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Dual Blades 1.2

up/down——Increase or decrease propeller speed
Shift——Fast climb
Ctrl——Lowering height
1/2——Launching missiles
F/R——Launcher gun
（NUM 1235——Machine gun aiming
Y/H——Opening or closing the cockpit
======How to play======
1.How to hover：First, press the up key to increase the propeller speed to near the maximum，Then press shift to climb quickly，Finally, appropriately press down key to reduce propeller speed
2.How to land：Press down key to reduce propeller speed to low level
3.The missile will fly for three seconds
4.I made an inertial correction system for this helicopter.you can accurately aim at any ground target, or land at any position
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update 1.2
Fixed propeller collision issue