Unairworthy: Isolator Mount Problems
Rubber isolator mounts should not have a gap between them and the engine mount when properly torqued.
Low-Cost Spark Plug Ohm Tester
This handy tester is rugged enough to be stored in your tool tray with your other spark plug tools without fear of damage. It...
RV Quick Stick
I live in a pretty cool neighborhood, which happens to include a couple of locals who are building airplane projects in their garages. In...
Fuel Leak and Cracked Flare
A major fuel leak was discovered on this airplane not long after the first flight. The majority of the fuel in the tank leaked...
We Shall Be Led Into the Light
In 1850, British physicist Joseph Swan began experimenting with paper coated with carbon in a glass tube that was partially evacuated from air. His...
In Case You Missed it
Ask the DAR
Is an aircraft’s empty weight required on the data plate? Does the gross weight change when an LSA is converted from conventional landing gear to floats? Should engine maintenance be entered in the builder’s logbook? Does the Minimax still qualify as an ultralight?
Insurance And Training
Just because you built it, doesn't mean you're ready to fly it. By Scott Sky Smith.