My local Muffler shop has the coolest employees. As soon as I walk in, I hear, "what's up airplane man!" and I get work done for free. :) This time I had them cut off a 4" section of 2" SS tubing for me. Took all of 30 seconds. I could have painfully made a 2" round duct but screw that. SS will offer the best rigidity for long term use. I cleared out all the yellow foam and carbon on the interior and used a hole saw to cut a 2" hole in the inlet foam. I then mixed up some wet flox and buried the 4" tube inside it at an angle that will be level with the relative wind flowing along the belly and especially at climb angles. After cure, I will be adding Z-Grip to the leading edge of the scoop and making a nice radius lip. Heck I might add some micro to the Z-Grip and make it even easier to sand. After that she is ready for flight testing, however I may go ahead with filler and primer work, because I have a feeling that when the oil temps drop, I won't want to stop flying for a while :)
