Victory!
Once again, I appreciate all the inputs from folks!
Today, after dropping Louise off at Hobby for her SWA flight back to DC, I thought that I remembered an aircraft sheet-metal fabrication shop over on the West side of the field. Since I was in no hurry, I drove around that side, and sure enough, there was "Flight Vehicle Inc". I knew they had done some sheet metal repairs for a friend of mine on his Cessna, so I walked into the office and asked the nice lady if they might have any Z-Channel.....in short order, I was out in the shop talking to Jack Treadway, the president of the company, told him what I was doing, and asked if he might be able to help out for a reasonable price.
Within 30 seconds, he had sketched a piece of Z with a 2" web and 1" flanges, 40" long, and walked over to one of his young workers..."Hey, stop what you're doing and make up one of these for this gentleman if you would."
Ten minutes later, the piece was in my hands, and I asked Jack what I owed him..."How about ten bucks?" was his reply, and I was on my way. It turns out that they have helped build a number of RV's, and have fabricated many parts for folks. What impressed me the most is that this is clearly not a retail business, yet here I walked in the door to ask for a minuscule part and they dropped what they were doing to make it for me while I waited!
A great place to go if you are in the Houston area! Located just northwest of the Tower - you can see it from Telephone road.
Paul