Ram-Wing and Channel-Flow-Wing Craft

I am trying to compare various designs of small craft .I came a cross a new ram-wing small crafts and i would like to learn more about them, hence there is not much in bibliography. Have you any advice on how to approach the design study of such a boat;

 

Search for "ekranoplan"

 

Good Day Eleanor

Another search term is Wing in Ground Effect (WIG) Craft, (aka Wing in Surface Effect (WISE), or Wing-boat.

I know there are some threads on this forum

Also check out these links:
Antonov, Vladimir; WING-IN-GROUND-EFFECT (WIG) AIRCRAFT; Retrieved from http://www.geocities.com/CapeCanaveral/Hangar/4346/S90.htm

http://www.sentex.net/~sxing/wig/wig.htm

http://www.mh-aerotools.de/airfoils/jf_wig.htm

http://www.navy.mil/search/display.asp?story_id=31245

http://www.se-technology.com/wig/html/main.php?open=aero&code=0

http://www.sergib.agava.ru/russia/beriev/be/2500/be2500_e.htm

http://www.wigetworks.com/index.html

http://www.ndu.edu/library/ic6/95-S12.pdf

Rousseau, David G.; 19820830; Leading edge augmentor wing-in-ground effect vehicle, United States Patent 4442986; Retrieved from http://www.freepatentsonline.com/4442986.html

Rozhdestvensky, Kirill V.; Wing-in-ground effect vehicles; Elsevier Ltd; 2006; Retrieved from http://www.sciencedirect.com/scienc...serid=10&md5=aed283c3c49926f827faeba9a15540ad