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1947 Indianapolis 500

31st running of the Indianapolis 500


31st running of the Indianapolis 500

FieldValue
race_name31st Indianapolis 500
race_logoIndy500WinningCar19471948.JPG
sanctionAAA
dateMay 30, 1947
winnerMauri Rose
teamLou Moore
mph116.338 mi/h
poleTed Horn
pole_speed126.564 mi/h
leaderBill Holland (143)
pace_carNash Ambassador
pace_driverGeorge W. Mason
starterSeth Klein
honoraryRalph F. Gates
attendance165,000
previous[1946](1946-indianapolis-500)
next[1948](1948-indianapolis-500)

The 31st International 500-Mile Sweepstakes was held at Indianapolis Motor Speedway on Friday, May 30, 1947. It was the opening round of the 11 races that comprised the 1947 AAA Championship Car season. The 1946 winner, George Robson, had been killed on September 2, 1946 in a racing incident. Driver Shorty Cantlon would be killed in an accident during the race.

Beginning in 1947 the Speedway issued "Bronze" and "Silver" badges. Bronze badges allowed gate and garage access during the month and silver badges did the same but also allowed pit access. On race day, one needed a Back Up Card Early bronze badges were indeed bronze, but silver badges were only a silver colored pot metal. Bronze badges began being made of a bronze colored pot metal sometime in the late 1950s or early 1960s.

Time trials & ASPAR boycott

Time trials was scheduled for five days. The minimum speed to qualify was set at 115 mph. In the months leading up to the race, several top drivers that were members of a union, the American Society of Professional Auto Racing (ASPAR), threatened to boycott the race over the purse size.{{cite news

  • Saturday May 17 (Pole Day): Intermittent showers, and the holdout of several ASPAR drivers, meant that only four cars completed qualifying runs. Ted Horn claimed the pole position with a speed of 126.564 mph. Novi teammates Cliff Bergere and Doc Williams both suffered spins during the afternoon. Both rebounded to qualify, with Bergere taking the middle of the front row. Williams completed a rather slow run (120.733 mph), not noticing his crew, who was trying to signal him to abort the run. Williams would be replaced by Herb Ardinger on race day.
  • Sunday May 18: Three cars qualified, bringing the field to seven cars. Shorty Cantlon (121.462 mph) was the fastest of the day.
  • Saturday May 24
  • Sunday May 25
  • Wednesday May 28: The final scheduled day of qualifying closed with 28 cars in the field.

When qualifying closed at 6 p.m. on Wednesday May 28, the field had only been filled to 28 cars. Duke Dinsmore was the final qualifier, completing his run amidst some scoring confusion by the officials, just as the time had run out. Race officials initially stressed that Wednesday would be the final day available to qualify. However, a day later, they re-opened qualifying for one hour late on Thursday May 29 in an effort to fill the field. Mel Hansen and Emil Andres were the only two cars to complete attempts, and after approval by the other entries, were added to the grid to bring the field to 30 cars.

The heartbreak story of the day belonged to driver Billy Devore. After failing to make the field on Wednesday, the Bill Schoof crew worked diligently to make repairs to their car, hoping that officials would re-open qualifying. When word was announced that additional time trials would be held Thursday, the crew scrambled to get the car prepared. Late in the evening, with about 20 minutes left until closing, the crew drove the race car from their garage about six miles away to the track with a police escort. When they arrived at the gate at 6:58 p.m., however, officials closed time trials, and DeVore was not permitted to qualify.

Starting grid

RowInsideMiddleOutside12345678910
United States Ted Horn
126.564 mphUnited States Cliff Bergere
124.957 mphUnited States Mauri Rose ****
124.040 mph
United States Herb Ardinger*
120.733 mphUnited States Shorty Cantlon ✝
121.462 mphUnited States Russ Snowberger
121.331 mph
United States Les Anderson ****
118.425 mphUnited States Bill Holland ****
128.755 mphUnited States Ken Fowler
123.423 mph
United States Jimmy Jackson
122.266 mphUnited States Milt Fankhouser ****
119.932 mphUnited States Roland Free
119.526 mph
United States George Connor
124.874 mphUnited States Walt Brown ****
118.355 mphUnited States Frank Wearne
117.716 mph
United States Hal Robson
122.096 mphUnited States Pete Romcevich****
117.218 mphUnited States Duke Nalon
128.082 mph
United States Al Miller
124.848 mphUnited States Rex Mays
124.412 mphUnited States Paul Russo
123.967 mph
United States Joie Chitwood
123.157 mphUnited States Fred Agabashian ****
121.478 mphUnited States Charles Van Acker ****
121.049 mph
United States Tony Bettenhausen
120.980 mphUnited States Henry Banks
120.923 mphUnited States Duke Dinsmore
119.840 mph
United States Cy Marshall
115.644 mphUnited States Mel Hansen
117.298 mphUnited States Emil Andres
116.781 mph

