From: wrjjrs@aol.com To: Rotary motors in aircraft Sent: Friday, July 25, 2008 12:39 PM Subject: [FlyRotary] Re: 13B--- N/A vs. Turbo engine buildup? Yvon,When an engine "is a dog" it means doesn't run well or has poor output for it's configuration. Fairly old slang.Bill Jepson