Originally Posted by
pavelpasiuk
will my frame support a solid axle?
The odds for that would be very, very good. In all probability you'll be able to buy an axle that has the same thread as your current one, making it possible for you to reuse all of the other bits in your current axle assembly. And the dropouts doesn't care if they're being squeezed between Q/R and locknut or nut and locknut.