Big jets Millions to Billions of dollars. Small propeller planes 10,000 - 1 million.
As much as a pack of skitles and a hersheys.
Speed, altitude, and cost.
Airplanes are available from a few thousand dollars into many millions.
Most likely safety, comfort and cost effectiveness increases.
Radio controlled airplanes can vary in cost depending on how elaborate they are. They can range on the low end from $100.00 to over $1000.00 for the upper end ones. You can find all the options and pricing at http://www.towerhobbies.com/easyrc/airplanes/
$808,000,000 for Lisa Marie and $404,000,000 for Hound dog 2
Nothing, airplanes don't use petrol.
There are many different types of RC airplanes that are available for purchase. The cost of one varies depending on what type you want and the size of it.
A lot of work goes into each radio-controlled model airplanes. However, you can get a cheaper one for $25 or even less if you find one on Craigslist or at Goodwill.
All gliders are airplanes, but not all airplanes are gliders.
Yes, jets really are airplanes but they are faster airplanes.
airplanes are cool