radiomaster tx16s pot-mod

i made a mod for my radio and put the pots s1 and s2 on top of the sticks. i want to be able to control as many different servos on the sticks as possible, so i found this solution suited me well.
here is the stl. files for the pot holders and the attachment on the radio ( i made my attachment on the radio out of aluminum int the lathe in the end, but the printed ones work aswell.)
I wanted to change the pots and put a pair of ones that did not have the centre stop, therefor i had to find new ones. i asked radiomaster what kind of pots they used and they just said, -"you can use any 5k potentiometer, you can use 100k potentiometer, in fact, any potentiometer can be used".

however, this was not nessesary true. the first pair i bought from my electronics dealer was a pair of standard ones, still not the ceapest. these flickered terrible and also mage the front speaker make a terrible hissing noice for some reason.
I went back and bought a pair of a little bit more expensive o