With 10mm Pump, 4500rpm=4,9Volt=53mg/str
If you want drive 4,9Volt at 3000rpm, you can inject 69mg/str with 10mm Pump, but than you reach at 4500rpm 4,99 Volt
With 11mm Pump, 4500rpm=4,9Volt=60mg/str
If you want drive 4,9Volt at 3000rpm, you can inject 80mg/str with 11mm Pump, but than you...