Thanks Arnie ..... those are very interesting articles!
...so glad you are one of us original
...and still a busy contributer to the pool of interesting flying stuff here! 
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| W.I.G. - Wing in Ground Effect - articles and documents http://skywolverines.com/viewtopic.php?f=2&t=3239 |
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| Author: | Arnie M. [ Sun Oct 25, 2015 4:44 pm ] |
| Post subject: | W.I.G. - Wing in Ground Effect - articles and documents |
. Thanks to Tim M. for starting this interesting topic here viewtopic.php?f=2&t=3227&start=0 I found my saved magazine articles and engineering PDF's on my old computer and will post the links here . |
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| Author: | Arnie M. [ Sun Oct 25, 2015 4:52 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. Wing in Ground Effect Craft Review The Sir Lawrence Wackett Centre for Aerospace Design Technology Royal Melbourne Institute of Technology Contract Report CR-9802 Aeronautical and Maritime Research Laboratory 87 pages PDF http://www.abbottaerospace.com/download ... Review.pdf . |
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| Author: | Arnie M. [ Sun Oct 25, 2015 4:59 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. 1994 Design of a wing section in ground effect : application to high speed ground transportation Christoph Hiemcke Iowa State University 369 pages PDF http://lib.dr.iastate.edu/cgi/viewconte ... ontext=rtd . |
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| Author: | Arnie M. [ Sun Oct 25, 2015 5:01 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. 1989 Popular Mechanics article https://books.google.ca/books?id=FeYDAA ... sh&f=false . |
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| Author: | Arnie M. [ Sun Oct 25, 2015 5:08 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. Excellent website Dr. Alexander Martin Lippisch The Grandfather of WIG https://sites.google.com/site/hoverwing ... d-articles . |
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| Author: | Arnie M. [ Sun Oct 25, 2015 5:14 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. Very good Airfish-8 article from 2010 Wordpress https://thelongnwindingroad.wordpress.c ... airfish-8/ . |
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| Author: | Dropbear [ Mon Oct 26, 2015 12:59 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
Thanks Arnie ..... those are very interesting articles! ...so glad you are one of us original ...and still a busy contributer to the pool of interesting flying stuff here!
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| Author: | RotoPlane [ Mon Oct 26, 2015 1:19 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
Boy.....that had to take some time to find and compile all that information.....thank you Arnie! |
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| Author: | farmer jim [ Mon Oct 26, 2015 5:30 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
Very impressive, Arnie !! Chris and I would like to invite you to our place if ISIS takes over Canadia !! (and don't bring more than 8000# of free DOPE !) fj. 
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| Author: | Gabor [ Mon Oct 26, 2015 5:57 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
Absolutely fantastic compilation. Thank you so much Arnie
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| Author: | Arnie M. [ Mon Oct 26, 2015 7:41 pm ] |
| Post subject: | Re: W.I.G. - Wing in Ground Effect - articles and documents |
. This video shows un-powered models skimming a smooth floor and remain stable ... great proof of concept Much the same as when a piece of paper falls off a desk it will float 1/16" above the floor to the other side of the room. The engineer then describes how the center of pressure keeps moving forward as the wing gets farther from the surface This requires a lifting surface (tail) to keep the nose down but also introduces a slight see-saw instability which can be managed nicely with elevator controls But oceans have waves so it must fly farther out of ground effect which moves the C.of.P forward , until it is counteracted by the tail , which brings it back closer to the surface , which causes the C.of.P to move backward and a self induced see-saw effect begins. The combination of machine-induced-oscillation , and pilot-induced-oscillation is the difficulty engineers have to overcome. If the water was glass smooth it would fly perfectly stable even without elevator controls as the video shows. . |
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