Steering worm and gear wheel

[weidner]

The spur gear would need angled teeth , as on a Fowler .

[steamy1]

Originally Posted by weidner

The spur gear would need angled teeth , as on a Fowler .

Not necessarily the worm could be set over at its helix angle.

[weidner]

Yes , but not on a conventional traction engine , where the plane of the steering shaft is at a right angle to that of the chain drum .