Failed to Qualify

  • United StatesWalt Ader **** (#6)
  • BelgiumZora Arkus-Duntov **** (#49)
  • United StatesBud Bardowski ****
  • United StatesTommy Boggs **** (#23)
  • United StatesFrank Brisko
  • Great BritainLeslie Brooke **** (#35)
  • United StatesJim Brubaker **** (#86)
  • United StatesRed Byron **** (#22)
  • United StatesDuane Carter **** (#32)
  • United StatesHal Cole - Withdrew due to ASPAR dispute
  • United StatesCharles Crawford (#67)
  • United StatesBilly Devore (#17)
  • United StatesLouis Durant (#23)
  • United StatesSam Grecco **** (#51)
  • United StatesSam Hanks (#54)
  • United StatesTommy Hinnershitz (#5) - Did not arrive
  • United StatesNorm Houser **** (#69)
  • United StatesDanny Kladis - Withdrew due to ASPAR dispute
  • United StatesJohnny Mauro **** (#64)
  • United StatesHarry McQuinn
  • United StatesGeorge Metzler **** (#55)
  • United StatesChet Miller - Withdrew due to ASPAR dispute
  • United StatesWally Mitchell **** - Withdrew due to ASPAR dispute
  • United StatesOverton Phillips - Withdrew due to ASPAR dispute
  • United StatesBuddy Rusch ****
  • United StatesArt Scovell ****
  • United StatesBill Sheffler - Withdrew due to ASPAR dispute
  • United StatesHal Stetson **** - Did not appear
  • United StatesJoel Thorne - Withdrew due to ASPAR dispute
  • United StatesLouis Tomei (#44, #57)
  • United StatesSteve Truchan **** (#28)
  • United StatesGeorge Weaver **** (#44)
  • United StatesDoc Williams (#54)

Race summary

Late in the race, Lou Moore teammates Bill Holland and Mauri Rose were running 1st and 2nd. The pit crew displayed a confusing chalkboard sign with the letters "EZY" to Holland, presumably meaning for him to take the final laps at a reduced pace to safely make it to the finish. Mauri Rose ignored the board, and charged to catch up to Holland. Holland believed he held a lap lead over Rose, and allowed him to catch up. The two drivers waved as Rose passed Holland, with Holland believing it was not more than a congratulatory gesture.

In reality, the pass Rose made was for the lead, and he led the final 8 laps to take the controversial victory. The race was marred by a 41st lap crash that claimed the life of Shorty Cantlon.

Rose's distance finish time of 4:17:52.17 was the second fastest finish of the Indianapolis 500 ever, at the time. Only the 1938 Indianapolis 500 had been completed in a faster total time as of 1947. After Rose completed the 500 mile distance, approximately 40 minutes was given for additional drivers to finish, before any remaining drivers who had not completed the distance by then were flagged off the track. The 1947 race was also the coldest on record, with an average temperature of 50 degrees and morning low of 37.

