Recent content by TrenchMan

Those are pneumatic pipe plugs. When building or maintaining a waste water sewer system, it's sometimes necessary to "plug" the line. Those plugs are inserted into the line and filled w/ air. They look simple, but are highly engineered. The reason is that the water (sewage) in the line can...

I discovered this forum several years ago, shortly after I purchased my hangar (http://www.d-wx.com/hangar) at HBZ (Heber Springs AR). Hangar was dark, dirty and floor was badly stained. I wanted to learn more about floor coatings. I have since cleaned up the hangar and upgraded the lighting...