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Bobby Unser back in the cockpit!


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#1 TSR

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Posted 04 June 2012 - 06:53 PM

Three-time Indy 500 winner Bobby Unser is thrilled to be able to make laps at the Auto Club Speedway in Fontana at the end of June in his all-time favorite racing car.

Here is the press release:

1972 Eagle-Offenhauser

Celebrating the 40th anniversary of one of the most important cars in the “Indy 500” history

To commemorate the 40th anniversary of the remarkable 1972 AAR-Eagle, one of the most significant Indy cars in the history of the famous race, Bobby Unser will get back in the cockpit of his favorite racing car and enjoy leisurely laps of the two-mile Auto Club Speedway racing track in Fontana, California, during the Victory Lane–organized vintage Indy car event June 22-24, 2012.

The new Eagle built by Dan Gurney and his crew in his All American Racers facilities in Santa Ana proved to be the class of the 1972 Indianapolis 500 field by qualifying on the pole at an astounding 195 MPH, a full 18 MPH faster than the fastest lap in the preceding year. This in itself has set a record that remains unbeaten today.
The new car had been designed by a team composed of Dan Gurney, Roman Slobodynskyj and Phil Remington, and was available for purchase by other racing teams.
A few days after the works car was completed, driver Bobby Unser set new records at Ontario Motor Speedway, covering laps at over 191 MPH.
At the Phoenix 200, the first race of the season, Bobby took no prisoners as he qualified on the pole and won the race running away. At Indy, Bobby easily led the race until the distributor rotor broke, the car coasting to a halt when nearly a full lap ahead of the field.
Driven by Jerry Grant, the second works entry was leading the race with twelve laps to go when a puncture in the right front tire forced an unscheduled stop and was unfortunately refueled from the wrong rig, causing it to be bumped from a possible win to a twelfth place finish.
In October, the same car again driven by Jerry Grant was the first-ever to circulate on a closed course at over 200 MPH. Later that day, Bobby Unser beat that record with the other works Eagle by another MPH.
One of the customer cars wrenched by Joseph Bignotti for the Pat Patrick STP team won the 1973 Indy 500. Driven by Bobby Unser, a slightly-redesigned version of the 1972 car finished in second place at the 1974 “500” and won the USAC Championship, and the very same car won the “500” in 1975, Bobby’s second Indy 500 win, both accomplished in Eagle automobiles.

Years later, a deal was struck between Dan Gurney and collector-racer Philippe de Lespinay in an effort to recreate both the 1972 cars of Unser and Grant, using leftover parts from both cars bolted to two NOS unused tubs.
After years of research for the missing correct parts and many seemingly insurmountable obstacles, the cars were eventually completed by the talented and immensely experienced John Mueller in the Entrepreneur Enterprises race shop in Fresno, California. Chassis 72-30 was delivered to Dan Gurney in 2010.
Chassis 72-29 is the car retained by de Lespinay. Tracing the engine numbers (crankcase and cylinder block/head assembly) from old records he saved from the bin, it was discovered that the engine was the very one used by Bobby Unser to win the 1974 California 500. That engine was rebuilt by Stewart Van Dyne of Van Dyne Engineering in Huntington Beach, California.
The car is decorated as the # 6 Olsonite-Eagle, exactly as it was at the 1972 Indy 500, the paint scheme having been devised by Philippe 40 years earlier. The car is on display at the Riverside International Automotive Museum, along with a remarkable collection of Eagle racing cars collected by museum owner Douglas Magnon over the years, and is maintained by Bill Losee and his crew.


SoCal residents are invited to attend this low-key, inexpensive three-day event within the HSR West racing program:

11th Annual SOUTHERN CALIFORNIA HISTORIC SPORTS CAR FESTIVAL
at the AUTOCLUB (California) Speedway. A three day spectator event.
Special feature: the Historic Champ/Indy Car showcase a “Salute to
Southern California Racing History”.
Historic Stock Cars invited.
All Challenges, incl. Form. Ford with ”the Series”, Formula 2.0 with Atlantics and
BOSS cars with F5000 series. Porsche 2.0 ltr. West. B-Sedan cars.
Featuring: Datsun / Nissan cars with the Riverside International Museum celebrations.
Inviting VARA members (to enter on HSR West entry form).


The vintage Indy cars will run all three days, twice per day, on the oval track only.

Philippe de Lespinay





#2 Phil Hackett

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Posted 04 June 2012 - 08:56 PM

Three-time Indy 500 winner Bobby Unser is thrilled to be able to make laps at the Auto Club Speeway in Fontana at the end of June in his all-time favorite racing car.
Here is the press release:
...
SoCal residents are invited to attend this low-key, inexpensive three-day event within the HSR West racing program:
...
The vintage Indy cars will run all three days, twice per day, on the oval track only.


