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Q: Why are gear trains used?
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What are gear trains?

trains with gears


What is the difference between old trains and new trains?

The difference between old and new trains is in their running gear and method of propulsion. Old trains used coal and steam while modern trains use diesel engines to power electrical motors.


What is difference between old trains and new trains?

The difference between old and new trains is in their running gear and method of propulsion. Old trains used coal and steam while modern trains use diesel engines to power electrical motors.


What were diese trains used for?

Diesel trains are used for freight and sometimes they're used for passenger trains.


What does passenger trains used for?

Passenger trains are used to transport passengers.


What trains were used in the 1860s?

steam engine trains.


How can you modify gear trains to reverse the direction of motion of the output shafts?

use a 3 bevelled gear arrangement akin to what is used in a car differential on the drive axle - it is possible to have a connecting shaft rotating the opposite direction to the original motion of the gears


What kind of trains are used in Japan's subway?

Japanese Trains


Why is coal no longer used in trains?

Coal is still used in many steam engines today. Coal is not used on diesel trains or electric trains simply because it is not fuel for them. Electric trains and diesel trains are the most common trains in use, and not trains capable of using coal, because they are more efficent and much less costly to maintain.


What type of coal is used in trains?

What type of coal do they use in trains?


Why don't commuters use trains?

why commuters don't used the trains


What were steam engine trains used for?

The same things modern trains are used for: hauling cargo and people.