Autodynamics (race car manufacturer)

Last updated
Autodynamics
Type Inc.
Industry Automotive
Founded1963
FounderRay Caldwell
Defunct1975
Headquarters
Flag of the United States.svg Autodynamics
Founded1964
Folded1971
Base Marblehead, Massachusetts
Team principal(s)Ray Caldwell
Former series Can-Am
Trans-Am Series
Noted drivers Flag of the United States.svg Sam Posey
Flag of the United States.svg Brett Lunger
Flag of the United States.svg Tony Adamowicz
Flag of the United States.svg Ronnie Bucknum

Autodynamics Inc. is a former American racecar manufacturer based in Marblehead, Massachusetts. The company mainly produced Formula Vee and Formula Ford chassis. The company was also active in the Trans-Am Series entering Dodge Challengers in the 1970 season. Autodynamics was, along with Formcar, the main chassis provider for the series. Roger Barr finished second at the inaugural SCCA National Championship Runoffs for Formula Vee.

Contents

History

Formula Vee beginnings

Formula Vee was announced in 1960 by the Sports Car Club of America (SCCA) and Volkswagen of America. Caldwell designed the Caldwell D-1 with help from friends. The D-1 was received well by the public and Caldwell decided to produce the car. [1] In 1964 the SCCA included the Formula Vee class in the SCCA National Championship Runoffs. Along with Formcar and Zink Cars, Autodynamics were the pioneers of the series. Roger Barr finished second in the inaugural national championship race, behind the Formcar of Lewis Kerr. The D-1 was produced in 1964 and 1965 in different variants. In total 478 were produced. It took until 1972 that Autodynamics won a National Championship in Formula Vee. Dave Weitzenhof beat a field with many Zink and Lynx chassis. [2]

Formula Ford

The Caldwell D-9 was the first Formula Ford chassis. The car was designed for the 1969 season. Skip Barber was very successful in the class. Barber won the SCCA North East Division championship as well as the National Championship Runoffs. A Caldwell D-9 won the inaugural race sanctioned by the IMSA. At Pocono Raceway Formula Ford cars ran on the 5/8-mile oval track for 200 laps. Caldwell driver Jim Clarke was declared the winner. [3] Another successful Caldwell driver was David Loring. Loring won the Ontario and Canadian Formula Ford series, as well as the IMSA Pro Series. [4]

Caldwell D-7

In 1967 Autodynamics launched the Caldwell D7 built to Group 7 rules to enter the 1967 Can-Am season. Sam Posey again was the main driver for the team with Brett Lunger and Ray Caldwell driving selected rounds. The D7 made its debut at Road America where it retired with a broken half shaft. At Mosport Park Posey finished twelfth, the best result of the season. [5] Autodynamics also entered a McLaren Mk. II when the D7 was not ready. With Posey scoring a podium at Stardust International Raceway. The D7 returned in 1968 where it finished fourth at Autódromo Hermanos Rodríguez, the first round of the 1968 United States Road Racing Championship. The following round, at Riverside Raceway, Posey improved to third, scoring the cars only podium finish. [6]

Formula 5000

Caldwell had a short lived Formula 5000 project, the D8. Lunger and Posey were the drivers for the one off project. Two chassis were built. Lunger crashed the first chassis during a test, the races were done with a second chassis. In the pro-series Posey scored the best result, a seventh place at Lime Rock Park. [7]

