Questions tagged [efficiency]

Efficiency signifies a peak level of performance that uses the least amount of inputs to achieve the highest amount of output. It minimizes the waste of resources such as energy while accomplishing the desired output.

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53 views

Influence of propeller blade shape and tip shape on its behaviour?

Newbie here, still learning how to fly and having to buy new propellers. Of the various properties to be chosen among, there are two that have me a bit baffled: symmetrical vs. undercambered and ...
4
votes
1answer
45 views

If AUW is 90 grams, will 4500Kv motors be better than 7500Kv?

I have a build that is 90 grams and runs great with 7600Kv motors. My question is, if everything stays the same and I put on 1204 4500Kv motors on it, would I get more flight time? More power or ...
3
votes
2answers
151 views

Do flexible propellers affect multirotor efficiency?

There are a wide variety of materials and methods for making the propellers used on drones. This leads to certain propellers having different characteristics than others. Some propellers are more ...
4
votes
1answer
154 views

Does the sharpness of a propeller blade affect efficiency?

Some of the propellers I have used on drones have sharp edges (sharp enough that they have cut me) and others have comparatively dull edges. Does the sharpness of the leading edge of a propeller ...
14
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4answers
4k views

Why are larger propellers generally more efficient than smaller ones?

In almost every case, long-range drones use larger propellers than other drones that don't need to travel very far or don't need to fly for very long. I have heard that a major reason for this is ...