Question about props and torgue roll

[Tamelesstgr]

When a selected prop has a tendency to torque roll a hull, I am trying to understand the main contributing factor.

Is it:

A) The Diameter of the prop? EX: 42mm, 48mm etc
B) The Pitch of the prop? EX: 1.4, 1.5, 1.6 etc.
C) Overall pitch of the prop?
D) Other factors?

Thanks,
Ken

[Jamey]

You might also add-
E) blade surface area
F) thickness of the blades
G) sharpness of the leading edge.

[Chilli]

Pitch, blade profile, diameter, sharpeness of the blade.

Prop depth.

[dasboata]

Pitch, blade profile, diameter, sharpeness of the blade.

Prop depth.

what Chilli said !!

[Tamelesstgr]

So a 1.4 pitch should affect my hull less than say a 1.6 pitch?

[gearhd48]

Yes the less pitch, the less chance of TQ roll , but also some boats or the way they're set up, are more sensitive to pitch change than others.