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.
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...
Homebuilt Accidents: Evaluating Engines
Statistics show traditional certified engines have the best reliability.
Buying Trouble-Purchased Homebuilt Accident Rates
Up to half the homebuilt fleet is owned by non-builders.
In Case You Missed It
SPOT, Checked
Navigation expert Langley R. Muir, Ph.D.s in-depth study of the SPOT Personal Tracker reveals its capabilities…and what you need to know to use it most effectively.
The Home Machinist, Part 9
If parts that don't quite fit are grinding you down, author Bob Fritz has a solution: Use a lathe to create a smooth finish on a precisely proportioned piece. While hes at it, hell demonstrate two ways to use the machines calipers to measure necessary offsets.