@CalamityBorn
So
A Full lashing isn’t something you can change
This is essentially what a lashing is:
A ) First, it applies a force equal opposite to gravity, cancelling it out.
B ) Second, it applies a force equal to gravity in the direction of the lashing.
However, you can use relative Lashings - given some positive number x, which would be the modifier (i.e. A half lashing would have a x of 0.5)
i) If x > 1, the magnitude of both forces is multiplied by b
ii) Otherwise, only the force defined by B would by multiplied by x.
That said, you can enact multiple Lashings on one thing - the only rule with this is that the forces defined in A will never add up to be more than gravity.
This, however, will be instinctual, so you do have direct control over this.
About duration…
My fist instinct is that they all have the same duration, because if you pump more investiture into it, it’s going to be going faster and therefore taking in more investiture. (This in itself is prolly not accurate - the values may not increase directly proportionally.)
However, it’s also gonna leak out at some rate - so it will depend also upon the rate of leakage - that rate might, in turn, depend on surface area, volume, and investiture.
The bottom line, however, is that it is too complicated to intuitively enact a given duration - with enough maths, you could do it, but otherwise, you’re stuck with intuitive magnitude.