“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.
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.
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.
“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.
A flying club’s maintenance officer wants to upgrade one of the club’s airplane engines, claiming the engine is known for having “lots of reliability issues.” Another member of the club turned to our expert to get his advice on what’s really going on with the engine.
Question for Paul McBride, General Aviation News’ engines expert: I’ve noticed that if I reduce the throttle quickly I get a popping noise from the exhaust for a few seconds that then quits. A slow reduction in power to idle doesn’t cause it.
“I do not understand the the oil routing to allow the thermostatic valve, located in the filter adapter, to control the oil flow to or from the oil cooler, from ports not located on or near the thermostatic by pass valve.”
What is the best way to store an engine — whether it’s just for the winter or a much longer time as you finish your restoration project or homebuilt airplane? Here are several tips, covering both Continental and Lycoming engines.
I’m frustrated at this juncture simply because many are defaulting to the “just buy a new engine” solution while myself and others realize that doing so without determining exactly what the root cause of this issue is seems foolish and professionally and technically timid.