IMG:http://www.914world.com/bbs2/uploads_offsite/www.racintoday.com-598-1339856566.1.jpg)

Dave



An essential aspect of the design was to keep the weight down to a minimum. Lightweight materials were used throughout and even the engine only weighs 91 kg. As a result the complete DeltaWing without fuel and driver tips the scales at just 475 kg (about 1000lbs).. The very low weight and drag figures allow the car to run at the same speeds as much bigger engined machinery, while at the same time using less fuel and tires.
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ConeDodger
post Jun 16 2012, 08:35 AM
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Seems to me, turn-in would be incredibly quick in tight areas of the course.
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DBCooper
post Jun 16 2012, 08:41 AM
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There aren't any particularly "tight areas" at Lemans, but why would one wheel make turn-in any quicker?

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rhodyguy
post Jun 16 2012, 08:44 AM
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it looks fast sitting in the garage. (IMG:style_emoticons/default/biggrin.gif)

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underthetire
post Jun 16 2012, 11:14 AM
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Seems to me a turbine and some elevons and your ready for flight.
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ClayPerrine
post Jun 16 2012, 05:29 PM
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Personally, I think it is UGLY with a capital UGH!
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biosurfer1
post Jun 16 2012, 06:31 PM
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Take a look at the new Motor Trend, Automobile or Road and Track, they all had articles about it and why it "should" work better.
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Dave_Darling
post Jun 16 2012, 06:40 PM
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QUOTE(DBCooper @ Jun 16 2012, 07:41 AM) *

There aren't any particularly "tight areas" at Lemans, but why would one wheel make turn-in any quicker?


It actually does have four wheels. The two at the front are quite close together, but they are separate.

It'll be interesting to see (hear) how it does.

--DD
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jmill
post Jun 16 2012, 06:42 PM
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I can see how turn in would be quicker but it seems to me there would be some serious load transfer issues with corner braking.
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Nicky
post Jun 16 2012, 06:46 PM
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It's interesting that the prototypes are required to have a driver to the left or right and the faux passenger seating, even the topless ones, so that they remain "sports cars". But this thing seems like a trike to me. It's two front tires combined look narrower than one of all the other cars front tires.

I'm not really a fan of the louverless fender wheelwell vents that a lot of cars are running either. Why not just run F1 or Indy type cars

I guess I don't like change.
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struckn
post Jun 16 2012, 07:54 PM
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Stealthy, can't be seen..........whoops sorry. Taken out hit the wall. They need to paint it caution orange.
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JoeSharp
post Jun 16 2012, 08:15 PM
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Paint adds too much weight.
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GeorgeRud
post Jun 16 2012, 09:31 PM
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The concept may be there this year to test theories. The regulations change next year to emphasize efficiency, etc., so this may be an early test.
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struckn
post Jun 17 2012, 08:07 AM
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According to what I heard them say during the broadcast, they wanted to use the Race as a test for the car and compair, in a true Race situation for the first time, not to win, just hopefully finish competitively. I think it was designed to run in the events for Indi Cars ultimately?
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SLITS
post Jun 17 2012, 08:20 AM
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QUOTE(struckn @ Jun 16 2012, 06:54 PM) *

Stealthy, can't be seen..........whoops sorry. Taken out hit the wall. They need to paint it caution orange.


No, they need to ban stupid Nipponese rookie drivers in Toyota Hybrids.
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mikelsr
post Jun 17 2012, 08:24 AM
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QUOTE(SLITS @ Jun 17 2012, 09:20 AM) *

QUOTE(struckn @ Jun 16 2012, 06:54 PM) *

Stealthy, can't be seen..........whoops sorry. Taken out hit the wall. They need to paint it caution orange.


No, they need to ban stupid Nipponese rookie drivers in Toyota Hybrids.

Agreed.
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Mike Bellis
post Jun 17 2012, 08:48 AM
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QUOTE(jmill @ Jun 16 2012, 05:42 PM) *

I can see how turn in would be quicker but it seems to me there would be some serious load transfer issues with corner braking.

You could control the rear calipers separately. More pressure to the inside wheel would help it turn.

I think the narrow body would also narrow the roll center.
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Cap'n Krusty
post Jun 17 2012, 09:30 AM
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QUOTE(DBCooper @ Jun 16 2012, 07:41 AM) *

There aren't any particularly "tight areas" at Lemans, but why would one wheel make turn-in any quicker?


"One wheel"? Looked at the picture yet? 2 front fenders. BTW, it's been all over the car media for well over a year, and Dan Gurney's heavily involved. AFIK, he's not generally involved with loser ideas.

The Cap'n
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