Mounting Diameter.

[Roasted 10+ year member]

Jigsaw buddy...11inches in diameter. Keep those hands stable and your circle should come out near perfect.

Problem is, the bottom side of the saw bends... So even though I may APPEAR to have a perfect circle, the cutout isn't STRAIGHT down like it should be.

*cries*

 

[GTonDubs 10+ year member]

wait

i have it

 

[GTonDubs 10+ year member]

10 and 7/8ths inches

or 275mm

if you do any bigger you can loose performance, risk having leaks, screws wont screw in right ect...