4
votes
How to limit the power of the brushless motor
Hi mate the design of an ESC with a power limiter is not an easy task.
A purchased ESC will probably have a means of limiting torque or current, but not power. Battery current is probably the best ...
- 481
3
votes
ESC overload protection at stall current?
When buying ESCs make sure they have over-current protection, like Kevin said. This should limit the current to prevent damage. Also over-temperature protection is a good additional safety measure. ...
- 171
2
votes
Accepted
What battery/motor setup will replace this 1980s vintage glow engine?
I would suggest two answers:
Answer 1: The pragmatic approach:
A good rule of thumb for estimating power needs for RC applications is to use 100 watts per pound for sport flying, 150 for aggressive ...
- 481
2
votes
FC powers RX only if USB is connected?
Well thank you all for pointing me to the right direction. While googling, I found a Mateksys(!) blog entry which exactly describe this behavior for FCs which have issues on the (5V) power lane.
So I ...
- 245
2
votes
Accepted
FC powers RX only if USB is connected?
A quick look at the kakute shows that it definitely has a regulator on board, so it should be able to make 5V from the provided vbat. I would suspect a bad cable from ESC to FC, which can be confirmed ...
- 1,049
1
vote
I am confused on how to measure thrust for a propeller and would like some help
Yes, you'd use a watt meter. It's possible to measure volts and amps separately and multiply them together to get watts, but it's convenient to have a device that does it automatically. Additionally ...
- 7,428
1
vote
Flight properties vs Energy Storage, is it a linear relationship?
Battery capacity and flight time isn't a linear relationship as a battery that is too small may not be able to supply enough current, and one that is too large may be too heavy for the motors to lift.
...
- 7,428
1
vote
What battery can I use for 1000kv brushless motor, that will be the cheapest?
Any 3S Lipo would do your setup perfectly fine. Step up to a 4S Lipo if you’re interested in unlimited vertical. Get whatever mAh size that’ll fit your battery compartment. My recommendation for cheap ...
- 11
1
vote
Accepted
Can I put lipo and li-ion batteries in series
What I think you needed to ask is "are lithium-polymer and lithium-ion battery cells of the same capacity compatible in a single pack?"
The answer to that is that those are two different ...
- 307
1
vote
How to limit the power of the brushless motor
This is done by choosing the correct battery and propeller combination--that's it. Choose a battery. Fully charge it. Then, start testing propellers with a power meter in series with your battery. ...
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