As for the single/dual axle argument, I'm not so certain I would want a 26'er with a single axle. We have a 24'er and I think if there was more length behind me in the mirror, I would like a second axle. Of course the second axle adds a couple hundred more pounds but it also distributes the weight on two more contact points with the road surface. Since the older trailers were so much lighter than newer ones, the mid '50 models had a single axle and seems to handle the weight of the trailer. Anything newer though, I personally would prefer a second axle.
Best of luck on the '62 and let us know the outcome. Glad to have another suffering the same disease. You'll be welcomed here and we're glad to have you join us.
Keeping the disease alive