Van's Air Force

Working on my secondhand RV-9 kit I purchased last year. This might be a dumb question, but finishing up the fuel tanks and wondering if there's any issues with using the fuel level/sending units that are 22-ish years old? I mean, I'm pretty sure my 1964 Cherokee has the originals, but these have been sitting in a box for the past two decades. Maybe I'm overthinking it but just ...

When is it too cold to fly? I know it’s cold everywhere right now, but can it be too cold to fly? I ask this question because the last time I flew my RV6, about a week ago, my oil temp never got above 133*. My oil cooler (O-360) is mounted on the firewall fed through a 3” SCAT hose from the #4 cylinder baffle. I have a cockpit controlled butterfly valve that is fully closed from...

Engine: Lycoming IO-360-A1A (2010 vintage)

I have big difference (150 deg.) between my coolest and hottest (cyl. #1) EGTs when leaning to LOP. I can't really operate LOP on all cyls. with this big
of a difference. After reading a few posts here of folks trying to adjust the flows themselves with different sized jets, so I don't know if I
want to fool with this s...

Hey gang, plan to reseal a -8 tank using the method linked below and doing the full inside and 5 patches. How much sealant is likely needed for this job. Can't seem to find that estimate anywhere. I know it's ballpark, but I don't want to buy a ridiculous amount and waste the money! Thanks.

For those who have already installed the wing skins. How much fluting is needed on the nose ribs and did you flute the main rib at all on the top. I've completed both the Ailerons and Flaps and those nose ribs needed some serious fluting. The pics and notes people posted really helped on the Flaps and Ailerons. So far I've fluted all the wing nose ribs about 1/2 of what I did on...