Original Posted By: "Greg Cardinal"
In a recent post to Corky, Jack Phillips said that he centered his controls, then made up his cables with the turnbuckles at mid travel for later adjustment. This brings up a question that I have had for a long time and haven't found the answer to in any of my reading stuff. I'm very close to starting on my control cables so I need to know. I've seen several times, people stating that no more than three treads should be showing on a turnbuckle after final adjustment but they have always been refering to standing rigging ( cabane strut cross cables, lift strut cross cables etc.) The question is does the three tread rule only apply to standing rigging and not control cables?? I've often wondered how the heck you're supposed to get control cables measured up that accurately. Is there a different ruling for the turnbuckles in control cables?? thanks. Ed G.________________________________________________________________________________Date: Fri, 04 May 2001 08:13:09 -0600
Pietenpol-List: turnbuckles??
RE: Pietenpol-List: turnbuckles??
Original Posted By: "William C. Beerman"
Re: Pietenpol-List: turnbuckles??
Original Posted By: Michael D Cuy
Subject: Re: Pietenpol-List: turnbuckles??Sorry, but I can't let this opportunity to get away without my personal input. On the 3 thread rule, I imagine this was dreamed up by some idiot bureaucrat trying to look busy on Friday afternoon so he could CHA and justify his pay. How much strength is there in a TB with NO threads exposed in relation to one with 1, 2, 3, 4, or even 5 threads exposed. Those are the figures I'd like to know. Have those yankee bureaurs ever got off their posterial anatomies and run a few tests? Maybe so but with the questions coming from the field I doubt it. Can any of you imagine enough tension being applied to an elevator control cable under any abnormal flying conditions in a Pietenpol as to strip the turnbuckle threads with at least one turn inside the barrel. Let's get real on this building business. I don't think some of those YWB's have ever created anything in their lives outside of more problems for the rest of us who are having fun with our hobby in a very safe manner. REMEMBER we are the ones who will be up there. I get so damn sick and tired of these so called officials telling me what ICAN'T do and never saying what I can do. I wonder what BHP would have said and done in '29 if the hordes of Washington had been on his a-- as they seem to be on ours.OK I'm through. I must be feeling better from my surgery as my bride measures my health with my attitude toward Federal (yankee) employees. Don't anyone ever ask my opinion of our Postal ServiceCorky in La YWB= Yankee Washington Bureaucrats________________________________________________________________________________Date: Fri, 04 May 2001 10:14:30 -0400
Subject: Re: Pietenpol-List: turnbuckles??Sorry, but I can't let this opportunity to get away without my personal input. On the 3 thread rule, I imagine this was dreamed up by some idiot bureaucrat trying to look busy on Friday afternoon so he could CHA and justify his pay. How much strength is there in a TB with NO threads exposed in relation to one with 1, 2, 3, 4, or even 5 threads exposed. Those are the figures I'd like to know. Have those yankee bureaurs ever got off their posterial anatomies and run a few tests? Maybe so but with the questions coming from the field I doubt it. Can any of you imagine enough tension being applied to an elevator control cable under any abnormal flying conditions in a Pietenpol as to strip the turnbuckle threads with at least one turn inside the barrel. Let's get real on this building business. I don't think some of those YWB's have ever created anything in their lives outside of more problems for the rest of us who are having fun with our hobby in a very safe manner. REMEMBER we are the ones who will be up there. I get so damn sick and tired of these so called officials telling me what ICAN'T do and never saying what I can do. I wonder what BHP would have said and done in '29 if the hordes of Washington had been on his a-- as they seem to be on ours.OK I'm through. I must be feeling better from my surgery as my bride measures my health with my attitude toward Federal (yankee) employees. Don't anyone ever ask my opinion of our Postal ServiceCorky in La YWB= Yankee Washington Bureaucrats________________________________________________________________________________Date: Fri, 04 May 2001 10:14:30 -0400
Re: Pietenpol-List: turnbuckles??
