Has anyone rebuilt a fan by making and fitting new blades? If so, I am requesting a bit of information on the ‘tricks-of-the-trade’. Namely, what size are the rivets; what is the proper way to swage them; what is the recommended blade thickness and grade of aluminium?
Also, I have a 16.5" dia fan (standard for the 2.5/3.5 is 15") which I think probably suits the 7/8/9 series but it seems it could fit behind a 3.5 radiator. Has anyone tried such an upgrade?
Any advice and stories of glee or woe appreciated.