And as in races, it is not the large stride, or high lift, that makes the speed: so in business, the keeping close to the matter, and not taking of it too much at once, procureth dispatch.

When we take the lift, translate and tell me, this is a high speed lift, so long as more than one minute, can reach under of the torch.

The key technique of the project of the high-speed rotorcraft is the shift smoothness of lift and power.