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Helicopters don't just have 3 blades. It depends on the size and Weightlifting capability. Small helicopters such as a Robinson R22 have only 2 blades, the military Merlin has 5 and the Chinook has two rotors with usually 3 blades each.
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What the background music song in black hawk down when they helicaptor shhot on car engine and catch someone?
yes
Do windmills have three or four blades?
Four
How many blades on a wind generator produce the fastest speed?
three if you look at any wind-generated power stations you will always see three blades.
What is the difference between fans with 3 and 4 blades?
nothing a fan with three blades is just weaker and smaller than a fan with four blades! <3
What is the ideal number of blades on the wind turbines?
Three
Why are wind turbines three bladed when more blades should catch more wind?
the reason there is only three blades is because four blades would add weight and wind resistance, in some countries they use two or four bladed turbines though. \
How many number of blades are there on a wind turbine or windmill?
there is three or four
What size blade is on a 325 John Deere?
The regular deck on a 325 is 48" with three blades (You can only buy blades in sets of three from John Deere.) The standard blade is 16.6 inches in length.
Why do fans have 3 wings?
An electrical fan can have two, three or four blades. The main thing is that the number of blades must be balanced to avoid juddering.
How often do you sharpen your mower blades?
Probably every two to three years.
How do you change the wiper blades on a 1992 Chevy pickup three-quarter ton?
There are several different blades, Go to the parts store and most will show you how to replace them
What is used for fencing?
There are three types of blades [swords] one is foil, sabre, and epee
