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SUCCESS!! The issue appears to be that the OP relief valve springs had worn out. I ordered new plungers/springs, and when I compared the original springs that I took out, to the new springs, the new ones were nearly an inch longer! So the old springs had lost enough strength to hold the plungers aga...

Mike, I've replaced the VDO sender to cure that symptom. Vibrations seem to make them go "sticky". I posted the other week about difficulties finding stock on the VDO 360-001 sender - which has the M10x1 thread for the case. But I did just find some at JBugs this week. You can also use a ...

Keith Macht emailed me and posited: "The only idea I had that you might not have checked is to make sure your oil pickup tube is still secure to the case. It sounds like the oil system is maybe getting air in somehow. It is just one nut holding the pickup tube in place and the other side is jus...

I could use some collective brain power for my AeroVee. Several weeks ago I suddenly, on one flight, began getting fluctuating oil pressure readings. Normally I run around 48 psi or so. I was getting readings that would stay up in the 40's, then suddenly drop to the low 20's. Then up into the 30's, ...

Monday, 7/25: Anyone want to meet up for dinner?

My ONEX with AErovee and Aerocarb does exactly what Brock says......stumbles ONCE on takeoff only if the throttle is pushed in fairly rapidly. Does not do it with slow throttle advance and the stumble is very brief. So I just push the throttle in slowly. End of problem. Only happens to me on very, ...

45-50 lbs, for the last 8 years. Low pressure tires have, in the past, spun on the rims and torn off the stem.

The Prince comes up fairly often. What makes it better? Can anyone post the head-to-head numbers from the same airplane for the same loading and conditions? Has Sonex tested it? What is their input? I don't think Sonex cares what brand people use but they probably want the best performance for thei...

I originally had the ground adjustable Sensenich, and was extremely disappointed with its performance and it's poor use of extremely strippable hex bolts. I had a fixed pitch Sensenich (the one recommended by Sonex), but was disappointed by that one as well (better than the adjustable pitch, though)...

I had a prop strike years ago on Nantucket Island, a towered airport, while taxiing to parking. Even though it's not a reportable incident, I had to talk to the people in the tower and fill out paperwork. I got a letter from the FAA that they were investigating and wanted to talk to me. I had to go ...

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Re: Wildly Fluctuating Oil Pressure

Re: Wildly Fluctuating Oil Pressure

Re: Wildly Fluctuating Oil Pressure

Wildly Fluctuating Oil Pressure

Re: AirVenture 2022 Thread

Re: RevMaster: rough on take off only

Re: Tire Pressure

Re: Which Propeller?

Re: Which Propeller?

Re: Handful of crosswind