Original Posted By: "Ed Grentzer"
05/04/2001 10:54:07 AMCorky,Also glad to hear you are feeling better. Gee, and I thought YWB meantsomething a little different, although I kinda figured "yankee" was stillpart of the acronym.Cheers from MUCH closer to the Potomac,Kip Gardner________________________________________________________________________________
05/04/2001 10:54:07 AMCorky,Also glad to hear you are feeling better. Gee, and I thought YWB meantsomething a little different, although I kinda figured "yankee" was stillpart of the acronym.Cheers from MUCH closer to the Potomac,Kip Gardner________________________________________________________________________________
Re: Pietenpol-List: turnbuckles??
Original Posted By: nle97(at)juno.com
Thanks Jack and Greg for the great turnbuckle info. Having never messed with a/c turnbuckles yet I assumed that they would bottom out when they were screwed in the number of turns of threads that were showing like sailboat or hardware turnbuckles do. From the sound of ita/c turnbuckles must be counter bored in the ends of the barrels.Thanks also for the layout info it doesn't sound all that difficult now! Corky I'm glad your back up to speed. That roto rooter operation didn't seem to slow you down for long!!! Take care and don't let them Federallies get to you! Have a great weekend and thanks again. Ed G.>From: Jack Phillips >Reply-To: pietenpol-list(at)matronics.com>To: pietenpol-list(at)matronics.com>Subject: RE: Pietenpol-List: turnbuckles??>Date: Fri, 4 May 2001 09:23:37 -0400 (EDT)>>>>Hi Ed,>>The 3-thread rule applies to control cables as well. The reason being that>the threads which are exposed are doing you no good whatsoever for >strength.>Control cables can carry several hundred pounds of load and all this is>transmitted through the threads of the turnbuckle.>>What I do is to thread my turnbuckles all the way in, then start unscrewing>them, counting the turns until I have three threads exposed. On AN130-16S>turnbuckles, which is what most of mine are, I invariably end up with about>20 turns from all the way in to 3 threads showing. I then screw them back>in half that many turns. Then I measure the cable run as accurately as I>can. For example, on the elevator cables, I clamped the elevators level>with the stabilizer and measured from the shackle on the walking beam to >the>hole in the elevator horns. Both sides should be exactly the same length>(or at least very close) if you have made your horns accurately and the >tail>is square with the fuselage. If there is a slight difference in length, >you>should use the average of the two lengths.>>I then put two screws part way into my workbench the exact distance >required>to match the measured distance from the walking beam to the elevator horn.>Be sure to account for any shackles or fittings involved. I usually put >the>workbench screw through the shackle so I know I have the correct length for>the cable assembly, including the shackle and turnbuckle. Once the screws>are in place, the cable can be built by hooking the thimbles or shackles>over the screws and pulling tight before crimping the nicopress fittings in>place.>>Since you have an accurate jig now (the screws in your workbench) it is >easy>to make a second cable assembly exactly the same length as the first. The>amount of travel left in the turnbuckles if you start with them in the>middle of their travel is about an inch either way and that should be >plenty>for any rigging changes required.>>I don't know if this is clear. If not, send me your e-mail address and I>will try to draw a picture.>>Good Luck,>>Jack Phillips>>________________________________________________________________________________Date: Fri, 4 May 2001 11:17:15 -0500Subject: Re: Pietenpol-List: turnbuckles??
