For those who want to use the original screws, you need a 2.0 mm tap (1.6 mm/0.063"#72 tap drill). If you want to make your own spacer, the clearance drill size is 2.05 mm/0.080" #46). Don
On Mar 3, 2012, at 9:06 AM, raisinone wrote: > Some of us look at the new Lionel U33c and see potential and opportunity; > others apparently do not... so be it... > > I've already figured out how to attach those roving pilots, Lionel made it > easy. Of course if you have never bothered to inspect the U33 you wouldn't > know that. It will take drilling 4 holes, nicely pre-located on the model, > and crafting an approximate 0.030" spacer.
