Question for Paul McBride, the General Aviation News engines expert: I have been maintaining a 1953 T-34 (Beech A45) with a Continental O-470-13 engine installed (original) for the last couple of years. The ownership group has been reporting a loss of propeller control after about 20 to 30 minutes into their flight, however it was happening intermittently and now it is happening almost every flight.
aviation engines
Ask Paul: What are these weird marks?
I recently bought a borescope and used it on my neighbor’s experimental Panther. I discovered these marks, which are really strange.
What should I do with an engine that’s making metal?
Our engines expert helps troubleshoot a Piper Pacer’s engine, which just starting making metal.
Airforms baffles approved for Cessna and Piper aircraft
FAA-PMA approval is for Cessna 172 G and H models, as well as Piper PA28R-180 aircraft.
Ask Paul: How can I improve my engine’s cruise oil pressure?
During my second test flight, I noticed cruise oil pressure at 55 PSI. As it has the longer housing regulator, I added three washers and replaced the check ball. The result was oil pressure at cruise around 65 PSI and 40 PSI at idle. It’s within spec, but I’d like some more room over minimums.
DeltaHawk launches hydrogen engine development program
“These tests have demonstrated DeltaHawk’s highly adaptable engine architecture is suitable for hydrogen fuel, and that the company’s patented engine design has applications in a variety of markets in addition to aviation, including zero emission vehicles (ZEV), other commercial power applications, and multiple defense platforms,” company officials said in a press release.
Ask Paul: One and done
I’ve recently been experiencing a starting problem with my Mooney 201. The first start of the day is typical. However, after the first flight, it most likely will not fire.
Testing continues on DeltaHawk engine
With FAA type certification of its new DHK180 piston engine complete, DeltaHawk Engines is moving towards production, with initial deliveries of customer engines planned for the first half of 2024, company officials reported on the opening day of EAA AirVenture Oshkosh 2023. One of the first aircraft expected to offer the engine as an option is the four-place model from Bearhawk Aircraft.
Continental testing vegetable oil as sustainable fuel for its engines
“Our extensive analysis has thus far demonstrated results that confirm our 4-cylinder Jet-A engines exhibit seamless performance equal to traditional Jet-A fuel,” said Dr. David Dörner, vice president of global research and development for Continental.