Thanks Jack and Greg for the great turnbuckle info. Having never messed with a/c turnbuckles yet I assumed that they would bottom out when they were screwed in the number of turns of threads that were showing like sailboat or hardware turnbuckles do. From the sound of ita/c turnbuckles must be counter bored in the ends of the barrels.Thanks also for the layout info it doesn't sound all that difficult now! Corky I'm glad your back up to speed. That roto rooter operation didn't seem to slow you down for long!!! Take care and don't let them Federallies get to you! Have a great weekend and thanks again. Ed G.>From: Jack Phillips >Reply-To: pietenpol-list(at)matronics.com>To: pietenpol-list(at)matronics.com>Subject: RE: Pietenpol-List: turnbuckles??>Date: Fri, 4 May 2001 09:23:37 -0400 (EDT)>>>>Hi Ed,>>The 3-thread rule applies to control cables as well. The reason being that>the threads which are exposed are doing you no good whatsoever for >strength.>Control cables can carry several hundred pounds of load and all this is>transmitted through the threads of the turnbuckle.>>What I do is to thread my turnbuckles all the way in, then start unscrewing>them, counting the turns until I have three threads exposed. On AN130-16S>turnbuckles, which is what most of mine are, I invariably end up with about>20 turns from all the way in to 3 threads showing. I then screw them back>in half that many turns. Then I measure the cable run as accurately as I>can. For example, on the elevator cables, I clamped the elevators level>with the stabilizer and measured from the shackle on the walking beam to >the>hole in the elevator horns. Both sides should be exactly the same length>(or at least very close) if you have made your horns accurately and the >tail>is square with the fuselage. If there is a slight difference in length, >you>should use the average of the two lengths.>>I then put two screws part way into my workbench the exact distance >required>to match the measured distance from the walking beam to the elevator horn.>Be sure to account for any shackles or fittings involved. I usually put >the>workbench screw through the shackle so I know I have the correct length for>the cable assembly, including the shackle and turnbuckle. Once the screws>are in place, the cable can be built by hooking the thimbles or shackles>over the screws and pulling tight before crimping the nicopress fittings in>place.>>Since you have an accurate jig now (the screws in your workbench) it is >easy>to make a second cable assembly exactly the same length as the first. The>amount of travel left in the turnbuckles if you start with them in the>middle of their travel is about an inch either way and that should be >plenty>for any rigging changes required.>>I don't know if this is clear. If not, send me your e-mail address and I>will try to draw a picture.>>Good Luck,>>Jack Phillips>>________________________________________________________________________________Date: Fri, 4 May 2001 11:17:15 -0500Subject: Re: Pietenpol-List: turnbuckles??
Re: Pietenpol-List: turnbuckles??
Original Posted By: Ed Grentzer
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By: Greg Cardinal
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By:
Our email address has been changed to dsummers(at)clearsource.net.----- Original Message -----
Our email address has been changed to dsummers(at)clearsource.net.----- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By: Jack Phillips
Our internet service has been changed to dsummers(at)clearsource.net.----- Original Message -----
Our internet service has been changed to dsummers(at)clearsource.net.----- Original Message -----
Re: Pietenpol-List: Torch "pop"
Original Posted By: William C. Beerman
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Our email address has changed to dsummers(at)clearsource.net.----- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By: "Summers"
Summers,When I recieve all of your messages, there is no new text , only a recap ofthe subject of others. Are you hitting the right buttons?walt---------------------------------------------------------- Original Message -----
Summers,When I recieve all of your messages, there is no new text , only a recap ofthe subject of others. Are you hitting the right buttons?walt---------------------------------------------------------- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By:
---------------------------------------------------------- Original Message -----
---------------------------------------------------------- Original Message -----
Re: Pietenpol-List: turnbuckles??
Original Posted By: DonanClara(at)aol.com
Subject: Re: Pietenpol-List: turnbuckles??In a message dated 05/04/2001 9:04:59 AM Central Daylight Time, Isablcorky(at)aol.com writes:>________________________________________________________________________________
Subject: Re: Pietenpol-List: turnbuckles??In a message dated 05/04/2001 9:04:59 AM Central Daylight Time, Isablcorky(at)aol.com writes:>________________________________________________________________________________
Re: Pietenpol-List: turnbuckles??
Original Posted By: Isablcorky(at)aol.com
Subject: Re: Pietenpol-List: turnbuckles??I'll second that Mike.....Go get 'em Corky Love to hear an irascible 79 year old redneck curmudgeon givin'em what for !!!Don Hicks ( 77 & holding in Alabama)________________________________________________________________________________
Subject: Re: Pietenpol-List: turnbuckles??I'll second that Mike.....Go get 'em Corky Love to hear an irascible 79 year old redneck curmudgeon givin'em what for !!!Don Hicks ( 77 & holding in Alabama)________________________________________________________________________________