Tag: Hatz Biplane
![The Hatz Biplane, NX71VH, re-engineered to be powered by a 124 hp radial engine. [Credit: Hatz Biplane Association]](https://www.kitplanes.com/wp-content/uploads/2026/09/Hatz-Bantam-Radial-124hp_1000004521-Topaz-Gigapixel-2x-scale.jpg?w=324&h=160&crop=1 "Airplane Almost No One Knows, Part One"){kind=tracking}
In Case You Missed It
What’s New
World Aircraft Company debuts the Vision LSA, and Velocity Aircraft introduces the V-Twin.
Aero ‘lectrics
Columnist Jim Weir has completed his solar-powered battery charger, and it works! It may not be the fastest charger, but it is certainly up to the task of keeping a battery topped off, even in winter.
Buzzwords
Ground effect, or changes in airflow when flying a wingspan distance above the ground, affects longitudinal stability, elevator effectiveness and possibly even your airspeed indicator. By Ed Kolano.