Answer: The larger the wing, the more lift the airplane gets, as a general rule of thumb. When you have more lift, you can slow down and not waste as much gas. If you have more gas, you can fly some more.
Answer: The general term used for fuel aeroplanes use is Avgas (aviation gasoline). Other types include Mogas (automobile gasonlie) and Avtur (aviation kerosene).There are two common types of Avgas, these are 100/130 (coloured green) and 100Low Lead (LL - coloured blue). Avtur only comes in one state and is coloured a pale yellow.they now days use avgas 100 with low lead in the case to not spoli the earth
Answer: Anywhere from 70 MPH to upwards of 3 to 4 thousand MPH. An airplane is in development that is called a SCRAMJET that will be able to 7000 MPH. The fastest winged craft ever (not an airplane) was the Space Shuttle, which went 17,000 MPH.
Answer: paper aeroplanes flies in air because they less resist the air. For example- if you drop a heavy object and a paper from same height, the heavy object reaches first to ground and the paper will reach ground after the object. Similarly, paper plane flies for some time in air then it comes down.