
Which Way Round Does A Mini Engine Spin?
#1
Posted 01 March 2009 - 10:39 PM
#2
Posted 01 March 2009 - 10:41 PM
cant remember myself now. but ive turned it by hand to back fill the oil pump before
#3
Posted 01 March 2009 - 10:42 PM
#4
Posted 01 March 2009 - 10:43 PM
#5
Posted 01 March 2009 - 10:44 PM
#6
Posted 01 March 2009 - 10:47 PM
If you're standing by the passengers side wheel, facing the drivers side then the engine will be turning clockwise!!!
#7
Posted 01 March 2009 - 10:49 PM
#8
Posted 01 March 2009 - 10:51 PM
#9
Posted 01 March 2009 - 10:52 PM
#10
Posted 01 March 2009 - 10:58 PM
Looking at our cyber Mini, from the left side so we can see the fan we'd notice:
The road wheel going anti-clockwise when moving forwards; so the diff crown wheel is also going anti-clockwise; it's driven by the pinion (going clockwise) and in 4th that will be solidly connected right through the gearbox to the input (or 1st motion) gear. That's driven by the transfer idler (anti-clockwise);which is driven by the primary gear fixed to the crank by the clutch (back to clockwise); so looking at the front end of the crank (nearest the radiator) - it will also go clockwise.
#11
Posted 02 March 2009 - 11:02 AM
The engine never spins backwards - a good way to think of an engine is as an air pump that just happens to also be a muzzle loading, piston firing, cannon. If you barely load the cannon, like when your foot is off the go pedal then driving the pump with the road wheels uses up energy and slows the car down.
Looking at our cyber Mini, from the left side so we can see the fan we'd notice:
The road wheel going anti-clockwise when moving forwards; so the diff crown wheel is also going anti-clockwise; it's driven by the pinion (going clockwise) and in 4th that will be solidly connected right through the gearbox to the input (or 1st motion) gear. That's driven by the transfer idler (anti-clockwise);which is driven by the primary gear fixed to the crank by the clutch (back to clockwise); so looking at the front end of the crank (nearest the radiator) - it will also go clockwise.
As explinations go........... wow....lol.....

Rob
#12
Posted 02 March 2009 - 12:22 PM
And the front of the engine is at the radiator side,
Think of how it's have looked mounted longitudinally in a car, fan and radiator at the front, and clutch at the back.
This is also why cylinder numbers go one to four right to left.
Dave
#13
Posted 02 March 2009 - 02:10 PM

#14
Posted 02 March 2009 - 02:19 PM
dont you mean inline, not longitudinally.
...not this again!
#15
Posted 02 March 2009 - 03:14 PM
dont you mean inline, not longitudinally.
Stop-it, I almost wrote inline, then went for longitudinally.
Thing is we use them interchangeably at work, and the context generally give's it away!
Dave
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