Chapter9 Operational Performance Section 1 Dynamic Property 4.2 Fixing the Maximum Speed The maximum speed is the highest speed automobiles can reach on level roads in good condition.At the moment: D=f 4.3 Fixing the Climbing Ability Domax am=si D-f·1-D2a+f Vamax Va 1+f2 4.4 Fixing the Accelerating Ability Figure 9-9 Using dynamic property figure to fix automobiles'dynamic property D=f+ 8 dva g dt da=8(D-f） dtδ 械电子工程学 《汽车拖拉机学》 Northwest A&F University 《汽车拖拉机学》 Northwest A&F University Chapter 9 Operational Performance Figure 9-9 Using dynamic property figure to fix automobiles’ dynamic property 4.2 Fixing the Maximum Speed The maximum speed is the highest speed automobiles can reach on level roads in good condition. At the moment: , D=f 4.3 Fixing the Climbing Ability 2 2 2 1 Im Im max 1 1 sin f D f D f a x a x + −  − + = −  dt dV g D f a = +   (D f ) g dt dVa = −  4.4 Fixing the Accelerating Ability Section 1 Dynamic Property