When is the event?

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#3 TSR

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Posted 04 June 2012 - 09:14 PM

To commemorate the 40th anniversary of the remarkable 1972 AAR-Eagle, one of the most significant Indy cars in the history of the famous race, Bobby Unser will get back in the cockpit of his favorite racing car and enjoy leisurely laps of the two-mile Auto Club Speedway racing track in Fontana, California, during the Victory Lane–organized vintage Indy car event June 22-24, 2012.


Philippe de Lespinay


#4 bbr

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Posted 04 June 2012 - 10:08 PM

Where can I get tickets! Strap me on the sidepod of the Eagle!
Mike Low
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#5 TSR

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Posted 04 June 2012 - 10:16 PM

It's not aerodynamically sound... :D

Tickets are at the gate and cheap. Friday we will run the car for the first time and sort out any possible mechanical issues, and Bobby will drive the car as soon as we are sure that all systems are go. Even with the boost all the way down, that damn thing spews over 800 HP, so it is wise to be prudent.

Philippe de Lespinay


#6 Ron Hershman

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Posted 04 June 2012 - 11:40 PM

"The new Eagle built by Dan Gurney and his crew in his All American Racers facilities in Santa Ana proved to be the class of the 1972 Indianapolis 500 field by qualifying on the pole at an astounding 195 MPH, a full 18 MPH faster than the fastest lap in the preceding year. This in itself has set a record that remains unbeaten today."

Don't ya think this had something to do with that feat???

In 1972, for the first time, USAC allowed bolt-on wings to be affixed the cars. Previously, "wings" were required to be integral parts of the car's bodywork. Downforce levels increase by significant margins, and speeds climbed in practice.

By the eve of pole day, three drivers had cracked the 190 mph barrier in practice, and more than a dozen had practiced faster than the existing qualifying record.

Maybe if Donohue and Revson had made it on the track before the 6 o'clock gun... there could have been a different track record holder???

#7 TSR

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Posted 05 June 2012 - 08:58 AM

Yes indeed, the increased speeds had to do with the increased downforce and an even more significant technical development: slick tires, used for the first time in oval racing. Slicks had been drag-racing territory before.

As far as the McLaren cars (Revson, Donohue...) they were fast but not nearly as fast, the Eagle grabbing no less than seven poles from ten races, (Jerry Grant in the other works car took another, leaving crumbs to the McLarens) then leading them all and winning four. In the other six, there were two engine failures while leading, two flat tires that caused long pits stops because of damage caused by the damaged tires, the ignition rotor at Indy after Bobby utterly dominated the race and one instance where the refueling rig broke.

The Eagle was so dominant that orders flowed in and 26 cars were sold, including three to the Vel's Parnelli team that simply quit trying building their own until 1974, three to the STP-Patrick team that did the same and won the 1973 "500" with one, and two to the Penske-Sunoco team, simply because the Eagle chassis was a faster car than their McLaren. For four years, the car was the one to beat. It was a remarkable design that influenced lots of other cars in the day. Grant King even abandoned making his copies of McLaren cars and built was was called a Kingle, an exacting copy of the Eagle with even interchangeable parts.

So the answer is... as can be read in the period press, no, Bobby and Grant had plenty of speed over everyone. Plenty. Bad luck more than anything was the factor why Bobby only won four of the ten races and DNF'd in all the others. Using a slightly improved version of the car, he dominated the 1974 USAC championship and won the 1975 Indy 500, with effectively a four-year old design.

CLICK HERE

Philippe de Lespinay


#8 S.O. Watt

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Posted 05 June 2012 - 10:44 AM

IRRC, Slicks in road racing happened in 1971 on the Shadow. Bryant asked for them 'cuz he needed tyres and that was a way of getting them sooner by bypassing some of the molding requirements. He learned to never try to develop your own special size tyres during a series.

Fantastic cars, Gurney regretted selling these Eagles too cheaply. Hindsight is usually 20/20.

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#9 TSR

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Posted 05 June 2012 - 10:59 AM

IRRC, Slicks in road racing happened in 1971 on the Shadow.


Tom,

Actually on the F5000 Eagle driven by Tony Adamowicz in 1970... :)

Bryant used them on the Shadow but they were too narrow, since they were limited to 14" rims, and the Can-Am cars were already using 16" wide wheels.

The 1972 Eagle chassis was priced at $25,000, well below its real cost. Five were sold because that is all they could make for the "500". After those, the price went up to $35,000 (still a bargain) and they sold 23 more. Then they updated the design for 1974 and sold fifteen more at $40,000.

But AAR probably lost money on every one...