Box score

FinishStartNoNameChassisEngineLapsTime/Retired123456789101112131415161718192021222324252627282930
327United States Mauri Rose ****DiedtOffenhauser200116.338 mph
816United States Bill Holland ****DiedtOffenhauser200+32.12
11United States Ted HornMaseratiMaserati200+3:00.38
454United States Herb Ardinger
(Cliff Bergere Laps 70–200)Kurtis KraftNovi200+6:40.35
107United States Jimmy JacksonMillerOffenhauser200+8:00.48
209United States Rex MaysKurtis KraftWinfield200+12:16.33
1433United States Walt Brown ****Alfa RomeoAlfa Romeo200+36:49.40
2834United States Cy MarshallA.R.-WeilAlfa Romeo197-3 laps
2341United States Fred Agabashian ****Kurtis KraftDuray191-9 laps
2710United States Duke Dinsmore
(Billy Devore Laps 79–118)WetterothOffenhauser167-33 laps
758United States Les Anderson ****MaseratiOffenhauser131-69 laps
1757United States Pete Romcevich ****MillerFord168Oil line
303United States Emil Andres
(George Connor Laps 70–150)LenckiLencki150Magneto
1531United States Frank Wearne
(Louis Tomei Laps 54–103)MillerOffenhauser128Spun T3
947United States Ken FowlerAlfa RomeoAlfa Romeo121Axle
1846United States Duke NalonMercedes-Benz W154Mercedes-Benz119Piston
1242United States Roland FreeWetterothMiller87Spun
2529United States Tony BettenhausenStevensOffenhauser79Timing gear
625United States Russ SnowbergerMaseratiMaserati74Oil pump
1652United States Hal RobsonAdamsOffenhauser67Universal joint
218United States Cliff BergereKurtis KraftNovi62Piston
228United States Joie ChitwoodWetterothOffenhauser51Gears
524United States Shorty Cantlon ✝SnowbergerMiller40Fatal crash T1
2643United States Henry BanksMillerOffenhauser36Oil line
1966United States Al MillerMillerMiller33Magneto
1314United States George ConnorKurtis KraftOffenhauser32Fuel leak
2938United States Mel HansenAdamsSparks32Disqualified, Pushed
2115United States Paul RussoShawOffenhauser24Crash FS
2444United States Charles Van Acker ****StevensLencki24Crash FS
1153United States Milt Fankhouser ****StevensOffenhauser15Stalled

Note: Relief drivers in parentheses

**** Former Indianapolis 500 winner

**** Indianapolis 500 Rookie

All entrants utilized Firestone tires.

Race statistics

Lap LeadersLapsLeader
1–23Cliff Bergere
24–59Bill Holland
60–85Mauri Rose
86–192Bill Holland
193–200Mauri Rose
Total laps ledDriverLaps
Bill Holland143
Mauri Rose34
Cliff Bergere23
Yellow LightsLaps*Reason
24Milt Fankhouser off course in turn 1
Charles Van Acker, Paul Russo, crash on frontstretch (4:38)
40Shorty Cantlon crash in turn 1
88Roland Free spin in turn 1
* – *Approximate lap counts*

Broadcasting

Radio

The race was carried live on the Mutual Broadcasting System, the precursor to the IMS Radio Network. The broadcast was sponsored by Perfect Circle Piston Rings and Bill Slater served as the anchor. The broadcast feature live coverage of the start, the finish, and live updates throughout the race.

Barry Lake served as "roving reporter," stationed on an Army Jeep. Larry Richardson was stationed in the new Press Paddock (constructed underneath the Paddock Penthouse upper deck) on the outside of the mainstretch, relaying scoring and official information.

Mutual Broadcasting SystemBooth AnnouncersTurn ReportersPits/roving reporters
Norman Perry
Barry Lake

Notes

Works cited

  • 1947 Indianapolis 500 Radio Broadcast, Mutual: Re-broadcast on "The All-Night Race Party" - WIBC-AM (May 29, 2004)

References

References

  1. Fox, Jack C.. (1994). "The Illustrated History of the Indianapolis 500 1911-1994". Carl Hungness Publishing.
  2. Brooks, Ralph L.. (May 31, 1947). "165,000 See Race Classic". The Indianapolis Star.
  3. (May 18, 1947). "126.564 Tops For Field of 4 (Part 1)". The Indianapolis Star.
  4. (May 18, 1947). "126.564 Tops For Field of 4 (Part 2)". The Indianapolis Star.
  5. (May 19, 1947). "Cantlon Paces 3 New Qualifiers (Part 1)". The Indianapolis Star.
  6. (May 19, 1947). "Cantlon Paces 3 New Qualifiers (Part 2)". The Indianapolis Star.
  7. ""1947 International 500 Mile Sweepstakes".
  8. Wire Dispatches. (May 31, 1947). "Rose Wins 2d 500 Miler; Cantlon Killed In Spill". The Courier-Journal.
  9. Sainsbury, Ed. (May 31, 1947). "Rose Wins '500', Holland 2d; Auto Race Crash Kills Cantlon". The Philadelphia Inquirer.
  10. (June 25, 2019). "Indianapolis 500".
  11. "Indianapolis 500 1947". Ultimate Racing History.
  12. "International 500 Mile Sweepstakes – May 30, 1947". ChampCarStats.com.
  13. (May 30, 1947). "Driver Killed In 500-Mile Auto Race". Evansville Press.
  14. Kern, C.L.. (May 31, 1947). "Victory Was First For Lou Moore Creation". [[The Indianapolis Star]].
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