Incorrect fan RPM 3.4RC1 - toolboard

jay_s_uk

I'm running this fan Sunon KDE0503PEBX-8 on a v1.1 toolboard as the hotend cooling fan.
these are the specs

Fan Manufacturer……………….. Sunon
Fan Model……………………… KDE0503PEBX-8, KD0503PEBX-8 
Size: Inches…………………….. 1.20. ” X 1.20″ X .236″
Size: Millimeters………………… 30mm x 30mm x 6mm
Voltage…………………………. 5 volts DC
Current………………………….. 0.18A
Watts…………………………… 0.90
RPM ……………………………… 9000
Flow CFM (Max)………………. 5.3
Noise (dBA)……………………. 29.0
Bearing Type………………….. Ball Bearing
Material-Venturi……………… UL94V-0 Plastic
Material-Propeller…………… UL94V-0 Plastic
Power Leads………………….. 3- 3″ wires
Life Expectancy-MTBF……… 50,000 Hours

The RPM is being reported as approximately double.

dc42

@jay_s_uk the new M950 K parameter when creating a fan should allow you to fix this.