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niels nielsen's user avatar
niels nielsen's user avatar
niels nielsen's user avatar
niels nielsen
  • Member for 6 years, 7 months
  • Last seen this week
  • corvallis, oregon, united states
41 votes
Accepted

How did mechanical engineers work before SolidWorks?

27 votes

Why doesn't epoxy stick to silicone?

19 votes

Can titanium be used as I-beams?

16 votes

Why exactly does a washer help distribute the stress around a bolt?

16 votes
Accepted

How does a helicopter hover

15 votes

Can aluminium foil be a thermal insulator?

12 votes

What is the physical meaning of pulse rate and blood pressure, from a turbo machinery point of view?

11 votes

This device is used in washing machines to dispense water and cleaning solution in the right amounts. What is the working principal of it?

11 votes

Why are most jigsaw blades designed to cut on the up stroke and have teeth that point towards the shank?

9 votes

How did this building's windows get like this?

9 votes

Why don't towers use buoyancy to reduce weight?

9 votes
Accepted

How to fix this gear

9 votes

Does a motor suffer damage when resistance to the intended motion is met?

8 votes

What did all those valves do in a U-Boat?

7 votes

How do I start looking for a cheap encoder?

7 votes

How is it possible that "fiddling around with" batteries can apparently give them more power?

7 votes

Could a mainspring be used to generate train acceleration during starting-up from the kinetic energy stored during its slowing down?

6 votes

Ways to brake an axle

6 votes
Accepted

How/why lubricating a rolling bearing would make them spin less time (dissipate energy faster)?

6 votes
Accepted

Purpose and name of fine pitch marks on a cast metal part

6 votes
Accepted

Why did the Soviet Alfa-class submarines have a titanium hull?

5 votes
Accepted

Spring degradation in hand grip trainer

5 votes

Why did steam locomotives not transfer power by cogwheels?

5 votes

Why lead was chosen as the metal for lead-acid batteries?

5 votes
Accepted

Why do drag race semi trucks slant to one side?

5 votes
Accepted

Why is the thread of the screw linear? Can it be wavy?

5 votes
Accepted

How is a highway prevented from being buried by sand in the desert?

5 votes

Do generators produce a fixed load?

5 votes

Should Engineers Understand Equations without Relying on Derivations?

5 votes
Accepted

Furnace Combustion Air Properties

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