Ковбой Marlboro писал(а):И что за jackshaft = 1,233 в таблице?
jackshaft - промежуточный вал.
В вики
A jackshaft, also called a countershaft, is a common mechanical design component used to transfer or synchronize rotational force in a machine. A jackshaft is often just a short stub with supporting bearings on the ends and two pulleys, gears, or cranks attached to it. In general, a jackshaft is any shaft that is used as an intermediary transmitting power from a driving shaft to a driven shaft.
Я думаю имеется ввиду передаточное отношения ведомого вала среднего привода:

- XV1900_jackshaft.PNG (128.97 КБ) 5218 просмотров
Добавлено спустя 3 минуты 49 секунд:
Если убрать этот коофициент, то
Speed at Redline (kph) = 284.7
