Ratio of 50/50 Water-Methanol to be injected
 

From what I've read on here, it seems as though 15% is the general amount of water to be injected in relation to fuel flow. Should this percentage increase or decrease if I use a 50/50 Water-Methanol mix or should it just stay the same?

I know it will probably be difficult to give an exact percentage due to the number of variables to consider, but a ball park figure would be a good starting point.

Thanks in advance.

When concentration is up to 50/50, you should increase you jet size by a point to compensate the latent heat loss due the addition of methanol.

That's all.