Thanks for the tips guys it's making interesting reading
How many batt packs is the norm to have on a race day? as im reading, (correct me if im wrong) that charging/looking after nimh packs is alot different to nicads from yester-year which i just seemed to quick charge after each race?
Also im thinking of purchasing a second hand S4 but the battery formation is alot different to the "norm" i understand that i would need to make up the cells myself but is there anyway that a lipo pack can be used in there?
Christ things have changed so much!