Trans-Am Series

Chrysler entered the Trans-Am Series with their two pony car types the Plymouth 'Cuda and the Dodge Challenger. The 'Cudas were entered by Dan Gurneys All American Racers as a factory funded effort. Caldwell "owned" the team/cars and was responsible for the final completion of the chassis' after receiving them from AAR (photos of the cars as-received from AAR at Caldwell's temporary Autodynamics West shop at Reath Automotive in Long Beach, Ca, Sam Posey's Mudge Pond Express page Chapter 6 page 129 and Autoweek ads for the Challengers "for sale" in the issue of 5/22/1971 confirms) versus AAR sending the 'Cudas back to Chrysler for travelling display purposes and later sold off to SCCA Club racers, Temporary housing for all of the Autodynamics crew was set up at the Cloud Motel in Lakewood, Ca. AAR performed all the initial engineering, modification and extensive fabrication of the body-in-white (no VIN Numbers for street use) uni-bodies, fenders, k-frame and "other" components (progress of chassis development and completion dated letter from AAR/Bob R.L. Tarozzi to Pete Hutchinson at Chrysler dated 2/2/1970 confirms). AAR sent the later production line body-in-white chassis's out to have them stripped of all paint (receipt from Superior Paint Stripping Inc. Anaheim, CA dated 3-13-70 confirms). The chassis' (Cudas and Challengers) were sent to Aerochem, Inc in Orange, Ca for "chemmilling of .006-.007 in. per surface (see Aerochem invoice dated 11/18/69 confirms). Sam Posey was the full-time driver for the first Dodge Challenger. It has been stated that the first chassis was left in the acid too long weakening the roof and structural integrity of the car (see Chapter 6, page 135 Mudge Pond Express confirms). The car required multiple chassis repairs between races. [8] until AAR came up with a solution to re-enforce the torsion bar areas in the floor that were tearing under hard braking and cornering forces (photos of the floor and cage re-enforcements from Chrysler Archives confirms). All chassis, braking, suspension and steering components were fabricated by AAR and sent to Caldwell (letter from Carroll Smith-Autodynamics Product Engineer letter to Bruce Junor at AAR dated 6/19/1979 confirms). The de-stroked 340 ci based engine to 305ci Dodge V8 engines (built by Keith Black) proved unreliable due to factory lifter angles and push rod length design not conducive to high rpm racing requirements causing multiple retirements. [9] Posey scored three podium finishes during the season accumulating all the team's points. During the last two races, at Seattle and Riverside, a second car was entered. Ronnie Bucknum and Tony Adamowicz. The second car retired in both races.

A Mid-Season decision by Chrysler to not return in 1971 killed off the efforts (internal memorandum from Max Muhlman announcing a reorganization due to Chrysler funding cutbacks dated 5/21/1970 and Chrysler letter from Pete Hutchinson to Bruce Junor at AAR dated 10/13/1970 confirms). Ford and Chevrolet also canceled their racing programs. [10]

Autodynamics eventually built 3 Challengers and Black provided 12 engines during the season. The cancellation led to a financial crisis for Autodynamics which was forced to reorganize under Chapter 11, Title 11, United States Code. [11]


Production

YearCarUnits producedClass
1964Caldwell D-1186 Formula Vee
1964Style Fitch Supersprint1
1965Caldwell D-1A194 Formula Vee
1965Fiberfabs chassis12
1965Motercycle chassis5
1966Caldwell D-1B98 Formula Vee
1966Caldwell D-2386Formula Vee trailer
1966Caldwell D-38 Formula B
1967Caldwell D-72 Group 7
1967Caldwell D-494 Formula Vee
1967Caldwell D-6802Mk. I Deserter
1967Caldwell D-6A410Mk. II Deserter
1967Caldwell D-82 Formula A
1968Caldwell D-4A148 Formula Vee
1968Caldwell D-543Hustler
1968Caldwell D-11138Deserter Autocross
1969Caldwell D-4B65 Formula Vee
1969Caldwell D-955 Formula Ford
1970Caldwell D-9B48 Formula Ford
1970Caldwell D-1017 Formula Super Vee
1970Caldwell D-9B48 Formula Ford
1970Dodge Challenger T/A3 Trans-Am Series
1970Caldwell D-14B8Racecar trailer
1970Caldwell D-15C3Racecar trailer
1971Caldwell D-1248 Formula Ford
1971Caldwell D-1374 Formula Vee
1971Caldwell D-14A48Formula Vee trailer
1972OD-11 Boat hull48

