---------------------------------------------------------- KIS-List Digest Archive --- Total Messages Posted Tue 04/12/11: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 10:30 AM - Air struts (ALFRED ROSA) 2. 02:43 PM - Air struts () 3. 04:22 PM - TR-1 Spar Repair Choice (BlueSkyFlier) 4. 05:49 PM - Re: TR-1 Spar Repair Choice (Graham Brighton) 5. 06:50 PM - Re: TR-1 Spar Repair Choice (ALFRED ROSA) 6. 08:24 PM - Re: TR-1 Spar Repair Choice (Flyinisfun@aol.com) 7. 11:48 PM - Re: Air struts (Scott Stearns) ________________________________ Message 1 _____________________________________ Time: 10:30:24 AM PST US Subject: KIS-List: Air struts From: ALFRED ROSA My air struts for the Cruiser doors got lost in the move to Florida. I know that this was discussed before but I must confess to my ignorance of how to dig up past posts. Whats a good place to buy them and what type and size should I get? Al ________________________________ Message 2 _____________________________________ Time: 02:43:07 PM PST US From: Subject: KIS-List: Air struts 4/12/2011 Hello Al, You wrote: 1) ".... how to dig up past posts." Click on the navigator web page found at the bottom of each matronics list -- see here: http://www.matronics.com/Navigator?KIS-List Click on: http://www.matronics.com/search scroll to Select Archive: KIS Type your Search String of interest in the box and click on Begin Search. 2) "Whats a good place to buy them ......? I order mine by phone from Guden. See here: http://www.guden.com/control-GS5-dup.aspx 3) "....what type and size should I get?" The type I use is the standard black ones like these: http://www.guden.com/ItemDisplay/ItemDisplay.aspx?wpn=GS5&mtf=Standar dGS.txt&cmf=-%20please%20select%20- For length you have to measure your own desired door opening and closing situation. Some Cruiser builders favored the 35 PSI type and used two per door. Good luck, 'OC' Baker Says: "The best investment we can make is the time and effort to gather and understand knowledge." ======== From: ALFRED ROSA Sent: Tuesday, April 12, 2011 1:27 PM Subject: KIS-List: Air struts My air struts for the Cruiser doors got lost in the move to Florida. I know that this was discussed before but I must confess to my ignorance of how to dig up past posts. Whats a good place to buy them and what type and size should I get? Al ________________________________ Message 3 _____________________________________ Time: 04:22:07 PM PST US Subject: KIS-List: TR-1 Spar Repair Choice From: "BlueSkyFlier" As most of you know, my plane was damaged in a accident when taxiing in February. Having dropped the wing, we found the rear left spar/support strut broken on the wing side of the juction with the fuselage. Enough space there to implement a good and proper fix with alu sideplates added into the (on both sides of the plane) so no problem. The bigger issue is that the main spar has a compression fracture at top aft corner of the spar beam where it exits from the spar box on the left side. A photos of this is attached (with vernier calipers set to about one inch). Luckily it is on the top side. Question for Rich (or anyone else who has the knowledge) Do you perhaps have access to a drawing of spar construction or could you describe it in brief? Today I visited two composite material workshops which specialize in sailplane spar and wing construction and repair and have extended this knowhow to other composite aircraft as well. The owner of one of these enterprises has been building and repairing wings and spars since the seventies and it is evident that the repair my wing spar is a nothing out of the ordinary for them. In all those years they have never had a failure in a repaired spar and hey have the knowhow, methods and tools required for the job down pat. He was kind enough to 'walk' me through the process and equipment they would use. Pricey it is, yeah in the high four figures sterling. So now I have a dilemma. I can walk away and buy another plane for (say) 25 grand. Then I have a 2nd hand plane that I need to sort out from scratch. On the other hand I could apply that same 25 grand to completely repair and refurbish the current plane including zero-timed (SMOH) engine, new paint job and fixing all the niggles that I want sorted out (like rudder pedals, stress on rudder horn, location of main gear, electric flaps, etc.) Then I have an aircraft which is effectively refurbished to my standards and which I also know inside-out by the time the job is done. [Note: I have already decided that the time required to get the job done is not a factor in my equation.] So what you do in my shoes? (assuming that I buy back the salvage for a nominal sum, having already confirmed that competitive interest is effectively non-existent). I