Joined: Nov 2010
Posts: 6,035
Likes: 119
From: The Garden State
Bikes: 1917 Loomis, 1923 Rudge, 1930 Hercules Renown, 1947 Mclean, 1948 JA Holland, 1955 Hetchins, 1957 Carlton Flyer, 1962 Raleigh Sport, 1978&81 Raleigh Gomp GS', 2010 Raliegh Clubman
Confession time.
Sheldon's method uses a 2x4 and a chair/bench. Too complicated for this simpleton. I take the frame into the house when the wife is gone, lay it on the carpet, step on the DO and BB and pull up, turn it over and to the same. I use a straight edge and calipers to measure the movement. If you go too far, repeat the process but squeeze the stays. When your done just align the DO's and you're finished.
One note of caution, I always clamp the brake bridge to take stress of the joint.