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-   -   rpm of a cordless drill motor? (https://www.diybanter.com/electronics-repair/261793-rpm-cordless-drill-motor.html)

John Doe October 2nd 08 09:18 PM

rpm of a cordless drill motor?
 

What might be the typical rpm of a cordless drill motor?

Or what is the typical gear ratio?

Some single speed spin up to about 700 rpm at the chuck.
Dual speed usually go up to about 400 and 1400 rpm at the chuck.

Thanks.

John Doe October 2nd 08 09:23 PM

rpm of a cordless drill motor?
 

I am calculating it at somewhere around 9000 rpm, but I'm hoping that's
not true.

Bob Eld October 2nd 08 10:47 PM

rpm of a cordless drill motor?
 

"John Doe" wrote in message
...

I am calculating it at somewhere around 9000 rpm, but I'm hoping that's
not true.


It's likely to be something like that, at least three or four thousand RPM
unloaded. All hand held drills are geared down between 5:1 and 10:1, some
even more.



Jamie October 3rd 08 01:48 AM

rpm of a cordless drill motor?
 
John Doe wrote:

What might be the typical rpm of a cordless drill motor?

Or what is the typical gear ratio?

Some single speed spin up to about 700 rpm at the chuck.
Dual speed usually go up to about 400 and 1400 rpm at the chuck.

Thanks.

I think you'll find it to be more like
no more than 400 on torque mode and maybe
900 or so on speed mode at the chuck..





http://webpages.charter.net/jamie_5"



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