Hi everyone! Announcing Futuristic Engine Sounds: Deeticopter Vol. 1! Listen to the Audio Preview. This package including: 252 high-quality sound effects 12 kinds of deeticopters 60 loops of engine rpm sounds at idle, low, medium, high, very high rpm 48 acceleration sounds, 48 deceleration sounds. 96 transition sounds between engine rpm. Great for creating futuristic vehicles: spacecrafts, spaceships, futuristic helicopters and battleships, big quad copters and drones, flying cars and sci-fi vehicles and objects. Look for more information here - Futuristic Engine Sounds: Deeticopter Vol. 1 I will be happy to answer all your questions. Contact email - firstname.lastname@example.org. More sound packages for your projects on my Publisher page.