The cost varies with the version due to the varying specifications, equipment and quantities. For example, the unit cost of the Army's UH-60L Black Hawk is $5.9 million while the unit cost of the Air Force MH-60G Pave Hawk is $10.2 million.
Radio controlled helicopters on average cost $50. One can purchase radio controlled helicopters from online retailers like eBay, Amazon, Model Zone and many more.
When they were first invented they were not for sell yet
I think they cost less, but I find that the execuheli are crap. I've tried other helicopters and they work WAY better than the execuheli who does not fly straight and is real hard to control. The one I find the best and that is easy to control and cheap is the LiteHawk.
I would think that around $40 is an average cost for rc scale helicopters. You can do a compare and contrast on these through the internet. They tell the best prices.
Remote controlled helicopters vary greatly in sophistication. As such, their prices vary greatly as well. Some are as cheap as $40 while others may cost $200.
the military Helicopters (5) have been flying non-stop for 3 days
It can how as much as 1-2 cobra helicopters.
No, Helicopters cannot fly in Stratosphere. It is too high for them. They do not produce that much lift. But they can fly in the Troposphere.
The cost varies with the version due to the varying specifications, equipment and quantities. For example, the unit cost of the Army's UH-60L Black Hawk is $5.9 million while the unit cost of the Air Force MH-60G Pave Hawk is $10.2 million.
I thought that a million pounds would satisfy my every need but then I realsied how much helicopters cost.
Depending on the type of Walkera RC helicopter one would wish to purchase it should cost around $200 to $240. Walkera RC helicopters can be purchased at stores like Amazon.
Helicopters are generally more dangerous than aeroplanes.