First Two Place Homebuilder Gyroplane – Hollmann HA-2M Sportster
YOU HAVE TO fly it to believe it From a distance, Martin Hollmann’s HA-2M Sportster gyroplane doesn’t look too much different from any other whirlybird….
Franklin Sport 4B
YOU HAVE TO fly it to believe it From a distance, Martin Hollmann’s HA-2M Sportster gyroplane doesn’t look too much different from any other whirlybird….