Originally Posted by
Compass Call
I thought that jet engines with water injection had the water injected into the combustion chambers. This was to cool them to allow more fuel to be injected to increase the power output.
Turboprop engines with water-methanol injection had the water-methanol injected into the compressor to restore the power output.
If you make a mistake and use water-methanol on a pure jet engine you end up destroying the turbine blades, as happened to a BAC 1-11.
I don't recall a WaterMeth incident with a BAC1-11 but the PanInternational accident at Hamburg was caused by Jet A1 being added to the De-Min water tank.