Using a hand drill on the mast?

[wklein]

A quick tip when using a rivet gun and after you have checked it fits the hole is to put the rivet in the gun first and pull up to first bite without pulling the rivet up, if you put it in the mast first often the stalk goes in the mast and it will not grip, up a mast is even more important to get that first grip, if the stalk does go in you would need a thin screwdriver to hold the stalk while pulling up the rivet, hard to do on land let alone up in the air!

The other very important thing to remember with solid deflectors is to put the halyard through it before riveting onto mast. If i had a penny...