If surging has no effect upon the turns building up towards the top of the barrel, then it is likely that too many turns have been taken round the barrel.
Ukuba ukugaleleka ngamandla akunasiphumo ekujikweni kwezakhiwo malunga nomphezulu womphanda, ke kuqhelekile ukuba kubekho ukujikeka okuninzi okuthathiselwa ngokujikeleza umphanda.