RC Airplane Cube Wing Loading for Dummies!

Подписаться 10 тыс.

Просмотров 4,2 тыс.

50% 1

In this video I discuss what "Cube Wing Loading" means to me.
If you need a Cube Wing Loading calculator go here- www.flyrc.com/wing-load-calcul...
Here are some links that also help with understanding cube wing loading-
www.rccad2vr.com/aeronautics/...
www.theampeer.org/CWL/reynolds...

Опубликовано:

26 мар 2022

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист

Посмотреть позже

Комментарии : 22

@clarencegreen3071 2 года назад

I've been designing and building simple foam board models for only a couple of years and it was a game-changer for me when I found out about cubic wing loading. This video is the best I've seen for explaining how the CWL gives a far better indication of how a plane will behave than the simple wing loading. Thank you for making it. Another area I hope you will address is that of model aircraft stability. For example, how does the surface area of the horizontal and vertical stabilizers and tail moment (?) affect the stability? I've had my share of problems in this regard. Thanks again for your videos.

@dagtheaviator 2 года назад

I am working on a video that cover airfoil, incidence, and stability. :)

@anarpearls9785 2 года назад

Would highly appreciate if you could do a video on various methods to join wings with fuselage, specially for larger models. Thank you for continuing to create awesome content. No channel provides such education

@dagtheaviator 2 года назад

Great suggestion, and thanks! Rock ON!

@freezatron 2 года назад

Good video but I was hoping you might discuss the most important bit, the formula to calculate it :) Perhaps I'm more of a geek than most people, but you did include a link to an online calculator in the description so all good ! .. That said, I do find it useful to learn about the maths behind these things :) Anyhow, best wishes and thanks again :)

@dagtheaviator 2 года назад

I added a few links which may give you the answers your looking for. :)

@freezatron 2 года назад

@@dagtheaviator .. Thanks ever so much Damon :)

@dagtheaviator 2 года назад

@@freezatron Rock ON!

@freezatron 2 года назад

@@dagtheaviator ... just a moment, I'll get my guitar !! :D ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-REa8nc4eUbg.html

@williamcrane8236 2 года назад

Ya, I appreciate the real world numbers BUT never really got around to how they are calculated. And a quick run with mr google gives an RCcalc forumla of WCL = Takeoff weight / (wing area/144)^1.5 Ya, that's not muliplied by 1.5 its to the power of, like squared by but not, it's 1.5 instead. A y^x kinda thing. Okay, well you are dealing with Reynolds numbers and air molecules, which are constant, and wing sizes that although they are smaller at the same oz/in, air molecules are not. Did they just take a stab at it by looking at easy fliers compared to ground huggers, coalesced the data? Maybe. Certainly get enough examples in this video without the calculations AND maybe thats a good thing. Don't need to know HOW they came up with Pythagorean's theorem, just had to pass my Trig test with it. Gotta tell you how many times I used that bad boy in real life. 2, the number was 2 and I'll thank you to stay out of my personal business.

@R_Alexander029 9 месяцев назад

I think another important factor is the moment of inertia. You could have two planes with the same WCL and CG location but might fly differently depending on how the masses are distributed in the aircraft. Theoretically longer aircraft with high MoI are more stable.

@dagtheaviator 8 месяцев назад

Great point, I totally agree. Rock ON!

@andrewklug4845 9 месяцев назад

Dag your series is just great! When you measure the wing area used to calculate the cubic wing loading should you include the area of the fuselage and elevator or just the main wing? My impression is that you are just using the main wing area for the calculation.

@dagtheaviator 9 месяцев назад

Thanks! For me, it's just the wing.

@diesnerfamily6858 2 года назад

Maybe I'n misunderstanding you, but you say that the 40" span plane (your Sukoi example) has a wing area of 800 sq" and 10 lbs weight. That would require an average 20" inch cord to get 800sq" on a 40" span?

@dagtheaviator 2 года назад

Good catch. I messed something up. The math is right, the span is wrong! My mistake.

@diesnerfamily6858 2 года назад

@@dagtheaviator that's what I figured, that span is common for me so I know the common dimensions / weights well. Some of my racers that I have/building are in the 20 wcl area. Always wanted to build bigger to get that number down but that means a whole different electronics package.