With resemblance to the sound of an engine, this sound can be used with various different mechanical objects in mind. This sound was bounced into 24bit, 48hz, interleaved audio. This sound was synthesised using a digital synthesiser.
Recorded by my partner, who was out walking the dog, too close to the road again. I hear three motorcycles and a passing car. As usual, the guy with the smallest engine was working it the hardest.
Start up and ride off aboard a little honda crf250 with leo vince exhaust. This was recorded on a zoom h1 with home made external mics strapped to the outside of a backpack.