Originally Posted by
Brian Sorrell
I think it's clear from the picture that the drop outs are horizontal -- they just aren't very deep. That might make it tricky to tension the chain, but there are ways around it, including tensioners and filing out the drop outs to make them deeper (keeping enough material to retain strength of course).
A half-link in this case would be her best practical solution. My recent fixed/singlespeed conversion required the use of a half-link due to the somewhat short horizontal dropouts.