Never say die !!!! But I don't think actually think there's much more you can do to improve the machine ,, maybe a different coil configuration DD,,elliptical theres been a few irate discussions on forums in the UK re the 11 inch coil ,with buyers saying how marvellous it was, but they paid a lot of money for the coil , the coil range size is now is 9 -11-13 in physics it really is not a significant gap .
The argument went on for a while,with nothing coming from the main suppliers/ agents in the UK,or XP in fact some detectorists were selling there nine inch coils to fund the purchase of the 11inch coil, eventually the main agents responded ,,for fear of being left with a shed load of thirteen inch coils !! This was after claims that the 11inch coil was deeper than the thirteen inch coil
It seems that thirteen inch coil is heavy and does not balance well on the shaft , which is correct as I have one ,and have
had a conversion made to keep it central to the shaft , and a definite improvement ,,the depth difference between the nine inch coil and the thirteen inch is minimal , but the ground coverage is obviously greater .
I use the nine inch coil much more than the thirteen inch , the machine was built around the 9 inch coil and works the best , still can't understand why they've introduced the eleven inch coil ,what's the advantage
