Patrick1244
Member
Today I was flying my RV6A. I have a lycoming O360A1A with about 1060 hours on it. I also have a constant speed prop. About an hour into the flight I experienced significant engine vibration. I powered back and landed about 5 minutes later. I did power up for a few seconds while heading to the airport and again experienced significant vibration. I think the oil pressure was OK but honestly my focus was getting to the nearest airport.
Once on the ground I noticed that my spinner had made contact with the front of the cowling and put a gouge 1/2 inch wide and probably 1/4 inch deep. I also noticed a small amount of oil on the nosewheel. I pulled off the cowling and found a small amount of oil right behind the alternator belt. There was no other oil around the cylinders, back of the engine or firewall
I pulled the prop through and noticed that there seemed to be low compression on one of the compression strokes. Here are some of the questions I have?
Does this sound like a failed valve or cylinder?
What is the best way to confirm it is a failed valve or cylinder?
Any idea the cost of repair?
If one cylinder failed would you expect problems with the others?
Would you recommend a top overhaul verses just replacing a cylinder?
How much is a top overhaul
Any other ideas suggestions would be appreciated
If not a failed cylinder what else could it be and how would you check it?
Once on the ground I noticed that my spinner had made contact with the front of the cowling and put a gouge 1/2 inch wide and probably 1/4 inch deep. I also noticed a small amount of oil on the nosewheel. I pulled off the cowling and found a small amount of oil right behind the alternator belt. There was no other oil around the cylinders, back of the engine or firewall
I pulled the prop through and noticed that there seemed to be low compression on one of the compression strokes. Here are some of the questions I have?
Does this sound like a failed valve or cylinder?
What is the best way to confirm it is a failed valve or cylinder?
Any idea the cost of repair?
If one cylinder failed would you expect problems with the others?
Would you recommend a top overhaul verses just replacing a cylinder?
How much is a top overhaul
Any other ideas suggestions would be appreciated
If not a failed cylinder what else could it be and how would you check it?