Ron Wanttaja
Ron Wanttaja is a systems engineer, engaged in satellite orbit/constellation design and analysis, launch vehicle and onboard propulsion system trades, and operations concepts for space systems. He worked on the early design studies for the International Space Station.
Homebuilt Accidents: Passing the Engine Baton
How does the Rotax 912 compare to traditional engines used in small homebuilts?
Where Have All the Homebuilts Gone?
Thousands of E/A-B aircraft have been removed from the rolls, but most of them haven’t existed for decades.
Homebuilt Accidents: Fire!
Quite possibly, your eyes glazed over a bit when you saw the title of this article. Quite possibly, you’re poised to skim forward a...
In Case You Missed it
Unairworthy: Missing Safety Wire
Some bolts have drilled heads for a reason: They are supposed to be safety...
A Sign of the Zodiac (Part 6)
As the project is completed and is readied for its flight home, the author reflects on the challenges he overcame and the lessons he learned during the build; by Rick Lindstrom.
Cut the Can, Man
Inspecting your filter after an oil change is a good idea, but what tool is best for opening the can? Bob Fritz tests the gamut of oil filter cutters so that you don't have to.