I think this design is a failed rip-off of the Sikorsky S-38! <img src="wink.gif" border="0">
<a href="http://www.sikorskyarchives.com/s-38.html" target="_blank">Sikorsky S-38</a>
And, <a href="http://www.scjcarnauba.com/plane.htm" target="_blank">here's one we prepared earlier!</a> <img src="smile.gif" border="0">
I wouldn't recommend attemting to operate your C-123 as an amphib (at least more tan one landing anyway)! <img src="wink.gif" border="0">