The Watson Indy Roadster was an open-wheel race car chassis designed and developed by automotive mechanic and engineer A. J. Watson for U.S.A.C. Indy car racing, between 1956 and 1964.[4][5][6]

Watson Indy Roadster[1][2]
CategoryU.S.A.C. IndyCar
Technical specifications
SuspensionSolid axles and torsion bar suspension, dual shock absorbers
Length186 in (4,724.4 mm)
Width58 in (1,473.2 mm)
Height44 in (1,117.6 mm)
Axle track52 in (1,320.8 mm) (front)
54 in (1,371.6 mm) (rear)
Wheelbase96 in (2,438.4 mm)
EngineOffenhauser 255–270 cu in (4.2–4.4 L) 16-valve, DOHC I4, naturally-aspirated, FR
TransmissionOffenhauser[3] 2-speed manual
Power> 425–450 hp (317–336 kW) @ 6000 rpm
550 lb⋅ft (746 N⋅m) torque
Weight1,550 lb (703.1 kg)
Competition history
A 1958 Watson-Offenhauser which won the Race of Two Worlds in Monza, Italy.

References

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  1. ^ "1957 A.J. WATSON INDY ROADSTER RE-CREATION - Barrett-Jackson Auction Company - World's Greatest Collector Car Auctions". www.barrett-jackson.com.
  2. ^ "1963 Watson Indy Roadster technical and mechanical specifications". conceptcarz.com.
  3. ^ "1963 Watson Indianapolis Roadster". www.goodingco.com.
  4. ^ "1963 Watson Indy Roadster". www.classicdriver.com.
  5. ^ "1960 Watson Indianapolis Roadster | The Andrews Collection". RM Sotheby's.
  6. ^ "1960 Watson Indy Roadster for sale: Anamera". www.finecars.cc.