---------------------------------------------------------- TeamGrumman-List Digest Archive --- Total Messages Posted Tue 09/11/07: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 03:06 PM - Cowling Update. Horizontal braces (teamgrumman@aol.com) 2. 09:58 PM - Re: Cowling Update. Horizontal braces (James Courtney) ________________________________ Message 1 _____________________________________ Time: 03:06:29 PM PST US Subject: TeamGrumman-List: Cowling Update. Horizontal braces From: teamgrumman@aol.com Well folks, we're getting there. We met with the FAA last Friday. I'll need to do the carb heat rise test. I also need to do a dive test. I need to dive the plane to 220 mph. Should be an interesting flight test. We were going to use the DERs Mooney as a chase plane, but, the Tiger has a higher Vne. Weird huh. Now, we have to find another plane, and I have to pay the pilot to fly a chase plane during the dive. I have a stock Tiger instrumented and will be doing some flight tests tomorrow. One of the costs projected for the installation that I hadn't considered earlier is the cost of the baffles. They are turning out to be higher than I thought. The installation instructions are 29 pages so far. But, then, the FAA hasn't had a chance to look at them yet. $10,000+ and counting . . . . . I have also hired a structural engineer to come up with a fix for the horizontal braces. Unlike the current fix which just replaces the bent/cracked parts with the same parts, this is a whole new installation. I am also looking into a metal-to-metal bonding procedure that is more like the original structure and doesn't use fuel tank sealant as an adhesive. I'm going for an STC for a permanent fix, just in case I need to fix my plane some day. $4000+ and counting . . . . . Gary AuCountry Aviation (in Beautiful) Auburn, CA ________________________________________________________________________ Email and AIM finally together. You've gotta check out free AOL Mail! - http://mail.aol.com ________________________________ Message 2 _____________________________________ Time: 09:58:54 PM PST US From: "James Courtney" Subject: RE: TeamGrumman-List: Cowling Update. Horizontal braces Gary, what kind of schedule would you be on for the test flights? I might be able to chase you a few times depending on when. I'm having some work done to my plane later this month/early October but after that maybe? If the amount of time you need is modest I'm probably available at little to no cost too:) My Vne is 204 kt. which I'd think would do it. Vno is 166 and Va is 140 FWIW. Glad to hear progress is being made. Jamey -----Original Message----- From: owner-teamgrumman-list-server@matronics.com [mailto:owner-teamgrumman-list-server@matronics.com] On Behalf Of teamgrumman@aol.com Sent: Tuesday, September 11, 2007 3:05 PM Subject: TeamGrumman-List: Cowling Update. Horizontal braces Well folks, we're getting there. We met with the FAA last Friday. I'll need to do the carb heat rise test. I also need to do a dive test. I need to dive the plane to 220 mph. Should be an interesting flight test. We were going to use the DERs Mooney as a chase plane, but, the Tiger has a higher Vne. Weird huh. Now, we have to find another plane, and I have to pay the pilot to fly a chase plane during the dive. I have a stock Tiger instrumented and will be doing some flight tests tomorrow. One of the costs projected for the installation that I hadn't considered earlier is the cost of the baffles. They are turning out to be higher than I thought. The installation instructions are 29 pages so far. But, then, the FAA hasn't had a chance to look at them yet. $10,000+ and counting . . . . . I have also hired a structural engineer to come up with a fix for the horizontal braces. Unlike the current fix which just replaces the bent/cracked parts with the same parts, this is a whole new installation. I am also looking into a metal-to-metal bonding procedure that is more like the original structure and doesn't use fuel tank sealant as an adhesive. I'm going for an STC for a permanent fix, just in case I need to fix my plane some day. $4000+ and counting . . . . . Gary AuCountry Aviation (in Beautiful) Auburn, CA ________________________________________________________________________ Email and AIM finally together. 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