Jeff, Your ship is looking good, and obviously your cats approve. The "ducting" you see at the air inlets of my 601 is made from plastic flower pots. They are split horizontally so each half stays with it's respective cowl half. My inlet holes in the cowl are 5 1/8" I.D., but this is reduced slightly to 5" by the ducts, which are 1 3\4" deep. They taper larger toward the engine. They are held in place by high density aerosol foam insulation. This method works, but is problematic. After installation I shaped and painted the foam (the plastic must be held rigidly in place during cure). The problem comes from the foam continuing to shrink and crack for the next year or more, requiring touch-up work. Perhaps there is a better material to use, though mine seems to be stable now. As you probably know, outlet area and configuration under the cowl is critically important. Be sure to use the big oil cooler recommended by William. If you would like any specific photos of my installation, let me know. I'm not an expert, but have a working installation after tweaking. The Corvair runs great, with good power.
Well Jeff, I can't find your page to see where comments like this are at. So, I don't know what it was a responce too. It was almost two months ago. I've slept since then. hahahaha Just disregard if you don't know what it is responding to. I do offer my services as a builder of 701s and as a Master & Gold Seal CFI, CFII, MEI, GI. and do Transition Training. So, if you need transition training or someone to help you build your plane, I may be the guy. I just finished up with a guy who came here from Swisserland. I'm taking him to the airport today.
I bought the laminator they sold simply because I didn't already own one. The main problem I ran in to was not being able to get the labels to transfer properly on to the clear Mylar. It turned out I wasn't putting enough of a stiatic charge in the Mylar. It takes a whole to master the technique but the end result is worth it. The text and lines are crisp and clear. It is very much like silk screening. The initial kit comes with plenty if foil colors to practice with. I ended up ordering more white to finish my panel simply because I messed up a lot during the learning phase. I'm even thinking of making my exterior labels with this system as well.
Custom instrument panels are now available directly from Zenith Aircraft Company exclusively for Zenith builders and owners. Pre-cut panel, power distribution panel, Approach Fast Stack harnesses, Dynon and Garmin avionics, and more.
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