Kolb-List Digest Archive

Tue 12/03/02


Total Messages Posted: 30



Today's Message Index:
----------------------
 
     1. 01:21 AM - Re: fuel shutoff valve (Vincehallam@aol.com)
     2. 07:18 AM - Re: Gascolators for auto fuel (Richard Pike)
     3. 07:20 AM - Re: Gascolators for auto fuel (Richard Pike)
     4. 09:38 AM - Lift Strut Vibrations (Leonard S.Voelker)
     5. 09:41 AM - safety pins (Erich_Weaver@URSCorp.com)
     6. 09:59 AM - Re: Prop length (Frank Reynen)
     7. 01:27 PM - Re: Lift Strut Vibrations (ul15rhb@juno.com)
     8. 01:37 PM - Re: Lift Strut Vibrations (SR3SA2L1@aol.com)
     9. 02:06 PM - Re: safety pins (ul15rhb@juno.com)
    10. 03:30 PM - Re: Lift Strut Vibrations (Tiffany Pitra)
    11. 03:38 PM - Re: Lift Strut Vibrations (Richard Pike)
    12. 04:16 PM - Re: spark plug wire spreader thingies (Paul Petty)
    13. 04:34 PM - Re: Lift Strut Vibrations (Bob Bean)
    14. 04:51 PM - Auto Parts (Paul Petty)
    15. 06:06 PM - Re: spark plug wire spreader thingies (ZepRep251@aol.com)
    16. 06:06 PM - Re: Auto Parts (woody)
    17. 06:21 PM - Re: Lift Strut Vibrations (ZepRep251@aol.com)
    18. 06:22 PM - making steep climbouts (b young)
    19. 06:23 PM - prop a 912 (b young)
    20. 06:26 PM - installing the H section (b young)
    21. 06:27 PM - Re: safety pins (ZepRep251@aol.com)
    22. 06:36 PM - Air flow and resonance (SGreenpg@aol.com)
    23. 07:16 PM - Re: Auto Parts (Richard Swiderski)
    24. 07:31 PM - Re: Lift Strut Vibrations (GeoR38@aol.com)
    25. 07:42 PM - Re: safety pins (GeoR38@aol.com)
    26. 08:40 PM - List of Contributors #1 - A Special Thank You... (Matt Dralle)
    27. 08:47 PM - Re: safety pins (ul15rhb@juno.com)
    28. 08:58 PM - Re: installing the H section (Larry Bourne)
    29. 09:30 PM - Re: safety pins (GeoR38@aol.com)
    30. 10:20 PM - those NAPA guys ()
 
 
 


Message 1


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    Time: 01:21:09 AM PST US
    From: Vincehallam@aol.com
    Subject: Re: fuel shutoff valve
    --> Kolb-List message posted by: Vincehallam@aol.com Im very old and not bold .You were very skilful and very lucky to turn back from 100 genuine feet and get in dead stick. We always used to say "land ahead "with a small turn to avoid the worst obstacles [look at the gap not the obstacle] I havnt flown a Kolb and would be glad to learn old kolbers opinions...but by gar you have to stuff the nose down quick to get some excess airspeed to do any sort of landing flare vnz


    Message 2


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    Time: 07:18:21 AM PST US
    From: Richard Pike <rwpike@preferred.com>
    Subject: Re: Gascolators for auto fuel
    --> Kolb-List message posted by: Richard Pike <rwpike@preferred.com> I have one of those gascolators on the J-6 I sold several years ago, it needed a new gasket and I bought one at the local FBO. It was a semi firm rubber, has been in there for years now with no problems running Amoco 93 octane with Phillips Injex premix, still doing fine. Alcohol in the gas might change the equation... Richard Pike MKIII N420P (420ldPoops) > >Bill Futrell wrote: > >> --> Kolb-List message posted by: "Bill Futrell" <Bill-Jo@prodigy.net> >> >> I posted a couple days ago that I was using the gascolator from Aircraft >> Spruce and have flow it all summer with no problem. I called A/S today and >> they said that the manufacture said that auto fuel will dissolve the gasket. <snip>


