Russell McMahon's user avatar
Russell McMahon's user avatar
Russell McMahon's user avatar
Russell McMahon
  • Member for 7 years, 7 months
  • Last seen more than a month ago
4 votes

How would adding a wind deflector in front of roof-mounted solar panels affect drag on an RV?

7 votes
Accepted

How much current is this phone drawing?

7 votes

What is a tesla turbine and how is it different from other turbines(like pelton or francis turbine)?

1 vote

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

1 vote

How high will a flywheel catapult launch a payload?

2 votes

What is the minimum current required to charge a smartphone battery?

1 vote

Effects of Solar Shield on Electronics Enclosure

1 vote

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

2 votes

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

6 votes
Accepted

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

2 votes

Wingspan formula for an Ornithopter

2 votes

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

0 votes

How to calculate the torque created by a rotating motor?

1 vote
Accepted

How to calculate meters per pixel for a given camera?

1 vote

Dc motors for controlling wheels of a wheelchair

2 votes
Accepted

How to accurately calculate the rpm from a gear train

2 votes

How to simulate car acceleration

1 vote

Plastic Injection Moulding a Piece with Undercuts

6 votes

Why does the microwave plate start in a random direction?

2 votes

How does a frequency to voltage converter work?

0 votes

Control the rotation of multiple discs along the same axis

3 votes
Accepted

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

1 vote

Wind protection for solar installation

3 votes

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

2 votes
Accepted

Converting accelerating linear motion into constant rotational motion

7 votes
Accepted

How does a multimeter protect itself from high voltages?

1 vote

What would be a practical way for removing thousands of padlocks from valuable bridge railings?

4 votes

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

4 votes

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

2 votes

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