Xclass specification
400KV
395g 
 Tempered steel removable  shaft. 
Replaceable no slip prop grip plate . 
Hollow 8mm Replaceable main shaft. 
Replaceable base plate. 
7075 aluminium bell / base plate. 
Open cage Ezo  19x8mm  bearings. 
Oil filled sump 
Unique half ahft design reduces the shaft length to 65% the length of other motors in this size class. 
Internal manual oil pump system 
Black coated stator compatible with Cryo spray . 
Bonding agents ( glue)  used have a working temp range between -65 and +235°c making the motor compatible with Cryo spray . 
12-14s 
220°C high temp single winding copper . 
Sh52 180°c high temp curved  magnets .
. 15mm stator laminates 
. 15mm air gap 
Custom synthetic nylon winding fence wound into stator.
ACPC designed bell 
Integrated oil seal on top shaft .
3 way  accessible wet sump , under the top shaft , oil sump plug in base and through removal of the base plate.