    Message 3


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    Time: 07:20:21 AM PST US
    From: Richard Pike <rwpike@preferred.com>
    Subject: Re: Gascolators for auto fuel
    --> Kolb-List message posted by: Richard Pike <rwpike@preferred.com> So now I need to stop by the auto parts store and buy a filter just so I can play with the web page some more? OK, I can do that. Richard Pike MKIII N420P (420ldPoops) At 06:28 PM 12/2/02 -0600, you wrote: >--> Kolb-List message posted by: "Richard Harris" <rharris@magnolia-net.com> > >Richard, sounds like a great idea, and cheap too. I think I got the >picture, but why not post a pic on your web-sight? > That part about being retired, I know better, because my Father-in-law is >a supposedly retired preacher, so I know you guys never really retire. >Folks won't let you. >Thanks for the info on the home made gascolator.. > > >Richard Harris >MK3 N912RH >Lewisville, Arkansas > >: Re: Kolb-List: Gascolators for auto fuel > > >Being retired and a notable cheapskate & scrounge, I discovered that a >> gascolator is very cheap and easy to make. The idea behind a gascolator is >> simple: water sinks and gas sits on top of it. So I went down to Autozone >> and here was this wall covered with about 50 different kinds of white >nylon >> automotive fuel filters, right out in the open so you could examine them. >I >> got one with the inlet and outlet on the same level, and the body or bowl >> of the filter about as big as a coffee cup, and below the level of the >> inlets and outlets, cost under $3. >> >> Drilled a hole in the bottom of the bowl to fit a rubber fuel tank >grommet, >> (CPS catalog #7030, $.95) then stuck the barbed end of an elbow tank >> fitting (CPS catalog #7032, $2.95) through the grommet. Hooked a drain >line >> to the fitting and ran it to an external low point on the system and >capped >> it off with a valve. (Already had that, actually had all the hardware >> stuff, so I was primed...) >> >> The fuel (water?) would come in through the inlet and go into the bowl >part >> first, and then through the filtering matrix and then up and out through >> the other port. The water would lay in the bottom, and it would probably >> hold nearly a 1/2 pint of water before it would get up to the outlet. >> >> Less than $10 in the whole rig, and it weighed just a few ounces. The guts >> inside the one I fooled with were not paper, but if they were, I would >> probably have grubbed any paper gasket material out, because I have heard >> that wet filter paper does not pass premix, and my old 532 uses premix. >But >> if you are using oil injection, and straight gasoline is going into the >> filter, it would probably work OK. (Test it and make sure!) Once you make >> the first one, it becomes very easy, I actually bought two filters, one to >> practice on, and the second one to get right. >> > >


    Message 4


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    Time: 09:38:57 AM PST US
    From: "Leonard S.Voelker" <lenvoelker@ccis.com>
    Subject: Lift Strut Vibrations
    --> Kolb-List message posted by: "Leonard S.Voelker" <lenvoelker@ccis.com> Dear Kolbers, I recall some recent posts where some of you have mentioned that your wing lift struts were vibrating during flight. This is an interesting aeroelastic phenomenon that is, fortunately, mostly obnoxious and not potentially immediately catastrophic. However, it is hard on the end fittings and in time could eventually lead to fatigue failure. So I don't recommend that you ignore it. The following diatribe, in explaining in excruciating detail what is going on, assumes that the lift struts are bare round tubes. In fluid flow, cylindrical (and some other non-airfoil shapes) produce wakes with alternating vortices. These vortices produce alternating pressures forward all the way around the cylinder. These alternating pressures in turn produce alternating circular "lift" normal to the flow. The frequency of the shed vortices is constant and a function of the cylinder diameter. The larger the diameter, the lower the frequency. If this frequency coincides with a resonant bending frequency of the flexible tube it will vibrate at a more or less constant amplitude depending on the airspeed. The best cure that I know of for a vibrating lift strut is to wrap a symmetric airfoil around it. I'm sure New Kolb will sell you a plastic one if you request it, along with instructions on how to install it. Be sure to affix the airfoil firmly to the strut or bad things could happen. Such an airfoil also has the added benefit of significantly reducing strut drag since a symmetric airfoil of the same thickness as a cylinder's diameter will have about one tenth of the drag. Extruded airfoil-shaped aluminum tubing is also available but it is pricey as well having somewhat higher drag because of the typically blunt trailing edges. Because they are round, those bracing cables around the empennage will likely vibrate, too, and for the same reasons. I don't know of a practical cure for vibrating cables. Flat steel ribbons, for example, would likely flutter since they would be too flexible in torsion. I guess that we will just have to live with it and inspect the cable fittings each time before flight to insure that excessive wear has not occurred. There are many examples of alternating shedding vortices elsewhere besides on aircraft. We've all seen galloping telephone and electric power lines in high cross winds. Some smoke stacks have even been toppled by them. Stop signs, although flat instead of round, also tend to oscillate in high winds for the same reason. Many fixes have been tried for these examples, with varying degrees of success, but none of them are appropriate for aircraft applications. See, that's more than you ever wanted to know about shedding vortices. Fly safe and flutter free. Len Voelker Mark III Xtra/?


