http://www.vortechonline.com/b1920/ (http://www.vortechonline.com/b1920/)
ultra-glider-drive : https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20001020&CC=FR&NR=2792258A1&KC=A1 (https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20001020&CC=FR&NR=2792258A1&KC=A1)
electric motor : 4 x 500 W e-motor gear-head ,but efficiency optimized ,instead 1 KWh only 250 Wh average power consume.
idem:
http://www.rqriley.com (http://www.rqriley.com) http://www.rqriley.com/hr.html (http://www.rqriley.com/hr.html) and http://www.rqriley.com/pegasus.html (http://www.rqriley.com/pegasus.html) hovercraft
submarine http://www.rqriley.com/aquasub.html (http://www.rqriley.com/aquasub.html)
Lippisch,Flare-boat/-ship
https://www.google.pt/search?q=lippisch+flare&client=opera&hs=qbk&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiysK_PxpbQAhWq54MKHaVEC8UQsAQIGw&biw=1366&bih=668 (https://www.google.pt/search?q=lippisch+flare&client=opera&hs=qbk&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiysK_PxpbQAhWq54MKHaVEC8UQsAQIGw&biw=1366&bih=668)
Glen-L house-boat plans http://www.glen-l.com/designs/house/house.html
http://www.butlerprojects.com