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词条 1975 Indianapolis 500
释义

  1. Race schedule

  2. Time trials

     Pole Day – Saturday May 10  Second Day – Sunday May 11  Third Day – Saturday May 17  Bump Day – Sunday May 18 

  3. Race summary

     Start  First half  Second half  Finish 

  4. Race results

     Alternates  Failed to qualify  Race statistics  Notes 

  5. Broadcasting

     Radio  Television 

  6. Notes

     See also  References  Works cited 
{{Infobox Indy500
| race_name = 59th Indianapolis 500
| race_logo = Indy500winningcar1975.JPG
| sanction = USAC
| season = 1975 USAC Trail
| team = All American Racers
| date = May 25, 1975
| winner = Bobby Unser
(435 miles, rain)
| mph = {{convert|149.213|mi/h|km/h|abbr=on}}
| pole = A. J. Foyt
| pole_speed = {{convert|193.976|mi/h|km/h|abbr=on}}
| fast_time = Foyt
| rookie = Bill Puterbaugh
| leader = Wally Dallenbach (96)
| anthem = Purdue Band
| back_home = Jim Nabors
| start_engines = Tony Hulman
| pace_car = Buick Century Custom V-8
| pace_driver = James Garner
| starter = Pat Vidan[1]
| attendance = 300,000[2]
| network = ABC
| announcers = Keith Jackson and Jackie Stewart
| rating = 14.9
| share = 30
| previous = 1974
| next = 1976
}}

The 59th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday, May 25, 1975. A. J. Foyt started on the pole position and Bobby Unser won his second Indy 500.

On the 174th lap, a huge downpour pelted the Speedway, and officials immediately ended the race, just 26 laps short of the scheduled distance. Bobby Unser was leading the race at the red flag, and was declared the winner. Defending champion Johnny Rutherford was in second place, and pole-sitter A. J. Foyt came home third.

Dan Gurney, one of the founders of All American Racers, who finished second as a driver himself in 1968–1969, won his first and only Indy 500 as a car owner. Gurney's Eagle chassis itself scored its third "500" win.

Tom Sneva survived a spectacular crash in turn two on lap 125. His car touched wheels with Eldon Rasmussen, and flipped into the catch fence near the Turn Two Suites. The engine on Sneva's car ripped off in a huge fire-flash, and the car came to rest upright with Sneva trapped in the cockpit. Sneva miraculously suffered only minor injuries, and walked away from the wreck with assistance from the safety crews.

On the morning of the race, the Indianapolis Motor Speedway was ceremoniously designated to the National Register of Historic Places. In addition, the Hulman family celebrated thirty years of ownership of the facility.

Race schedule

A year earlier (1974), the race was held in the wake of the energy crisis. USAC cut out a week of practice, and trimmed time trials from four days to two days, in order to reduce energy consumption. These changes were well received by competitors and fans, and USAC decided to make the reduction of practice time permanent; however, time trials were restored back to four days for 1975 and beyond.

Race schedule — May, 1975
SunMonTueWedThuFriSat

 

 

 

 
1
 
2
 
3
 
4
Opening Day
5
Practice
6
Practice
7
Practice
8
Practice
9
Practice
10
Pole Day
11
Time Trials
12
Practice
13
Practice
14
Practice
15
Practice
16
Practice
17
Time Trials
18
Time Trials
19
 
20
 
21
 
22
Carb Day
23
 
24
Parade
25
Indy 500
26
Memorial Day
27
 
28
 
29
 
30
 
31
 
Color Notes
Green Practice
Dark Blue Time trials
Silver Race day
Red Rained out*
Blank No track activity
  • Includes days where track
    activity was significantly
    limited due to rain

Time trials

For the second year in a row, turbocharger "boost" levels were set at 80 inHG maximum. Once again, top speeds would be in the low to mid-190 mph range, and would not challenge the track record.

On Thursday May 8, Gordon Johncock showed himself as a favorite for the pole, completing a practice lap at 195.228 mph. Johncock consistently led the speed charts on four of the practice days. A. J. Foyt was close behind, topping the speed chart twice.