Philippe de Lespinay


#10 S.O. Watt

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Posted 05 June 2012 - 11:07 AM

Bryant's '71 Shadow used 13" fronts and 15" rears. He salvaged the rear 13" inner rim from the '70 "Go Kart" Shadow to be used on the fronts, a mistake he admitted in his book.

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#11 TSR

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Posted 05 June 2012 - 11:13 AM

Yes, but the McLaren were already using wider wheels and tires and the slightly-treaded softer Goodyears were still an advantage over the harder Indy slicks.

The 13" wheels and smaller tires were an aerodynamic advantage, allowing lower front fenders and more downforce to the rear wing. Already, the Lola T330 F5000 had the same smaller fronts, and they survive today on every F1 car after a brief foray into 15" in 1971.

Philippe de Lespinay


#12 S.O. Watt

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Posted 05 June 2012 - 11:41 AM

Which is why I put this sentence in my first reply-

"He learned to never try to develop your own special size tyres during a series."

The rest of the Can-Am field had better tyres all year long and received more updates all year long.

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#13 TSR

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Posted 05 June 2012 - 11:56 AM

Yep... a hard lesson. :)

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#14 TSR

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Posted 15 June 2012 - 06:49 PM

I spent the past two days to check all systems on the car to make sure that it is sound and that no bad surprise will await us when lapping the big oval at California Speedway next week. Here are a few pics of the mess:

eagle_ 034.JPG

On board, checking the newly fabricated pedal extensions for little guys...

eagle_32.jpg

eagle_33.jpg

We will fire the beast next Tuesday, and make sure that we have a clutch and four gears under power... :)

Philippe de Lespinay


#15 redbackspyder

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Posted 15 June 2012 - 07:04 PM

It looks like it has the famous Philippe bumpers on the nose to shovel away wayward cars !

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#16 TSR

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Posted 15 June 2012 - 09:35 PM

:laugh2:

I think that they would fold under a 2 mph impact... :) they are just there to hold the compositer nose section and the front wing.
Now I have to figure out all those gauges... :wacko2:

eagle_ 004.JPG

Philippe de Lespinay


#17 bbr

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Posted 16 June 2012 - 05:09 AM

It is really amazing that drivers drove those cars back then.
They don't look safe at all.
Mike Low
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Give me enough rope and I'll build a fast car... or hang myself?

#18 TSR

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Posted 16 June 2012 - 03:05 PM

They weren't, and lots of the guys died in them, but the Eagle was safer than most as it was overbuilt (and overweight...)
I have no plans to be a hero, the fastest we will go will be bursts at 170 at most.

Philippe de Lespinay


#19 Phil Hackett

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Posted 16 June 2012 - 11:10 PM

170 is still fast enough to be lethal.

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#20 TSR

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Posted 17 June 2012 - 08:53 AM

You can kill yourself at 5 mph. It all depends on what the circumstances are. The Eagle at 170 will feel like cruising under yellow...
We did the weights yesterday and got the car to be 1lbs off on rhe front and 2 lbs at the rear, it should be a bicycle to drive. Only thing is to manage the torque when the turbo spools, because at the least amount of boost, you bet over 800 HP like if someone kicked you in the butt. That's quite a lot more than on a modern F1...

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#21 Steve Deiters

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Posted 18 June 2012 - 03:08 PM

PDL

Since you've resurected this Eagle from the past I was wondering if you knew whatever happend to the Eagle Smokey Yunick had with the twin turbo Chevy as well as AMC powered one that Bruce Crower had? Just curious.

#22 TSR

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Posted 18 June 2012 - 07:01 PM

Believe it or not, the Crower car was the famous 72-05 "Mystery Eagle", the one that Jerry Grant drove to the first 200 mph lap, something that peed off Bobby Unser to this day!
Smokey bought a 1973 chassis from AAR and tried to make it work with the turbo Chevy and that was a waste of time. A few years before his death, he was trying to restore the now badly bent car and I helped him with parts.

1972_grant_indy.jpg

Philippe de Lespinay


#23 redbackspyder

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Posted 18 June 2012 - 07:51 PM

Jerry Grant still signs with the "First Man to lap Indy @ 200mph ! Jerry is a great guy, and has more great Shelby stories than you can imagine.

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#24 TSR

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Posted 18 June 2012 - 07:53 PM

He also signed my 1972 Indy year book "Winner, 1972 Indy 500".
As far as I am concerned, he is correct.

Philippe de Lespinay


#25 Steve Deiters

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Posted 19 June 2012 - 08:09 AM

He also signed my 1972 Indy year book "Winner, 1972 Indy 500".
As far as I am concerned, he is correct.


He signed a book for me the same way. One of the more interesting racers of the '60's. Raced everything. Unfortunately had the Lloyd Ruby kind of legacy at Indy.





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