Race results

SCCA Runoffs results

Can-Am Series

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

YearCarNo.Drivers123456Pos.Pts
1966 Caldwell D722 Flag of the United States.svg Sam Posey Flag of Canada (Pantone).svg
MTE
21
-0
McLaren M1B33 Flag of the United States.svg
BRI
8
Flag of Canada (Pantone).svg
MOS
20
Flag of the United States.svg
LAG
38
Flag of the United States.svg
RIV
18
Flag of the United States.svg
LVE
21
-0
1967 Caldwell D7B1 Flag of the United States.svg Sam Posey Flag of the United States.svg
ROA
32
Flag of the United States.svg
BRI
24
Flag of Canada (Pantone).svg
MOS
12
Flag of the United States.svg
LAG
29
Flag of the United States.svg
RIV
13
Flag of the United States.svg
LVE
DNS
-0
1968 Caldwell D7C1 Flag of the United States.svg Sam Posey Flag of the United States.svg
ROA
10
9th5
Lola T1602 Flag of the United States.svg
BRI
8
Flag of Canada (Pantone).svg
EDM
4
Flag of the United States.svg
LAG
9
Flag of the United States.svg
RIV
21
Flag of the United States.svg
LVE
5

SCCA Continental Championship Formula A results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

YearCarNo.Drivers12345678Pos.Pts
1968 Caldwell D811 Flag of the United States.svg Brett Lunger Flag of the United States.svg
COL
Flag of the United States.svg
OKL
Flag of the United States.svg
ROA
Flag of the United States.svg
THO
Flag of Canada (Pantone).svg
MOS
26
Flag of the United States.svg
BRA
18
Flag of the United States.svg
LAG
28
-0
Flag of the United States.svg Sam Posey Flag of the United States.svg
LRP
7
-0

Trans-Am Series results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

YearCarNo.Drivers1234567891011Pos.Pts
1970 Dodge Challenger T/A76 Flag of the United States.svg Sam Posey Flag of the United States.svg
LAG
6
Flag of the United States.svg
LRP
3
Flag of the United States.svg
NHS
23
Flag of the United States.svg
MDO
5
Flag of the United States.svg
BRI
20
Flag of the United States.svg
BRA
20
Flag of the United States.svg
ROA
20
Flag of Canada (Pantone).svg
TRE
3
Flag of the United States.svg
WAT
4
Flag of the United States.svg
SEA
3
Flag of the United States.svg
RIV
29
4th18
77 Flag of the United States.svg Ronnie Bucknum Flag of the United States.svg
LAG
Flag of the United States.svg
LRP
Flag of the United States.svg
NHS
Flag of the United States.svg
MDO
Flag of the United States.svg
BRI
Flag of the United States.svg
BRA
Flag of the United States.svg
ROA
Flag of Canada (Pantone).svg
TRE
Flag of the United States.svg
WAT
Flag of the United States.svg
SEA
27
Flag of the United States.svg Tony Adamowicz Flag of the United States.svg
RIV
24

[12]

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References

  1. Pace, Harold. Vintage American Road Racing Cars 1950-1969. ISBN   0760317836 . Retrieved 7 September 2019.
  2. "Runoffs Driver Archive". SCCA Club Racing Board. Retrieved 7 September 2019.
  3. "IMSA 1969-1989: The first race at Pocono". Racer. Retrieved 10 September 2019.
  4. "Autodynamics 1973 catalog" (PDF). Doug Fraser. Retrieved 10 September 2019.
  5. "Caldwell D7". Racingsportscars.com. Retrieved 8 September 2019.
  6. "United States Road Racing Championship 1968". World Sports Racing Prototypes. Archived from the original on 2 December 2009. Retrieved 8 September 2019.
  7. "Caldwell D8 history". oldracingcars.com. Retrieved 8 September 2019.
  8. "One of two Sam Posey-driven Trans-Am 1970 Dodge Challengers heads to auction". Hemmings Daily. Retrieved 7 September 2019.
  9. "Riverside Trans-Am Oct. 4, 1970". A2Z Racer. Retrieved 7 September 2019.
  10. "The 1970 season was the height of the incredible Trans Am Series. Sam Posey watched it from the best seat in the house". Hagerty. Retrieved 7 September 2019.
  11. "History". Doug Fraser. Retrieved 7 September 2019.
  12. "1970 Trans-Am Box Scores" (PDF). SCCA. Archived from the original (PDF) on 4 January 2010. Retrieved 7 September 2019.