Pole Day – Saturday May 10

Pole day dawned sunny and mild. Rookie Al Loquasto was the first driver out to qualify. Mike Mosley (187.833 mph) led the speeds early on, and was the fastest car through the first hour. At 12:15 p.m., Tom Sneva (190.094 mph) moved into the top spot.

About an hour later, Bobby Unser took to the track, and at 191.073 mph, bumped Sneva off the pole spot. Unser's speed did not last long, as Gordon Johncock, the next car out, then took over the provisional pole at 191.652 mph. Johncock was the last car to complete a run during the early segment. The track remained mostly quiet over the next three hours, as drivers waited for cooler conditions.

Shortly after 4 p.m., A. J. Foyt blistered the track, with his first lap coming in at 195.313 mph. His four-lap average of 193.975 mph secured the pole position.

The final qualifying attempt of the afternoon was put in by Bill Puterbaugh. After six years of failure, Puterbaugh finally qualified for his first Indy 500. He pumped his fist as he returned to the pits, putting in the 15th-fastest speed of the day.

The day closed with the field filled to 22 cars.

Second Day – Sunday May 11

After blowing his engine the day before, Wally Dallenbach returned to the track and qualified. His speed of 190.646 mph was the 4th-fastest overall, but as a second day qualifier, he would be forced to line up 21st.

A total of six cars qualified, and at the close of the first weekend of time trials, the field was filled to 28 cars.

Third Day – Saturday May 17

With five spots open in the field, qualifying opened with Mike Hiss the first car to make an attempt. The field was quickly filled to 33 cars, and Lee Kunzman was the first car on the bubble.

Mario Andretti returned from Monaco, and put his car solidly in the field with a speed of 186.480 mph, easily the fastest driver of the day, bumping Kunzman in the process. At 12:18 p.m., Al Loquasto was now on the bubble.

Billy Scott made two attempts to bump his way in, but blew his engine on the first attempt, and waved off the second. No other cars made an attempt the rest of the day.

Bump Day – Sunday May 18

On the final day of time trials, Al Loquasto still clung the bubble spot. Eldon Rasmussen was the first car out to make an attempt. His first lap was over 183 mph, but the next two dropped off and the team waved off the run. Three hours later Jim Hurtubise blew an engine after one slow lap, and Loquasto was still on the bubble after over 24 hours.

With about an hour left in the day, Loquasto survived two more attempts. At 5:18 p.m., just under 42 minutes left in the day, Eldon Rasmussen made his second attempt. His speed of 181.910 mph bumped Loquasto and the field would be set.

Race summary

Start

Gordon Johncock took the lead at the start and led the first 8 laps. But Johncock dropped out on lap 11 with an ignition failure. Also out early were Salt Walther (his Indy record third last place finish), and Lloyd Ruby, both out with engine problems.

Polesitter A. J. Foyt took the lead on lap 9. He briefly lost the lead for three laps during a pit stop on lap 22, but re-assumed the lead on lap 25, and led through lap 58. Salt Walther, who had dropped out, summoned his teammate Bob Harkey to the pits on lap 18. Walther climbed in the car and took over the machine for the remainder of the race. While the driver switch was apparently agreed upon before the race if the circumstances arose, Walther was criticized for making the switch under green, and not waiting for a caution period. The Harkey/Walther car fell a few laps down during the stop.

First half

The first yellow came out on lap 45 for Mike Hiss, who went high and brushed the wall in turn three.

During his first scheduled pit stop, Mario Andretti's car stalled several times trying to leave the pit lane. He lost several laps, but eventually rejoined the race. On the leaders' lap 68, Andretti spun out on the backstretch, and slammed into the inside wall near the entrance to turn three. He was out of the race after completing only 49 laps.

Wally Dallenbach took the lead for the first time on lap 59. He would lead a total of 96 laps, giving up the lead only during pit stops.

NASCAR regular Bobby Allison managed to lead one lap during a pit stop shuffle, in what would be his final start at Indy. Allison had decided to skip the World 600 at Charlotte and was the final noteworthy "cross over" driver to the Indy 500 during that era.

