A reader has two questions for Paul McBride, the General Aviation News engines expert, about the Lycoming O-235-C1B engine in an amateur-built Wag-Areo Cub.
aircraft engines
Airforms now offers baffles for all Cessna 152s
The new baffles, which have undergone individual PMA approval, can be purchased as standalone units or as a complete set, according to officials with McFarlane Aviation, Airforms parent company.
Continental Jet-A piston engines achieve milestones, including increased TBR
Continental reports two milestones for its Jet-A piston engine series: The jet-fuel burning piston engine family has accumulated more than 10 million flight hours, while the CD-170 engine has received a Time Between Replacement (TBR) extension from 1,200 to 1,800 hours from the European Aviation Safety Agency (EASA).
What is causing vibration in Navajo Chieftain left engine?
When it comes to vibrations on a Piper Navajo Chieftain, there are several possibilities. From my experience, one of the most common causes is the engine mount rubbers have exceeded their useful life.
What are the advantages to a high compression conversion of my aircraft’s engine?
Reader Jeffrey A. Hughes asks our engines expert: What is the advantage to doing a high compression conversion to a Lycoming O-320 (from 150 hp to 160 hp)? I suppose the obvious answer is 10 more horsepower, but my natural inclination, given the name “high compression,” would be improved fuel economy. Are there other advantages?
Do multigrade oils increase valve sticking in piston airplane engines?
Recently an engine rebuilder called with a question I had not heard before. He asked if multigrade oils would increase the possibility of valve sticking in piston aircraft engines. My first response was “why would you think that?” Then I started to think through the mechanics of the problem.
Modern engines for a modern world
One of the reasons that GA has not grown is that flying today’s aircraft scares the hell out of young people.
A master class in how to winterize your airplane
There has always been controversy about how to best prepare general aviation aircraft engines for long-term storage, but from my viewpoint, you’ve covered all the bases and then some.
What causes exhaust valve recession in an engine?
There are several theories, but the one that makes the most sense to me is that the lead in avgas helps sealing and improves thermal heat transfer.