All Questions
Tagged with automotive-engineering power-transmission
10
questions
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Are double universal (Cardan) joints exactly constant velocity?
Some double universal joints use a centering joint to ensure that the angle of the input and output are equal to maintain a constant velocity through the joint. From what I can tell, this centering ...
- 67
0
votes
2
answers
355
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Wheel's torque and differential gearbox
I know that the differential gearbox is providing a torque to the wheels; as the relation in the figure indicates : Tw (wheel torque) = Td (differential torque) × (ηd×nd). Where nd:is the differential ...
- 50
-1
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4
answers
70
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Shifting Between Gears To Achieve Higher Acceleration
If the car's acceleration is higher when the wheel's angular acceleration is higher(tangential acceleration=alpha x radius). Why are higher gears not used to accomplish the acceleration of the car ...
- 50
2
votes
1
answer
413
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Cross-drive steering transmission forward movement
The following is a diagram of a cross drive steering transmission component. The labels are in German, but my following explanations will be in English.
(from https://de.wikipedia.org/wiki/Datei:...
- 195
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98
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Power calculations for starter motor designing [closed]
Let's consider an IC engine standard type motorcycle. What is the power needed from the starter motor to start it's engine? Please make all the calculations by taking suitable assumptions like the ...
- 11
4
votes
3
answers
257
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How does my automatic car shift without complete temporary loss of acceleration
When my car shifts gears, the car's acceleration never goes to 0. I feel that there is constant torque to the wheels throughout the entire shift.
How is this possible during a gear change?
...
- 91
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413
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How does tractor achieve constant PTO speed?
Tractors have a PTO shaft which supplies power to implements. Most implements are rated 540 or 1000 RPM.
I'd like to know more about transmission that is used to convert variable motor shaft rotation ...
- 103
2
votes
1
answer
926
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Working of spider gear in differential axle wheel mechanism
What causes the spider gear to spin about it's own axis while the vehicle is taking a turn?
- 97
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73
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Why are there no fully diesel electric cars?
Diesel electric locomotives seem popular, even these days. The UK's Type 45 destroyers have tried integrated electric propulsion, and I think that there are hybrid motor-generator cars that can ...
- 916
2
votes
4
answers
494
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Find clutch for parallel hybrid sailboat
I am replacing my dead diesel engine in my sailboat.
I wish to replace it with a new diesel and an electric motor in parallel hybrid.
Hybrid vehicle drivetrain
This would allow me to:
Run the ...
- 21