On the 73rd lap, A. J. Foyt passed Cliff Bergere (2,425) for first place all-time in total laps completed at the Indy 500.

Second half

During a sequence of green flag pit stops, A. J. Foyt appeared to run out of fuel going into turn 1. Coasting down the backstretch, seemingly without power, it appeared that Foyt was fiddling with his headrest or something behind the cockpit. Seconds later, he was back up to speed, and made it to the pits for fuel.

On lap 125, Tom Sneva approached the lapped car of Eldon Rasmussen in turn 1. As the two cars went side-by-side in turn two, they touched wheels and Sneva's car flipped up into a huge wreck. Sneva did a barrel-roll over the front nose of Rasmussen's car, becoming completely airborne and upside-down. The car rolled upright, and hit the outside wall and catch fence with the back end. The engine, gearbox, and rear of the car were ripped from the chassis, leaving a huge fire flash as the fuel and oil ignited in front of the Turn Two Suites. The cockpit section continued down the track, flipping at least twice, and came to rest on the track, right side up, then spun for several yards, coming to rest facing backwards. The engine and other parts scattered in different directions, and littered the track with debris.

Sneva was conscious when the car came to rest, and immediately started unbuckling his seat belts trying to get out. The back of the car was still on fire, and he unknowingly lifted his visor, which singed his face with burns. He then put his hand down in a pool of methanol, which burned his fingers.[3] His legs were trapped in the cockpit, and he was not able to get out of the car on his own. Rescue workers immediately arrived at the scene, and put out the remaining fires. A moment later, he was pulled from the wreck, and with assistance, walked to the ambulance.

Sneva did not suffer any serious bodily injuries, but was listed in serious condition with burns to his face and hands. After a couple days, Sneva's condition was quickly upgraded, and after a month, he was back racing.

After leading 96 laps, Wally Dallenbach dropped out with a blown piston on lap 162. That handed the lead to Johnny Rutherford, with Bobby Unser now in second.

Bobby Unser took the lead on lap 165. The skies were threatening, and rain was expected to move into the vicinity of the Speedway.

Finish

On lap 170, Gary Bettenhausen's right rear hub exploded and he lost the wheel down the mainstretch. Precariously riding on three wheels, he skillfully managed to keep the car mostly off the wall, and was able to park the car down in the infield of turn one. The caution light came on for the debris, and leader Bobby Unser ducked into the pits for a quick stop (fuel only). Second place Johnny Rutherford also made a pit stop. A minor fire broke out in Dick Simon's pit, but it was quickly doused.

Under the yellow, the skies became increasingly dark, and the rain that had been threatening finally was about to arrive.

Bobby Unser suddenly ducked into the pits for a second "splash-and-go" pit stop, topping off the tank in just 6 seconds. Unser's pit stop allowed third place A. J. Foyt to unlap himself back onto the lead lap. One lap later, the skies opened up, and it began to pour rain. It was lap 174 and Bobby Unser was leading, with Johnny Rutherford about a half lap behind in second. The track became flooded and many of the cars began hydroplaning and spinning out of control. The visibility dropped to near zero, as the heavy rain and the "rooster tails" made it difficult for the drivers to see. Fans began scurrying for cover.

Starter Pat Vidan took out the red and checkered flag, and the race was halted. The leaders had to precariously coast around to the finish line. Despite several wrecked cars blocking the track, Unser, Rutherford, and Foyt all managed to make it to the finish line cleanly. The race was officially called with Unser completing 174 laps (435 miles), just 26 laps short of the scheduled distance. Defending champion Johnny Rutherford followed with a second place, and pole-sitter Foyt finished third, still looking for the elusive fourth Indy win.

