I splashed mine in 50 flights ( original orings ).
Can you plese tell mee the size of the orings wich are placed in microheli head for 250 -rex.
I coud measurit with the caliper, but if I em onest, noting left from mine orings
Hear is season started and I will try too get this oring hear localy ( in shop specialy for orings )
If someone have this information, I would bee werry hapy to share it with mee ( I ges the measurment is on assembly plane, but i have losted
with best wishes