1.   THEIR small engines sound like a squadron of amplified hornets and the planes are built from nothing more substantial than treated paper stretched over balsa wood.

2.   Harley-Davidson Inc. has applied for a trademark on its engine sound.

3.   He offers meatier discussions of wind shear and lightning, bumps and noises encountered while proceeding down the runway, engine sounds and the working parts of an aircraft.

4.   It will release less exhaust and be quieter while maintaining the characteristic Porsche engine sound, the company said.

5.   So quiet, in fact, that you pick up tire noise instead of engine sounds as you roll down the highway.

6.   That happened this year when his group released a study on Jet Skis showing that their engine sounds constitute noise pollution.

7.   The discomfort was exacerbated by the slightest change in engine sound.

8.   The Milwaukee motorcycle maker has applied for a trademark on its engine sound.

9.   All we heard was a real loud engine sound.

10.   Featuring Q sound technology, you can hear your engine sounds reverberating off a far wall or loser fires to your port or starboard.