Race results

FinishStartNoNameQualRankLapsTime/Retired
1348USA}} Bobby Unser (W)191.07331742:54:55.08
272USA}} Johnny Rutherford (W)185.9989174Lead lap under caution
3114USA}} A. J. Foyt (W)193.9761174Lead lap under caution
41811USA}} Pancho Carter183.44922169 +5 laps
52215USA}} Roger McCluskey183.96417167 +7 laps
686USA}} Bill Vukovich II185.84510166 +8 laps
71583USA}} Bill Puterbaugh (R)183.83318165 +9 laps
82497USA}} George Snider182.91823165 +9 laps
92140USA}} Wally Dallenbach Sr.190.6484162Piston
102333USA}} Bob Harkey
(Relieved by Salt Walther; Laps 18–162)
183.78619162 +12 laps
112998USA}} Steve Krisiloff182.40828162 +12 laps
122619USA}} Sheldon Kinser (R)182.38929161 +13 laps
132030USA}} Jerry Karl182.53727161 +13 laps
141078USA}} Jimmy Caruthers185.61512161 +13 laps
151945USA}} Gary Bettenhausen182.61126158Crash FS
16114USA}} Al Unser (W)185.45213157Rod
172536USA}} Sammy Sessions182.75125155Engine
183317USA}} Tom Bigelow181.86432151Magneto
191293USA}} Johnny Parsons184.52114140Transmission
201473USA}} Jerry Grant184.26616137Piston
213044USA}} Dick Simon181.89131133 +31 laps
22468USA}} Tom Sneva190.0945125Crash T2
231724USA}} Bentley Warren183.58921120 +44 laps
243258CAN}} Eldon Rasmussen (R)181.91030119Valve
251316USA}} Bobby Allison184.39815112Gearbox
26512USA}} Mike Mosley187.833694Engine
271689USA}} John Martin183.6552061Radiator
282721USA}} Mario Andretti (W)186.480849Crash BS
293194USA}} Mike Hiss181.7543339Crash T3
302863USA}} Larry McCoy (R)182.7602424Piston
31220USA}} Gordon Johncock (W)191.653211Ignition
3267USA}} Lloyd Ruby186.98477Piston
33977USA}} Salt Walther185.701112Ignition

Alternates

Failed to qualify

Race statistics

{{col-begin}}{{col-break}}
Lap Leaders
Laps Leader
1–8 Gordon Johncock
9–21 A. J. Foyt
22–23 Johnny Rutherford
24 Bobby Allison
25–58 A. J. Foyt
59–69 Wally Dallenbach
70 A. J. Foyt
71–94 Wally Dallenbach
95–96 A. J. Foyt
97–120 Wally Dallenbach
121–123 A. J. Foyt
124 Bobby Unser
125–161 Wally Dallenbach
162–164 Johnny Rutherford
164–174 Bobby Unser
{{col-break}}
Total laps led
Laps Leader
Wally Dallenbach 96
A. J. Foyt 53
Bobby Unser 11
Gordon Johncock 8
Johnny Rutherford 5
Bobby Allison 1
{{col-break}}
PACER Yellow Light Periods
5 for 34 laps
Laps* Reason
45–49 Mike Hiss crash in turn 3 (10 minutes, 32 seconds)
68–71 Mario Andretti crash on backstretch (4 minutes, 50 seconds)
97–101 Al Unser & Jerry Karl out of fuel on backstretch
127–141 Tom Sneva crash in turn 2
170–174 Gary Bettenhausen lost wheel on mainstretch
174 Red Flag due to rain
* – Approximate lap counts
{{col-end}}

Notes

Broadcasting

Radio

The race was carried live on the IMS Radio Network. Sid Collins served as chief announcer. The broadcast crew was largely familiar from 1974. The broadcast was carried on 1,200 affiliates including shortwave transmissions via AFN to Europe, Asia, Thailand, and many other locales. It was heard by over 100 million listeners worldwide. Collins had no celebrity guests in the booth during the race. But during the pre-race coverage, Collins interviewed Senator Barry Goldwater as well as Pete DePaolo, who was celebrating fifty years since his victory in 1925.

