[Richard L]

On the HFS-3, you can re-scale the incoming IDC signal.

The simplest way to do this is by multiply the incoming IDC signal x2 and size the water jet flow by 50% of the recommended water/fuel ratio. This way, you don't need to use 3x 1mm nozzles.

recommended ratio:
100% water ................. 10 -15% to fuel
W50/M50 ................. 15 -20% to fuel
100% methanol ................. 20 -25% to fuel

modified ratio to match the large fuel injectors (1450cc/min x4):
100% water ................. 5 -7.5% to fuel (290-435cc/min)
W50/M50 ................. 7.5 -10% to fuel (435-580cc/min)
100% methanol ................. 10 - 12.5% to fuel (580cc - 725cc/min)

You can now pick your jets sizes according to the chart in the user manual. Add 10%.