The 912ULS has two carburetors each carburetor supplies fuel / air to only one side of the engine. If they don’t supply exactly equal mixtures then the engine will run rough. This is the reason we do carburetor balancing. I believed if the balance tube […]
Engine
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Carburetor Vent Line Reposition
The Bing 64 carburetors on the 912ULS use atmospheric pressure sensing to control a diaphragm that moves a needle within a jet to adjust for rich or lean. The vent tube that comes off the carburetor bowl needs to sense the same atmospheric pressure that […]
Airframe
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Repairing Worn Cowl Hinge
At around 500 flight hours I was getting wear on the cowl hinges, one of my end “eyes” had worn through and would no longer support the hinge pin. The thought of replacing the hinge, riveting and the associated painting was not appealing to me. […]
Airframe
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Spring Load Oil Door
I normally leave my oil door open for cooling, one day the wind blew it closed and I missed that it was not latched on the pre-flight. Just as I was lifting off the door started flapping, I had enough runway left and landed so […]
Fun Stuff
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Shade For The Cockpit
When parking in the sun the RV-12 can get pretty hot inside, the first few minutes getting back in is a dance to keep from getting burned on the hot interior. I found this spring type window shade on Amazon that fits perfectly, rolls up […]
Fun Stuff
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12 Volt Fuel Cart
When I bought the RV-12 I knew I wanted to use mogas as much as possible. Bringing it in to the airport wasn’t an issue but getting it into the plane with 5 gallon jugs shoulder height was going to get old really fast. I […]