Surprised Seagull
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5 answers
4 votes
199 views
Preventing a DC motor from stalling
Accepted answer
2 votes

When you bump the plate on a thread off the edge, the plate tilts, inertia of the motor drives the plate to a larger angle. Deformed plastic grips much stronger than what motor can move. To avoid this ...

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2 answers
1 votes
42 views
Feasibility of reconstituting existing 5083 Aluminium
1 votes

Can you melt 5083 and cast it? yes, this alloy is ok for this role. It is not heat treated, it has somewhat good protection against environment. I worry more about thin shell casting problem - metal ...

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1 answers
1 votes
22 views
How can I measure the flow rate of CO2 gas from two different canisters?
1 votes

Well, technically you would use absorbent like Ca(OH)2 and weight it, to measure how much CO2 you got, through a CO2 permeable membrane to avoid H2O. But in your case its much simpler to just weight ...

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3 answers
1 votes
154 views
Does outgassing, of adhesives, stop when the cure time is reached
1 votes

Almost all chemical processes slow down as you have less chemicals that can react. Same is true for CA glue. As it reacts with water, it becomes harder and less permeable to water and itself. You can ...

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1 answers
1 votes
30 views
Can you shape a magnet and how would it effect its field
0 votes

To help with your intuition you can imagine any form, filled with tiny ball magnets. Each small piece of magnet can have its own orientation of the field. There is no rule that says that macroscopic ...

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1 answers
1 votes
107 views
Electric vehicle charging losses
0 votes

Losses will likely be slightly higher for 120V due to larger current, need for more wire material, less adapted semiconductors. Loss in cable is reduced as voltage is increased, so larger voltage is ...

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1 answers
0 votes
90 views
How to calculate a gas burner dimensions?
0 votes

You cant treat it as CSTR, not even for guestimate. Gas reactions are much more dependent on mixing. Imagine a candle fire, it gives 1 MW/m3, and imagine 747 Boeing engine, that gives about 1000 MW/m3,...

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2 answers
3 votes
103 views
LC oscillator circuit
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They will see the same frequency. Simple explanation: capacitors connected with no resistance or inductance anywhere in the loop from one to another will act as a single capacitor with capacitance ...

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