Doug Profiles I used were E836 got the non lift section. In the flapped lift section I have an E836 blended to a E817 alternating ripple....
So I think I have a foil design for a retractable C curved flapped foil. There are some interesting features in the design. 1) For the...
50.5 knots today, and SC foils are reported to be working. Good forecast for tomorrow so see what tomorrow brings. Brian
The first problem is to evaluate the building the mechanical flap structure. Leaving how to control and other solutions for another day....
markdrela I somewhat agree, however ( A-Class cats ) only allow the board to be top removable. there are a couple of other advantages of...
The tips seem flatter preflight than in flight. The wing has a nominal ~2.5m upwards deflection in flight, but that measurement is at the base of...
787 wing in flight My understanding... Is that the 787 wing is a blended structure. With variable stiffness. Attached is an in flight...
If you look at the Boeing wingtips vs Airbus See http://en.wikipedia.org/wiki/Wingtip_device Boeing are tending to use an upper surface...
The challenge is the implementation of flaps on a hydrofoil. This has been performed on foils of regular section T and V, but too our knowledge...
Starting a new tread for this so we are not mud-ing another one.
Going to pop a new thread. - Design of flaps on a curved foil. So it is obvious what we are up to. Though I firmly believe that lift foil...
Doug Greg Kettermans' paper is interesting, but there are some assumptions that I have never seen good answers to. For example there is an...
ok so taking the Rave as the example.... the rudder needs to be kept in the water to have lift and steerage. if the stern is too low the AA is...
Hi All I would like to add a use case for people to consider. On hydro foiling tri-s it is not uncommon to have the windward foil partially...
