Unit confusion; RPM and Strokes per minute.

[TheRB4891]

I know power = Torque x angular velocity (rad/s) AND
I am wondering if angular velocity can be calculated through strokes per minute?

The product is a reciprocating saw (not orbital).

In this case are RPM's the same as SPM'S?

Thanks

 

[berkeman]

I know power = Torque x angular velocity (rad/s) AND
I am wondering if angular velocity can be calculated through strokes per minute?

The product is a reciprocating saw (not orbital).

In this case are RPM's the same as SPM'S?

Thanks

Welcome to the PF.

Do you know what the mechanism looks like to convert the spinning motor shaft into the reciprocating motion of the saw blade? Is there any gearing involved?

 

[TheRB4891]

I must plead "noob" on this subject if I'm honest, i mean yes there is gearing but i don't have the ratio's, this is the exploded view of the saw i am analysing.

http://www.makitauk.com/shop/parts/partdrawings.asp?groupid=2125&model=BJR181RFE3&fromItemInfo=1