Morning Norm,
The AS makes it clear. 30 degrees fore and aft and 20 degrees lateral is the absolute limit.
The modern world increasingly requires that no machine can ever cause harm to anyone. And indeed, no harm can ever befall anyone ever and that the design of equipment and the law must do everything in its power to prevent people doing stupid things.
I'm a bit more old school. Be aware of your own limitations, the limitations of the machinery and act accordingly and ultimately be responsible for your own actions.
If the slope is too steep then a standard ride on is not an option and an alternative needs to be found. Bayboy will testify, I'm sure, that as an example the hills around Gympie, for example, make a ride on dangerous in many cases and simply should not used.
