| 释义 |
▪ I. ˈoversteer, n.
[over- 29 b.]
A tendency in a motor vehicle to increase the sharpness of the turn when made to deviate from the straight.
1936Proc. Inst. Automobile Engin. XXX. 759 This proportion of the total roll couple carried by the front and rear tyres is found to have a very marked effect on steering, and has to be proportioned by trial to avoid excessive effects in the direction either of ‘oversteer’ or ‘understeer’. 1957Which? Autumn 25/2 Slight oversteer is noticeable if the boot is well loaded, but this is easily compensated by a slight increase of pressure on the rear tyres. 1972Sci. Amer. Aug. 20/2 In a vehicle with oversteer the driver must turn the steering wheel away from the center of the turn as speed increases. 1977Hot Car Oct. 23/2 The average driver can handle understeer more safely than oversteer.
▪ II. overˈsteer, v.
[over- 27.]
intr. To exhibit oversteer. So overˈsteering vbl. n. and ppl. a.
1936Proc. Inst. Automobile Engin. XXX. 730 Parallel-motion rear springing would give excessive over-steering because of the slip angle of the rear tyres. Ibid., Almost every car over-steers to a certain extent. 1948R. Dean-Averns Automobile Chassis Design ii. 49 An oversteering vehicle when negotiating a bend above the certain critical speed of the vehicle for straight running will tend to run into its turn. 1959Motor Manual (ed. 36) v. 147 When the slip angle is greater at the rear, the car oversteers (i.e. turns more sharply than the driver intends). 1962Times 10 Apr. 6/5 Does this Volkswagen oversteer? 1962Which? Car Suppl. Oct. 117/2 The car changed from having a strong understeering characteristic to the opposite oversteering one—that is, the rear wheels tended to turn the car more than the driver wanted. 1971C. Williams Car Conversions ii. 29 An oversteering car..does not slow down appreciably when the steering correction is applied. 1972S. Abbey Bk. of Marina xii. 110 If the rear tyre pressures are too low, the car will ‘oversteer’. |