shall make up my own mind, dont worry just need different perspectives if you care to share. Regards, Alfred -------- _________________________________________ Read this topic online here: http://forums.matronics.com/viewtopic.php?p=336753#336753 Attachments: http://forums.matronics.com//files/tr_1_spar_damage_137.jpg ________________________________ Message 4 _____________________________________ Time: 05:49:34 PM PST US From: "Graham Brighton" Subject: Re: KIS-List: TR-1 Spar Repair Choice G'Day Again Alfred ... Here is my 2bobs worth .. A repaired Main spar aircraft will suffer a substantial asset value drop ..probably around the actual repair amount at least. So now there is two costs ..the repair cost and the asset depreciation cost .... So i wouldn't go the repair route .. However ...if u could find a TR1 kit or unfinished project ... well that would be whole different story .. Completion failures of Kit projects is said to but way high ...so a suitable wing, wink/kit is almost certainly out there ... probably be a world wide search .. If a spare parts search came up with nothing .. i would put the insurance payout in the pocket and walk away .. !! Luv to hear from Rick about any wing kit availability ...!!?? Graham TR1 #80 .. ----- Original Message ----- From: "BlueSkyFlier" Sent: Wednesday, April 13, 2011 9:20 AM Subject: KIS-List: TR-1 Spar Repair Choice > > > As most of you know, my plane was damaged in a accident when taxiing in > February. Having dropped the wing, we found the rear left spar/support > strut broken on the wing side of the juction with the fuselage. Enough > space there to implement a good and proper fix with alu sideplates added > into the (on both sides of the plane) so no problem. > > The bigger issue is that the main spar has a compression fracture at top > aft corner of the spar beam where it exits from the spar box on the left > side. A photos of this is attached (with vernier calipers set to about one > inch). Luckily it is on the top side. > > Question for Rich (or anyone else who has the knowledge) ?" Do you > perhaps have access to a drawing of spar construction or could you > describe it in brief? > > Today I visited two composite material workshops which specialize in > sailplane spar and wing construction and repair and have extended this > knowhow to other composite aircraft as well. The owner of one of these > enterprises has been building and repairing wings and spars since the > seventies and it is evident that the repair my wing spar is a nothing out > of the ordinary for them. In all those years they have never had a failure > in a repaired spar and hey have the knowhow, methods and tools required > for the job down pat. He was kind enough to 'walk' me through the process > and equipment they would use. Pricey it is, yeah ?" in the high four > figures sterling. > > So now I have a dilemma. I can walk away and buy another plane for (say) > 25 grand. Then I have a 2nd hand plane that I need to sort out from > scratch. On the other hand I could apply that same 25 grand to completely > repair and refurbish the current plane including zero-timed (SMOH) engine, > new paint job and fixing all the niggles that I want sorted out (like > rudder pedals, stress on rudder horn, location of main gear, electric > flaps, etc.) Then I have an aircraft which is effectively refurbished to > my standards and which I also know inside-out by the time the job is done. > [Note: I have already decided that the time required to get the job done > is not a factor in my equation.] > > So what you do in my shoes? (assuming that I buy back the salvage for a > nominal sum, having already confirmed that competitive interest is > effectively non-existent). I shall make up my own mind, don?Tt worry ?" > just need different perspectives if you care to share. > > Regards, > Alfred > > -------- > _________________________________________ > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=336753#336753 > > > Attachments: > > http://forums.matronics.com//files/tr_1_spar_damage_137.jpg > > > ________________________________ Message 5 _____________________________________ Time: 06:50:11 PM PST US Subject: Re: KIS-List: TR-1 Spar Repair Choice From: ALFRED ROSA I don't think 25 grand can buy you much of a plane. I would fix my own. Al On Tue, Apr 12, 2011 at 7:20 PM, BlueSkyFlier w rote: m > > > > As most of you know, my plane was damaged in a accident when taxiing in > February. Having dropped the wing, we found the rear left spar/support st rut > broken on the wing side of the juction with the fuselage. Enough space > there to implement a good and proper fix with alu sideplates added into t he > (on both sides of the plane) so no problem. > > The bigger issue is that the main spar