Questions tagged [transmission]

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Why does DSG have low torque capacity?

Why does DSG have low torque capacity? They are very simillar to manuals but manual transmissions can handle greater torque. Why js that? What determines the torque capacity of transmission?
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44 views

Negative transmit power in dBM

I am calculating the transmit power for $K$ single antenna IoT devices in an Indoor scenario. The receiver has 64 antennas. I am trying to minimize the transmit sum-power, i.e., $\sum_k p_k$, where $...
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Why do instructions on creation of roller chain sprocket tooth profile require redundant measurements?

I'm CADing a tooth profile for a bicycle chainring model and I'm referring my measurements and formulas to these sources: http://www.gearseds.com/files/design_draw_sprocket_5.pdf https://data.epo.org/...
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1answer
31 views

Would some manufacturing processes be more efficient if driven differentially by a single motor, up to ~150 kW, than multiple lower-rated motors?

I'm writing a discussion paper on the potential energy efficiency benefits of integrating different manufacturing processes by co-location on the same site. One possible field for integration is in ...
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22 views

Transmission for variable-speed flywheel to output a steady output speed?

If you had a flywheel acting as a mechanical battery in an all mechanical system, such that you could pump energy into the flywheel up to a desired speed and then slowly drain its kinetic energy - ...
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44 views

Calculations of compound gears?

Recently I've been scratching my head over an assignment, and I have trouble understanding a couple of the parts. The issue I have is with the overall calculations, since we've just started on ...
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2answers
64 views

How to fix this gear

This is a gear that transfers force from a motorcycle kickstarter to the transmission. What method should I use to repair the missing teeth.
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1answer
46 views

Measuring intensity of a radio wave reflected from a metal plate

I am building a Project that can pinpoint location of a pen or any object (something as small as 0.5 mm radius sphere) placed on a flat screen. I am using a ultrasound sensor (initially but i can ...
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3answers
348 views

Manual transmission: Why downshifting is less smooth than shifting up?

Today while driving I had to make a quick shift to a lower gear that was not as smooth as it should've been. I've been taught that while shifting to a lower gear you have to be more careful when ...
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2answers
2k views

Friction clutch and the force required

I recently learned the basics of automotive clutches, more specifically friction clutches. Here is a simplified version of their operation explained to me (the car starts at rest): The engine and the ...
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1answer
24 views

Automatic translation of either-sided rotation to fixed directions?

Is there a purely mechanical device that takes in clockwise or counter-clockwise rotation 'indiscriminately' and outputs in both cases clockwise rotation?
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47 views

Equal power transmission in 4x4 vehicles?

If a 4x4 (true 4x4 not AWD) has 3 wheels slipping, does the one tire with traction receive all the torque available from the transmission? Is there typically a reduction in power transmission in 4x4 ...