Uploaded July 2011 | Updated September 2026, 16 hours ago
Here is a Cox QZ (Quiet Zone) .049 engine. It was built from spare parts. I figured I would call it a QZ since I used a original #6 cylinder and a muffler. It probably could have used a little more adjusting but this was just its 2nd run. The video gets clearer at 1:00, this was recorded on my "My Touch G4" Android phone.
Check out my REAL QZ: sites.google.com/site/coxenginecollection/quiet-zone
Check out the forum: coxenginecollection.forumakers.com
Here is a Cox QZ (Quiet Zone) .049 engine. It was built from spare parts. I figured I would call it a QZ since I used a original #6 cylinder and a muffler. It probably could have used a little more adjusting but this was just its 2nd run. The video gets clearer at 1:00, this was recorded on my "My Touch G4" Android phone.
Check out my REAL QZ: sites.google.com/site/coxenginecollection/quiet-zone
Check out the forum: coxenginecollection.forumakers.com