    Message 5


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    Time: 09:41:42 AM PST US
    Subject: safety pins
    From: Erich_Weaver@URSCorp.com
    12/03/2002 12:41:37 PM --> Kolb-List message posted by: Erich_Weaver@URSCorp.com I too like to use the oversized safety pins, as I must breakdown my Mrk III and put it in my trailer every time I fly. I use the large ones to make life easier when installing or removing the clevis pin at the wing attachment point. Have not found any in aircraft spruce catalog, but did find them at Home Depot in their specialty hardware drawers. No, they are not to AN specs, but they are significantly beefier than standard ones, and they work fine for their intended purpose. I tried safety rings, but quickly discarded them because they are just too much of a pain to take on and off every time. On the other hand, the loss of a safety pin through improperly clipping it would seem more likely than the loss of a safety ring. For this reason, checking all the safety pins to make sure they are properly clipped is something I pay extra attention to on my preflights. One one or two occasions, I found ones that appeared to be clipped, but in fact were not fully secured. Seeing that has made me even more vigilant, and Im fine with it as long as I know I have done my preflight carefully. regards, Erich Weaver erich_weaver@urscorp.com


    Message 6


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    Time: 09:59:27 AM PST US
    From: "Frank Reynen" <frank_reynen@ix.netcom.com>
    Subject: Re: Prop length
    --> Kolb-List message posted by: "Frank Reynen" <frank_reynen@ix.netcom.com> Mark, I have a 72" 3 blade IVO on my MKIII with room to spare.It is mounted on an IVO 3" extension. See webside below under "912 carb conversion" for a picture of the mounting. Frank Reynen http://www.webcom.com/reynen ----- Original Message ----- From: <Cavuontop@aol.com> Subject: Kolb-List: Prop length > --> Kolb-List message posted by: Cavuontop@aol.com > > Gentlemen: > > Can a 72" prop be used on a Mark III Classic with a 912 engine? > > Mark R. Sellers > Kolb Twinstar Mark III, N496BM > >


    Message 7


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    Time: 01:27:39 PM PST US
    Subject: Re: Lift Strut Vibrations
    From: ul15rhb@juno.com
    --> Kolb-List message posted by: ul15rhb@juno.com Len, I am one of those pilots with the round struts. I don't have them on my machine anymore because I made the streamlined struts two years ago. In the 14 years of using the round struts, I monitored the ends very closely as my life depended on them. I never saw anything that remotely looked like the 25 end rivets were loosening up. If that happened, I would have grounded myself. They did not vibrate much at cruise where the majority of my flying was done (55-60 mph). It was at low rpms, during the approach and landing, where I could see them vibrating. It was a little unnerving when I saw them out there holding me and my plane aloft, but I would not hesitate to fly with them again. Ralph Burlingame Original Firestar On Tue, 3 Dec 2002 09:45:40 -0800 "Leonard S.Voelker" <lenvoelker@ccis.com> writes: > --> Kolb-List message posted by: "Leonard S.Voelker" > <lenvoelker@ccis.com> > > Dear Kolbers, > > I recall some recent posts where some of you have mentioned that > your wing lift struts were vibrating during flight. This is an > interesting aeroelastic phenomenon that is, fortunately, mostly > obnoxious and not potentially immediately catastrophic. However, it > is hard on the end fittings and in time could eventually lead to > fatigue failure. So I don't recommend that you ignore it. The > following diatribe, in explaining in excruciating detail what is > going on, assumes that the lift struts are bare round tubes. > > In fluid flow, cylindrical (and some other non-airfoil shapes) > produce wakes with alternating vortices. These vortices produce > alternating pressures forward all the way around the cylinder. > These alternating pressures in turn produce alternating circular > "lift" normal to the flow. The frequency of the shed vortices is > constant and a function of the cylinder diameter. The larger the > diameter, the lower the frequency. If this frequency coincides with > a resonant bending frequency of the flexible tube it will vibrate at > a more or less constant amplitude depending on the airspeed. > > The best cure that I know of for a vibrating lift strut is to wrap a > symmetric airfoil around it. I'm sure New Kolb will sell you a > plastic one if you request it, along with instructions on how to > install it. Be sure to affix the airfoil firmly to the strut or bad > things could happen. Such an airfoil also has the added benefit of > significantly reducing strut drag since a symmetric airfoil of the > same thickness as a cylinder's diameter will have about one tenth of > the drag. Extruded airfoil-shaped aluminum tubing is also available > but it is pricey as well having somewhat higher drag because of the > typically blunt trailing edges. > > Because they are round, those bracing cables around the empennage > will likely vibrate, too, and for the same reasons. I don't know of > a practical cure for vibrating cables. Flat steel ribbons, for > example, would likely flutter since they would be too flexible in > torsion. I guess that we will just have to live with it and inspect > the cable fittings each time before flight to insure that excessive > wear has not occurred. > > There are many examples of alternating shedding vortices elsewhere > besides on aircraft. We've all seen galloping telephone and electric > power lines in high cross winds. Some smoke stacks have even been > toppled by them. Stop signs, although flat instead of round, also > tend to oscillate in high winds for the same reason. Many fixes have > been tried for these examples, with varying degrees of success, but > none of them are appropriate for aircraft applications. > > See, that's more than you ever wanted to know about shedding > vortices. Fly safe and flutter free. > > Len Voelker > Mark III Xtra/?


