Originally Posted by
Jipe
You can ask Gates.
I don't need to ask Gates - their document you linked to made it clear that tension is only required to prevent tooth skipping, a job the snubber wheel handles in this application.
Originally Posted by
Jipe
But with the tension recommended by Gates, the tension exists on the upper and lower sides of the belt, not only on the upper one.
Not when you're pedalling under load - the tension will be mostly on the upper side with very little (if any) on the lower side.