LazyReader
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Why does this fence have a kink?
10 votes

Bending adds rigidity. Take a piece of paper, fold it, the bend gives it a rigid form to hold more weight. V-Mesh fences are also used in equestrianism as horse fencing helps keeps predators out and ...

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Why are there towns that do not follow the cardinal directions?
2 votes

Not all cities follow a design plan. Some cities built before industrial revolution followed a gain solar dynamic like ancient greece, mesopotamians. The Ancient Greeks built whole towns and cities ...

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Lightning strike and metal structures in garden
2 votes

Lightning often strikes at the highest point. So it's more likely to hit the trees (as they often do) than the bars. That's why lightning rods are build on high precipices, buildings, etc. ...

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Reusing Old Wells to Desalinate Water with Geothermal
Accepted answer
1 votes

No, because dumping water in the hot wells may cool the wells. Geothermal power systems are careful not to deplete hot wells, by adding only as much water they know they can boil. Besides, when you ...

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What's sort of "sidewalk" pavement is this?
1 votes

Antivehicular ones. But also anti pedestrian, The goal is to keep pedestrians and people, bikers, etc off this section. Namely because if it should be in proximity to moving vehicles.

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Is CNC milling on metals always followed by heat treatment?
0 votes

not really. CNC reduces volume/mass of a pre-selected already fabricated material (Steel, aluminum, titanium) there's No need to heat treat it, as it was already done when made as a block. If heat ...

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Why don't we just build a giant wind turbine?
0 votes

Weight. As turbines get larger, it's the point of diminishing returns it takes a steady and constant wind velocity in order to accomplish the same goal. The bigger the machines get...........the ...

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Steel grade recommendation
0 votes

food-grade steel. 304 grade stainless 18/8 or 18/10 stainless.

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Advantages of hydrogen gas turbine over fuel cell
0 votes

Hydrogen combustion has some advantages over fuel cells, namely rate of consumption allows significant power output. Uses existing technology, gas turbines can be easily modded to burn any gaseous ...

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What affects a car's overall top speed?
0 votes

Horsepower -weight -aerodynamic drag Most of all aerodynamic lift......... As a car body as it goes faster will siphon air below it's underbelly acting as a lifting force.

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How are composite fiber metal laminate panels bonded together?
0 votes

ANYTHING involving composites involves adhesives or epoxies. https://www.masterbond.com/applications/composite-metal-adhesives-bonding

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Aluminum tube frame to support 2300 lbs water tank
0 votes

Aluminum tube compressive strength by gauged wall thickness. https://www.unifiedalloys.com/p/aluminum-copper-carbon-steel-tube-pressure-ratings/ It's pretty tough, better idea, just get a bunch of ...

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How can I achieve better MPG?
0 votes

The biggest circumstance is CONTROL YOUR SPEED. Air resistance (drag) increases with the square of speed, and therefore the power needed to push an object through air increases with the cube of the ...

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How to calculate the volume of air that will cool steel?
0 votes

Specific heat capacity of steel is 0.466. In other words it takes 0.466 joules to raise the temperature of one gram of steel one degree Celsius. So how hot is the steel initially. In your case 90 ...

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Is there a maximum life for things made out of stainless steel or cast iron?
0 votes

Stainless steel has an average life expectancy of about 50-100 years. Look no further than the two most famous stainless steel monuments, the St. Louis arch and Chrysler building. While Chrysler is ...

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Could pre-stressed graphene be used to reinforce granite block construction?
0 votes

Graphene is still a material with research into it's applications being investigated. What bonding agents and how it would be used into what material, like fibers, bars, etc.

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How do you account for buckling in a brick and mortar structure?
0 votes

To answer this, let us first make quick list of old and new building materials: Old: Limestone Marble Lime concrete Clay bricks/ tiles Slate Modern: Portland cement concrete Steel Reinforced concrete ...

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What makes scooters unstable at high speeds?
0 votes

Wheels surface area is very, very small, compared to say a bike, tricycle or other wheeled vehicle. That's fine on hard smooth surfaces like say a roller rink or a skateboard ramp. But terrible on ...

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Is it better to charge my electric car on windy days?
-1 votes

Plug your car when energy prices are at lowest....The cheapest electricity can be found during “off-peak” hours when demand is low. For example, on the East Coast, summer off-peak hours might be from ...

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If the developing countries consumed as much energy per capita as China how much the current energy need would grow?
-1 votes

China's Per capita energy use is 3,968 kilowatt-hours per year (14.28 Gigajoules) Sub-Saharan Africa: 500 kwh per capita. Global electric consumption in Africa is 700 Terawatt hours China: 7,500 ...

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Out of the three types of Stirling Engines, which one is the most efficient and delivers the most amount of power?
-1 votes

Gamma Type. Gamma configuration proves to be the most efficient type of Stirling engine because of it's decrease in overall volume that needs heating.

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Is there a way to make an air conditioner without venting heat outdoors?
-2 votes

Heat's gotta go somewhere? One idea would be to deposit underground in geothermal coils.........

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