How Do Hang Gliders Work?

Jennifer Boothroyd

ဇန် ၂၀၁၇ · Lerner · Intuitive က ဇာတ်ကြောင်းပြောပြထားသည်

ဤအော်ဒီယိုစာအုပ်အကြောင်း

Would you want to swoop through the air like a bird? Riding a hang glider is a fun way to fly. But a hang glider has no motor. How does the pilot take off? How does the hang glider stay in the air? Learn the answers in this book!