Hi all, I got to look at the Ercoupe today. The exhuast has been hitting the cowling on the front right of the exit pipe. There is definitely some fresh chattering on there. It is also vibrating up against the nose gear strut, and up against the crimps that stick out where the firewall is wrapped around the edge of the fuselage. Seperation is 1.25" between bottom of cowl and fuselage, .5" around exhaust pipe, and .25" around nose gear. This brings up something I noticed - it looks like there might be a nutplate there in the bottom of the fuselage just aft of the firewall, or maybe it is just a drain hole. If the bottom cowl is supposed to be attached right there then somebody before me put it on there and didn't realize it as there is no screw hole in the cowl piece. This would explain why the bottom cowl is so floppy and why it has worn a hole the size of a dime in the cowl on a couple of those crimps. Also, I have now tried coordinating the turns better and it does shake somewhat less so perhaps the rudder is vibrating too. Glen Ward
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