Now the exceedingly popular and extraordinarily useful 11-part Build Your Skills: Metal Series is available as a single PDF. This must-have addition to your library was written by RV-7 builder Dan Checkoway and carefully illustrated for first-time metal-workers and old hands alike. Most everything you need to now, from material handling and cutting to deburring, drilling and riveting is in this series.
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Angle of Attack vs. Airspeed
Angle of attack indicators have been used by the military and airlines for years...