Indianapolis Motor Speedway Radio Network
Booth AnnouncersTurn ReportersPit/garage reporters
Chief Announcer: Sid Collins
Driver expert: Fred Agabashian
Statistician: John DeCamp
Historian: Donald Davidson
Turn 1: Ron Carrell
Turn 2: Howdy Bell
Backstretch: Jerry Baker
Turn 3: Doug Zink

Turn 4: Jim Shelton

Paul Page (north pits/roving)
Chuck Marlowe (north-center pits)
Luke Walton (south-center pits)
Lou Palmer (south pits)
Bob Forbes (garages/hospital)

Television

The race was carried in the United States on ABC Sports on a same-day tape delay basis. Longtime Indy fixture Jim McKay sat out the broadcast for one year, and was replaced by announcer Keith Jackson.[6] McKay was sent on other assignments in the 1975 season,[7] including the 1975 Monaco Grand Prix.[8] Jackie Stewart returned to serve as analyst after missing the 1974 race. Stewart covered both Monaco and Indianapolis.[8] Sam Posey, who served as analyst in 1974, was moved to the pit area.

The broadcast has re-aired on ESPN Classic since May 2011.

ABC Television
Booth AnnouncersPit/garage reporters
Host: Chris Schenkel
Announcer: Keith Jackson
Color: Jackie Stewart
Chris Economaki
Sam Posey

Notes

See also

{{Commons category|1975 Indianapolis 500}}

References

1. ^{{cite book|last=Fox|first=Jack C.|title =The Illustrated History of the Indianapolis 500 1911-1994|publisher =Carl Hungness Publishing|edition=4th|date=1994|pages=22|language=English|isbn=0-915088-05-3}}
2. ^{{cite news|title=Bobby U. Wins Rain-Cut '500'|url=https://www.newspapers.com/clip/11434312/|first=Ray|last=Marquette|newspaper=The Indianapolis Star|page=1|via=Newspapers.com|date=May 26, 1975|accessdate=June 2, 2017}}{{Open access}}
3. ^{{cite news|url=https://news.google.com/newspapers?id=ZTkoAAAAIBAJ&sjid=CSkEAAAAIBAJ&pg=7084,3803302&dq=tom+sneva+crash&hl=en|title=Sneva Looks to Next Race|work=The Modesto Bee|date=1975-05-28|accessdate=2012-04-17}}
4. ^{{cite news|url=https://www.newspapers.com/clip/17620748/mom_unser/|title=Coronary Fatal To 'Mom' Unser|publisher=The Indianapolis Star|date=December 19, 1975|accessdate=February 20, 2018}}
5. ^{{cite news|url=https://news.google.com/newspapers?nid=1873&dat=19741229&id=RXVhAAAAIBAJ&sjid=itEEAAAAIBAJ&pg=1369,4795239|title=Cancer Halts Fast Life of Caruthers|publisher=Daytona Beach News Journal|work=The Indianapolis Star|first=Robin|last=Miller|author-link=Robin Miller (journalist)|date=1974-12-20|accessdate=2012-08-27}}
6. ^{{cite news|title=Keith Jackson In In Training fort ABC-TV's '500' Coverage|url=https://www.newspapers.com/clip/16555991/1975_indy_500_tv_keith_jackson/|first=Julia|last=Inman|newspaper=The Indianapolis Star|page=17|via=Newspapers.com|date=May 21, 1975|accessdate=January 15, 2018}}{{Open access}}
7. ^{{cite news|title=McKay Calls Terre Haute Special Spot|url=https://www.newspapers.com/clip/18862548/abc_racing_1975_including_jim_mckay/|first=Bill|last=Hill|newspaper=The Terre Haute Tribune|page=70|via=Newspapers.com|date=April 27, 1975|accessdate=April 2, 2018}}{{Open access}}
8. ^{{cite news|title=A sports potpourri|url=https://www.newspapers.com/clip/18863295/|newspaper=Idaho State Journal|page=41|via=Newspapers.com|date=May 23, 1975|accessdate=April 2, 2018}}{{Open access}}

Works cited

{{

Indy 500 Walker|

Previous_race = 1974|

Previous_winner = Johnny Rutherford|

This_race = 1975|

This_winner = Bobby Unser|

Next_race = 1976|

Next_winner = Johnny Rutherford|


}}{{Indy 500}}{{IndyCar Series on ABC}}

4 : 1975 in motorsport|Indianapolis 500 races|1975 in sports in Indiana|1975 in American motorsport

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