Gaz don't cut corners for an extra few quid get a 100psi.like anything if you have more power than you need you rarely use it to its max so it never has to strain to keep up with the demand made on it..I'm acrose your way again on the 16th Nov (another course) I'll bring the van acoss and let you have a playAlan
OOH Alan you are going to let me have a play with your pole