- #1
Metalheadman
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Hello I am wondering what the relation between motor rpms and propeller rpms. I know that once you put the propeller on you are going to lose some of that speed due to drag and weight of the propeller.
Spec.
Battery: 10 Cell /37V
RPM: 231kv
Max current: 80A
Watts: 2960w
No load current: 37V/1.47A
Internal resistance: 0.028 ohm
Pole Count: 24
Weight: 849g
Diameter of shaft: 10mm
Suggested ESC: 120A 10S Compatible
Suggested Prop: 21x13 APC-W
So this shaft maximum rpm would be 231 * 37 = 8500 rpms.
So if I put that prop on that they suggest what would the rpms be of that propeller and how would I go about figuring those numbers out so I can do this for multiple motors. I need to know what the maximum thrust output is to find the most inexpensive motor that has the highest thrust output.
So to sum up is there a mathematical way to figure out the rpms of a propeller with the propeller data and the shaft rpm of the motor so I can calculate the maximum thrust that the motor and prop I choose will put out?
Thanks for the help guys I hope you under stand what I am asking
Peace
Spec.
Battery: 10 Cell /37V
RPM: 231kv
Max current: 80A
Watts: 2960w
No load current: 37V/1.47A
Internal resistance: 0.028 ohm
Pole Count: 24
Weight: 849g
Diameter of shaft: 10mm
Suggested ESC: 120A 10S Compatible
Suggested Prop: 21x13 APC-W
So this shaft maximum rpm would be 231 * 37 = 8500 rpms.
So if I put that prop on that they suggest what would the rpms be of that propeller and how would I go about figuring those numbers out so I can do this for multiple motors. I need to know what the maximum thrust output is to find the most inexpensive motor that has the highest thrust output.
So to sum up is there a mathematical way to figure out the rpms of a propeller with the propeller data and the shaft rpm of the motor so I can calculate the maximum thrust that the motor and prop I choose will put out?
Thanks for the help guys I hope you under stand what I am asking
Peace
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