Questions tagged [technology]

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What is the difference between 12x50 and 18x75 differential gear sets?

The gear ratio of both 12x50 and 18x75 is 4.166666666666667 which is the same. But why don't car manufacturers use only one of them while the ratio is exactly the same? My only guess is that when the ...
-1
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2answers
87 views

Why weren't technologically crude systems (e.g. backup cameras, blind spot monitors) offered far earlier? [closed]

My 77 y.o. grandma recently rented a 2017 Ford Fusion Hybrid, and was bedazzled by its Rotary Dial Shifter (rather than the Gear Shift Lever) and the Electronic Handbrake Switch (see below). She's not ...
2
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1answer
1k views

What are the advantages and disadvantages of using lithium batteries in automotive applications?

Motor vehicles are usually powered by lead-acid batteries. However, a new player has recently begun showing its power in the automotive battery sector: lithium polymer batteries (such as LiFePo4's). ...
6
votes
1answer
615 views

How would a camshaft start moving during a cold start?

I want to know how would a camshaft ( and valves by association ) start moving on a cold start up? What gets them running and moving. Are there something they connect to to get them going?
10
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2answers
10k views

What are the differences between a normal and an anti-hopping/slipper clutch?

Obviously an anti-hopping clutch won't make the motorbike hop. How is this achieved? What are the mechanical and functional differences between a normal and an anti-hopping/slipper clutch?