While waiting for a new engine, a reader wonders if he should worry about his existing engine, especially since he flies over open water a lot.
aircraft engines
Ask Paul: Why is my engine running rough?
The engine on our Piper PA-28-235 runs OK at 2,000 rpms but runs rough at 1,500 rpms. Any insight you can give us to the problem?
Ask Paul: Is this crazing normal?
Those little “cracks” are actually channels for the oil to travel through as it lubricates the cylinder walls.
Why is my engine backfiring?
Question for Paul McBride, the General Aviation News engines expert: I have an engine that will backfire between idle and 1200 rpm. It runs great after that with plenty of power.
French company introduces hybrid-electric engine for homebuilt aircraft
The HPU 210 hybrid power unit (HPU) is equipped with Kawasaki’s H2SX thermal engine, which provides maximum power of 150 kW, along with a 60-kW electric motor. In typical operation, the thermal engine delivers baseline propulsive power, while the electric motor kicks in during high-power demand situations, boosting power by 40%, resulting in shorter takeoff distances, enhanced obstacle clearance, and increased cruise speeds, according to company officials.
Tips to pickle an engine off the wing
What is the best way to preserve or “pickle” aircraft engines that are off the wing waiting for an airframe restoration or for a kit-built aircraft to be completed?
12 million hours and counting…
Introduced in 2020, Continental Aerospace Technologies’ line of Jet-A piston engines for general aviation has surpassed 12 million flight hours.
A little learning is a dangerous thing
What we have here is someone making an instructional video that has very little learning and, in fact, is very dangerous to pilots who tend to believe anything they see on the Internet.
Ask Paul: What should I do with an engine that hasn’t been flown in years?
Question for Paul McBride, the General Aviation News engines expert: I bought an airplane in the summer of 2022 and have not been able to pick it up yet due to a lot of work and a rusty pilot situation. I plan on picking up the aircraft, which has been sitting outside in New Hampshire, in May.









