hairline

It is probably just a natural flex point ? When we hauled for the MaxProp I noticed a hairline crack in the rudder at the lower end of the rudder post. The same hairline shows up on both sides of the rudder. I was too busy with the prop to do any further investigation but wonder if we...

I recently stripped a 10 layers of bottom paint from the foam rudder on my E32-2, and am noticing some fine hairline cracking. It's not deep but looks as though I should take some precautions before repainting. Any advice by someone who has done this job would be appreciated. ;)