Though a few notes on the Princeton Sailwing are in our forum, this topic thread hopes to focus on the Princeton Sailwing. Think 1948 and forward ....
Start:
Related paper presented in 1985
http://claesjohnson.blogspot.com/2012/0 ... lwing.html
Later in early 1970's Markowski had a go with using the Princeton Sailwing in a hang glider having a considerable boomed aft empennage; his deal was featured on the cover of a Scientific American issue. https://hghistory.org/hang-gliding-2/ha ... iamhg/#top
Some notes are on page: http://energykitesystems.net/Lift/2011/ ... rLIFT.html