Lovely work! But for anybody who wants to experiment with DLGs, please don't forget that aerofoil sections obtained from technical sources are very impressive on paper, but (almost) impossible to reproduce ACCURATELY [sic] in the real world. Epoxy resin and carbon and whatever will make them strong and light and beautiful, but they'll not be much like the coordinates or templates you spent so long plotting, cutting and perfecting. If the finished wings are not accurate to within a few microns, all the NASA or Drela performance data will be wildly inaccurate, too. So why go to so much trouble? A simple slim, flat-bottomed (gasp!) aerofoil will give excellent results and will be much, much easier to build. Combine this with variable camber and you will get fantastic results without having to work as hard as this talented gentleman. Out on the flying field, you'll still be able to hook thermals and scoot through patches of sink and penetrate back upwind. You'll barely notice the difference. Yes, honestly. Don't believe me? Try it, then! It's cheap, easy and fun! 🙂
Agree Elli, was wondering if there is a difference or not, I think if you are bagging there is not difference, total different thing if you make your wings with a mold. So, wich airfoild do you recomend?
wonderful job! I've just started a build like yours, thank you for all the help!!! Do you mount the wing parallelly to the boom? I am a bit confused with the shape of the bottom side.
The line from leading edge to trailing edge is the center line of the wing. It's better to mount wing at the attack angle of 0.5-1.5°. The angle depend on the airfoil, I think.
¿No le das Nada de TORSIÓN ni DIEDRO a las Alas? Yo las hice así, con CORCHO amarillo, Para un 4m Chino que me llego con las Alas ROTAS, por el Paquete y el Viaje. Lo mejor, después de tu Video, es Como las FORRE de Fibra, con muchas mechas de Fibra de Carbono (Como Largueros y Refuerzos Progresivos) para Rematar, Hice a escala, algo muy parecido, al avión real, con C ajeado para SERVOS y Accesorios (Aviso Electrónico, de Entrada en Perdida y Tubos Pitot) Todo funcionaba con la Telemetria. Recordar Dentro de estos Tipos de Foan o Corchos, Se PUEDEN Meter muchas COSAS, Incluidos los AeroFrenos SIEMPRE QUE NO TE PASES DEL PESO POR dm2. Por Cierto mi avión era un DG-808 Con Averiá de ALAS. Un Fuerte Abrazo y Buen Trabajo.
Hello ! The airfoil is Synergy ? or Synergy II ? where can I find the templates? do you have a video showing the cutting with hot wire ? thanks so much for this videos, your technike it´s very intelligent
It's SynergyII. You can download the templates from the website below. kousaku.biz/RC/wing_design.htm How to make templates. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HQKw9NgjFTY.html And cutting video below. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-5uLQ4N9q1_o.html
@@kousakunin2008 you are GOLD ! thank you very much, this Templates are AG 18 airfoil not Synergy II right ? do you think will work as the Synergy airfoil? thank you very much
@@kousakunin2008 Okey, thank you very much, will cut the templates, as they shown on the file they don´t get hook when the hot wire pass right ? I made one and that was a pain.... thanks
The airfoils I use are below Ah84 (Wing code 180) AG18-19(Wing code 160) SynargyII(Wing code 160) If you need templates, you can download my website below. kousaku.biz/RC/wing_design.htm (Ah84, AG18-19)
The core root code of this video is 146mm. The reason making it very narrow is to get high altitude for lunch. However, narrowing the cord has the disadvantage of not ensuring strength. Considering those things, I think that about 160 mm is appropriate. The route code of drawing posted on my website is also 160 mm.
