John Gunn uses a hand starter to test a propellor engine for a control-line airplane Tuesday at Spring Lake Park in Texarkana, Texas. Gunn has been flying control-line planes as a hobby since he was 15. "It's like ice skating in the sky," he said.
Engine Test
April 19, 2017 at 3:30 a.m. | Updated April 19, 2017 at 3:30 a.m.