I'm pretty shure longfield makes a hub gear so you can use ifs hubs on a straight axle.
What?! Are you serious?? I need to look into this!! I have a set of auto lock hubs and I need to make a new inner hub gear to fit them.
But, then I discovered that in 1985 they DID make Autolocking hubs FOR a live axle! But its very hard to find them?