User Russell McMahon

1 vote

Is there a way by which one could determine the required temperature difference for stirling engine?

answered Nov 17, 2020 at 12:00

1 vote

How high will a flywheel catapult launch a payload?

answered Oct 22, 2020 at 2:09

1 vote

Effects of Solar Shield on Electronics Enclosure

answered May 5, 2020 at 10:06

1 vote

What's a simple machine to lift and drop a 100 lbs weight repeatedly using an electric motor?

answered Apr 4, 2020 at 12:03

2 votes

Torque needed to draw back 220Lb's of weight?

answered Mar 30, 2020 at 10:15

2 votes

Could a string of large offshore wind towers support a Hyperloop tube?

answered Feb 5, 2020 at 10:39

0 votes

How to calculate the torque created by a rotating motor?

answered Jan 31, 2020 at 9:52

1 vote

Accepted

How to calculate meters per pixel for a given camera?

answered Jan 25, 2020 at 7:07

1 vote

Dc motors for controlling wheels of a wheelchair

answered Jan 9, 2018 at 23:06

2 votes

Accepted

How to accurately calculate the rpm from a gear train

answered Jan 18, 2017 at 10:24

2 votes

Wingspan formula for an Ornithopter

answered Nov 29, 2016 at 6:46

2 votes

How to simulate car acceleration

answered Nov 28, 2016 at 0:51

1 vote

Plastic Injection Moulding a Piece with Undercuts

answered Nov 27, 2016 at 12:15

2 votes

How does a frequency to voltage converter work?

answered Apr 8, 2016 at 15:55

0 votes

Control the rotation of multiple discs along the same axis

answered Apr 1, 2016 at 11:27

3 votes

Accepted

Why do these memory spaces start at F8000 instead of F0000?

answered Mar 9, 2016 at 5:41

1 vote

Wind protection for solar installation

answered Jan 13, 2016 at 11:58

3 votes

Is it possible that an electronic device "half-works" when the power adapter supplies too much voltage?

answered Jan 7, 2016 at 11:33

2 votes

Accepted

Converting accelerating linear motion into constant rotational motion

answered Jan 2, 2016 at 11:44

4 votes

Why design a cable stayed bridge with pylons inclined towards the obstacle being spanned?

answered Nov 18, 2015 at 8:27

4 votes

If my electronics are outdoors in a ventillated NEMA 4 enclosure, should I conformal coat my circuit boards?

answered Oct 9, 2015 at 13:43

7 votes

How does one go about building an underground structure without concrete?

answered Sep 8, 2015 at 13:09

2 votes

Is battery-charge-stop-at-XX-percent circuitry not cheap?

answered Sep 7, 2015 at 10:40

0 votes

How was it possible to beat a soldier with a full plate armor?

answered Aug 14, 2015 at 4:49

5 votes

Accepted

Could future fusion energy exist without the input of any petroleum or natural gas products?

answered Aug 8, 2015 at 15:14

6 votes

Accepted

Can large capacitors allow power plants to run at full load and store excess electricity?

answered Aug 3, 2015 at 8:57

2 votes

Calculate energy (kW, or kJ) from Vapour Expander Generator

answered Aug 1, 2015 at 9:53

2 votes

Accepted

Vehicle emergency high-deceleration braking and steering system

answered Jul 28, 2015 at 13:33

5 votes

Accepted

What would happen if we tried to run a motor in space when it is not attached to anything to provide support to it?

answered Jul 24, 2015 at 15:32

3 votes

Is there current multiplier circuit?

answered Jul 23, 2015 at 11:26

Stack Exchange Network

89 Answers

Is there a way by which one could determine the required temperature difference for stirling engine?

How high will a flywheel catapult launch a payload?

Effects of Solar Shield on Electronics Enclosure

What's a simple machine to lift and drop a 100 lbs weight repeatedly using an electric motor?

Torque needed to draw back 220Lb's of weight?

Could a string of large offshore wind towers support a Hyperloop tube?

How to calculate the torque created by a rotating motor?

How to calculate meters per pixel for a given camera?

Dc motors for controlling wheels of a wheelchair

How to accurately calculate the rpm from a gear train

Wingspan formula for an Ornithopter

How to simulate car acceleration

Plastic Injection Moulding a Piece with Undercuts

How does a frequency to voltage converter work?

Control the rotation of multiple discs along the same axis

Why do these memory spaces start at F8000 instead of F0000?

Wind protection for solar installation

Is it possible that an electronic device "half-works" when the power adapter supplies too much voltage?

Converting accelerating linear motion into constant rotational motion

Why design a cable stayed bridge with pylons inclined towards the obstacle being spanned?

If my electronics are outdoors in a ventillated NEMA 4 enclosure, should I conformal coat my circuit boards?

How does one go about building an underground structure without concrete?

Is battery-charge-stop-at-XX-percent circuitry not cheap?

How was it possible to beat a soldier with a full plate armor?

Could future fusion energy exist without the input of any petroleum or natural gas products?

Can large capacitors allow power plants to run at full load and store excess electricity?

Calculate energy (kW, or kJ) from Vapour Expander Generator

Vehicle emergency high-deceleration braking and steering system

What would happen if we tried to run a motor in space when it is not attached to anything to provide support to it?

Is there current multiplier circuit?