Introduction to Glider Flight Physics and Maximizing Flight Distance

[@johnmurphy2831]

After watching your whole video catalogue so far, I can safely say that you've taught me more in 2 days than I learned in a whole undergrad aeronautics course

[@hifinsword]

Great information here. The only criticism I have would be a link to the next follow-on video would be nice in your COMMENTS section so we can follow your videos chronologically. Thanks.

[@jurgenhelgen212]

Spectacular tutorial ! 😊 Best regards from DK ! 🙋‍♂️ JH 🇩🇰

[@legomotion5693]

Please keep making videos and showing us designs!

[@mpadlite2925]

Thanks for taking the time and effort of making these videos and sharing your knowledge!! Best regards

[@redskyz483]

Great video. Perfect explanation.

[@SiddharthBhrmanakodu]

Hey man, I love the videos. I'm interested in designing and building my own model planes, and I have to say you've done a stellar job explaining. I have one question though: if I add a motor and servos, how do I make sure it can still fly? Anyway, thanks for the help and good luck

[@my_dear_friend_]

The items you add to an airframe make your airplane heavier, that's all. Potentially they also add more drag if mounted to the outside of the fuselage. Keep that in mind for the wingloading and move the items (in particular the heaviest ones) around until the center of gravity is where you need it to be and you should have a good chance for a successful first flight. Once it glides well it should fly ok under power.

[@DesignYourOwnAirplanes-xd6lz]

Here's an article from FliteTest that talks about things to consider when choosing motors and propellers: www.flitetest.com/articles/easy-aircraft-design Choosing a good propulsion system is definitely important, I've had several bad experiences with under-powered airplanes.

[@vitoschiraldi9762]

Another way to see it is: Given the weight, the lift required is basically set (for small angles of descents it's almost identical to weight in magnitude, and differs mostly in direction). To increase the distance traveled we need to reduce the angle of descent, i.e. how much the weight diverges from anti-lift. How much those two diverge is the thrust. Thrust is higher for steeper descent, because it's "how much gravity pulls the plane forward". But thrust and drag are equal in magnitude: so we need to reduce drag.

[@bileloun3657]

great video

[@SunilSundar]

If I want to calculate the lift and drag forces for these chuck gliders, what values should I assume for the velocity and Coefficient of lift? Thank you

[@DesignYourOwnAirplanes-xd6lz]

I often use XFLR5 to model plane designs and calculate speed and lift coefficients. It’s a free aerodynamics design software that’s available for PC and Mac.

[@FrotanInferno]

Hi can I ask if you are a university student?

[@DesignYourOwnAirplanes-xd6lz]

I'm a few years out of college.

[@user-cg2wt6zh4y]

when will part 4 release

[@DesignYourOwnAirplanes-xd6lz]

I’m working on it now, it will release very soon. I had to take some time off from the channel to finish another project, but videos will resume shortly.

[@ricardomv6274]

Amazing