has a compression fracture at top > aft corner of the spar beam where it exits from the spar box on the left > side. A photos of this is attached (with vernier calipers set to about on e > inch). Luckily it is on the top side. > > Question for Rich (or anyone else who has the knowledge) ' Do you perha ps > have access to a drawing of spar construction or could you describe it in > brief? > > Today I visited two composite material workshops which specialize in > sailplane spar and wing construction and repair and have extended this > knowhow to other composite aircraft as well. The owner of one of these > enterprises has been building and repairing wings and spars since the > seventies and it is evident that the repair my wing spar is a nothing out of > the ordinary for them. In all those years they have never had a failure i n a > repaired spar and hey have the knowhow, methods and tools required for th e > job down pat. He was kind enough to 'walk' me through the process and > equipment they would use. Pricey it is, yeah ' in the high four figures > sterling. > > So now I have a dilemma. I can walk away and buy another plane for (say) 25 > grand. Then I have a 2nd hand plane that I need to sort out from scratch. > On the other hand I could apply that same 25 grand to completely repair and > refurbish the current plane including zero-timed (SMOH) engine, new paint > job and fixing all the niggles that I want sorted out (like rudder pedals , > stress on rudder horn, location of main gear, electric flaps, etc.) Then I > have an aircraft which is effectively refurbished to my standards and whi ch > I also know inside-out by the time the job is done. [Note: I have already > decided that the time required to get the job done is not a factor in my > equation.] > > So what you do in my shoes? (assuming that I buy back the salvage for a > nominal sum, having already confirmed that competitive interest is > effectively non-existent). I shall make up my own mind, don=92t worry ' just > need different perspectives if you care to share. > > Regards, > Alfred > > -------- > _________________________________________ > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=336753#336753 > > > Attachments: > > http://forums.matronics.com//files/tr_1_spar_damage_137.jpg > > =========== =========== =========== =========== > > ________________________________ Message 6 _____________________________________ Time: 08:24:07 PM PST US From: Flyinisfun@aol.com Subject: Re: KIS-List: TR-1 Spar Repair Choice This is Jesse Wright I will also give my 2 cents worth concerning how I would feel about fixing a fractured spar. Thinking about what Rich has cautioned us about over and over is, "Do not drill the carbon fiber in the spar or rail pieces. This is also concerning even drilling the tips, outboard wing spar. This is because the carbon fiber runs as complete fiber from one end to the other. Any cutting of this fiber will let the fiber slip through and let a bending moment occur along the fiber. It seems to me a bruise toward the center would be much worse than at the wing tips. Remember, "Don't drill this fiber, even on the wing tip for tie downs eyes. I have hit turbulence that I have hit my head on the roof before I could get it slowed down. It was so severe that it stung my neck. I would live in freight to think what this might bring, I could never put all my weight down. Ha. If Rich might have a spar laying around, left over from his kits, you might think about ripping of the skins and replacing the spar. This would depend on how well you sanded and bonded the skins on. Maybe he might know where skins and spars might be. I'm sorry for your loss but I hope never to hear of a greater loss. ________________________________ Message 7 _____________________________________ Time: 11:48:15 PM PST US From: Scott Stearns Subject: Re: KIS-List: Air struts McMaster Carr has a good selection.- If you get a strut with too high a f orce it will distort the door when closed.- I'd look for one about 18" lo ng and about 30 pounds of force.- I'd buy one and mess with it and see if the force and length workout.- - Scott --- On Tue, 4/12/11, ALFRED ROSA wrote: From: ALFRED ROSA Subject: KIS-List: Air struts My air struts for the Cruiser doors got lost in the move to Florida. -I k now that this was discussed before -but I must confess to my ignorance of how to dig up past-posts. -Wha ts a good place to buy them and- what type and size should I get? Al ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message kis-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/KIS-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/kis-list Browse Digests http://www.matronics.com/digest/kis-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.