I first saw the idea to use a fan on the Vans forum, Jim Stricker posted he was doing it on his -12. The concept is to use the fan to pull the hot air out of the cowl after the engine is shut down. […]
Fun Stuff
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Canopy Nut Caps
This project started when my wife snagged her sweater on one of the canopy bolts. I looked for ready made vinyl caps and was unsuccessful finding ones that looked right. It seemed like a lot of work to make my own but I like to […]
Airframe
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A Simple Vent Handle
To add a handle for better grip of the fresh air vents I drilled a 4mm hole and used two spark plug caps. These are the caps we remove from the Rotax NGK DCPR8E spark plugs. They have an internal 4 x .07 thread. Drill […]
Fun Stuff
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Lifting without getting a sore back
An easy way to solo lift the RV-12 to do wheel maintenance or put it on sawhorses is this Harbor Freight hydraulic table cart. It can lift 1000 pounds, the whole RV-12, although I wouldn’t suggest lifting the whole plane since there isn’t strong structure […]
Engine
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The Perfect End To A Cable
Twist welding cable I was always looking for a clean and permanent way to finish the ends of the throttle and choke cables. A short piece of heat shrink works but the end of the cable still gets frayed. Soldering sorta works but it will […]
Engine
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Adding A Second Oil Cooler
I live and fly a lot in So Cal where the summer temps hit 110f, I don’t let the temperature stop me from flying but the Rotax does complain, oil temps will hit 245f on days when the air temp is over 80f in a […]
Avionics
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Flap Overspeed Warning
On a rare occasion I would forget to raise the flaps after takeoff. Since the Dynon is set up for a flap warning I thought I would take advantage of that feature. Adding the micro switch is fairly simple, then wire one side to ground […]
Fun Stuff
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Ultimate Fuel Stick
My RV-12 is the early design with the fuel tank behind the co-pilot seat. Checking fuel level is very important and I do it before every flight. My original fuel measuring stick was a 5/16 wooden dowel extremely warped, (Home Depot stocks lots of the […]
Engine
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Thermostatis kit
I added the thernostasis to increase warm up times and help keep engine temperatures more consistent. There isn’t a lot to say about it, it does exactly what it is supposed to do. I live in Southern California, the weather hits 110f a few days […]