Questions tagged [power-transmission]

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11 views

How to prevent leakage radiation from a grid of inductors laying on a plane?

I am thinking of designing a large wireless charging pad/table.The idea is to have many inductors in a grid setup, where when a phone is placed on the pad/table it starts charging from the inductors ...
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1answer
42 views

Power transmission via a SHAFT

Recently in the class of MACHINE DESIGN our teacher gave us a Homework to find out: Whether or not a single SHAFT can operate at two different magnitudes of TORQUE? The actual question by our ...
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1answer
31 views

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?
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20 views

Can you use a flex (spider) coupler as a dog clutch in a motorbike/atv/go kart/lawn mower like setting?

My question is simple: I want to make a dog clutch system for a wakeboarding cable system and was wondering if a flex (spider) coupler could used? The power, velocity, torque is similar to a go kart /...
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9 views

Can I power a small vehicle with a gamma Stirling engine and hot water?

This amazon page shows a small vehicle powered by a Stirling engine where an open flame heats the hot cylinder. I am interested in a child-friendly version with a gamma Stirling engine and hot water, ...
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26 views

Power generation in combustion engine

Here's the problem: On the one end of low-speed engine (driving end) I can measure the torque transformed to mechanical energy. On the other end (free end) I'd like to join power generator with a ...
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1answer
72 views

What's the history of the 345 kV voltage level in power transmission?

I'm interested in the history of the 345 kV power level for high voltage transmission in the United States. I've got two (and a half) questions: According to this source 345 kV was first applied in ...
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36 views

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 ...
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1answer
613 views

Linear actuator on a scissor lifting table

I am designing a scissor lifting table and I have an issue with the linear actuator. This table should be lifting 100 kg. I studied the problem in two ways : a static study and a power study. My ...
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1answer
86 views

Equations for power transmitted by a flat belt drive

I've come across two equations that relate power transmitted with the belt tensions: $$\begin{align} P &= 10^{-3}(T_1 - T_2)(k)(v) \\ P &= 10^{-3}(T_1 - T_c)(k)(v) \end{align}$$ As you can ...
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0answers
65 views

How do I calculate the velocity of the piston?

I have a system with a motor connected to the trapezoidal lead screw. The lead screw is connected to the tube which is connected to the piston. The piston has to pump 1000cc oil against a pressure of ...
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2answers
653 views

What is meant by “shock load” in gears?

What is meant by shock load in gears? What are steady, light, medium and heavy shock loads?
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4answers
12k views

Transmitting power over long distances what is better AC or DC?

I found this answer to a related question. The part of the answer that's confusing me is: Transmitting DC power over a long distance is inefficient. Thus AC supply is a far more efficient to ...
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1answer
336 views

How do I connect a plate to a D-cut shaft?

i'm trying to connect a D-cut shaft to a plate for transmission of torque This is the motor that i am using with a 'diameter' of 4.5+/-.1mm My first question is whether I can use 5mm circular ...
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4answers
139 views

How does power generation (hydro, wind etc…) account for variable power consumption?

I know in a power distribution system, the power is generated (from a dam or turbine or something) and consumed immediately. But the power consumed is variable. So how does the generation system take ...
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2answers
188 views

Torque Required to Drive Capstan and Bow

I am trying to find the torque exerted on the shaft of a capstan and bow drive. In particular, the system I'm looking at has two wire rope pulleys, and two idler pulleys, and is used to drive a ...
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3answers
103 views

Why in the construction of power transmission towers , the rods are hinged oblique? [closed]

I know if a rod is hinged at its two ends and if there is no load act upon it along its length then the forces exist only along its length but i don't see how this characteristic comes into play ?
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4answers
160 views

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 ...
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1answer
181 views

Faraday cage to reduce EMI in audio amplifier

western United States. Problem / Question The bad power in my house is somehow producing EMI in my audio equipment. Will a simple Faraday cage help? (Using an aluminum metal screen) If not that, ...
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2answers
396 views

Driving many parallel shafts from one motor

Is there a preferred solution to the problem of driving parallel rotary shafts from a single motor? I have six shafts that I want to drive from one motor. The shafts are all: rotating the same ...