Having three days of experience with building a Yost style SOF, I say go for it! Can't comment on the process of converting from a S&G (other than converting from another SOF with measurements from a drawing was easy), but the construction itself is definitely as straightforward and quick as it seems.

: My FIL is really pushing me to finish my Nieces boat that she has apparently
: lost interest in. Not real keen on finishing it for a couple of reason.
: Mainly I am not going to build her boat. I will help HER build it.

: He is wanting to go paddling really bad. He is up in age but healthy and I
: would like to get him a boat to do some paddling in. I have been
: fascinated with SOF for a while. The light weight and the speed of
: construction are big pluses! So I habe been thinking, since I am so will
: pleased with my boat I am wondering why it wouldn't be pretty simple to
: just convert it (or most any S&G design) to a Yost Style SOF?

: Before I jump into this I thought I would ask as I am sure other have done
: it. It looks fairly straight forward to me. But I have to wonder if I am
: missing something.