    Message 8


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    Time: 01:37:53 PM PST US
    From: SR3SA2L1@aol.com
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: SR3SA2L1@aol.com Len, Are the "flat steel ribbons" you mentioned the same ones that you see on many aerobatic planes instead of cables? Do you know what these cable alternatives are officially called? Do the aerobatic pilots that use the solid "ribbons" instead of cable suffer from the same vibration problems that we do? Do you or any of the other list members have any experiance using these instead of cables? I have thought of using these instead of cables on the tail feathers because they are more streamlined and they look good. Any idea where to get these? Also, has anyone found a fix to stop the noise of the cables that go thru the boom tube? Steve


    Message 9


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    Time: 02:06:56 PM PST US
    Subject: Re: safety pins
    From: ul15rhb@juno.com
    --> Kolb-List message posted by: ul15rhb@juno.com > --> Kolb-List message posted by: Erich_Weaver@URSCorp.com >snip> > I tried safety rings, but quickly discarded them because they are > just too > much of a pain to take on and off every time. > snip> > regards, > > Erich Weaver > erich_weaver@urscorp.com Eric, Get the "easy start" safety rings. They are not hard to start or remove. I've been using them for 16 years and I set up and take down on every flight which has been over 360 setups. I would never use those safety clips. Not only can they come loose, but tough on the fingers. When I got my kit, I saw those clips and thought there had to be a better way. The rings are it. Ralph Original Firestar


    Message 10


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    Time: 03:30:07 PM PST US
    From: Tiffany Pitra <tif_qtra@yahoo.com>
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: Tiffany Pitra <tif_qtra@yahoo.com> Sky tech. Has streamline struts and stremline gerry struts and ect. SR3SA2L1@aol.com wrote:--> Kolb-List message posted by: SR3SA2L1@aol.com Len, Are the "flat steel ribbons" you mentioned the same ones that you see on many aerobatic planes instead of cables? Do you know what these cable alternatives are officially called? Do the aerobatic pilots that use the solid "ribbons" instead of cable suffer from the same vibration problems that we do? Do you or any of the other list members have any experiance using these instead of cables? I have thought of using these instead of cables on the tail feathers because they are more streamlined and they look good. Any idea where to get these? Also, has anyone found a fix to stop the noise of the cables that go thru the boom tube? Steve ---------------------------------


    Message 11


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    Time: 03:38:08 PM PST US
    From: Richard Pike <rwpike@preferred.com>
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: Richard Pike <rwpike@preferred.com> A friend of mine has an Aircam and the streamlined lift struts are prone to vibrate. Lockwood's cure was little turbulator strips that run the length of the streamline tube strut on the forward side, one on the upper side front, the other on the lower side front. There is another aircraft that has just joined the local fleet, a Vista that has streamlined lift struts that vibrate at certain engine rpm's, apparently in resonance with the Rotax 912. The owner is going to install turbulator strips along the front edges of the lift struts, will let you know how things turn out, might be something Kolb-useful. Richard Pike MKIII N420P (420ldPoops) At 09:45 AM 12/3/02 -0800, you wrote: >--> Kolb-List message posted by: "Leonard S.Voelker" <lenvoelker@ccis.com> > >Dear Kolbers, > >I recall some recent posts where some of you have mentioned that your wing >lift struts were vibrating during flight. This is an interesting aeroelastic >phenomenon that is, fortunately, mostly obnoxious and not potentially >immediately catastrophic. However, it is hard on the end fittings and in >time could eventually lead to fatigue failure. So I don't recommend that you >ignore it. The following diatribe, in explaining in excruciating detail what >is going on, assumes that the lift struts are bare round tubes. > >In fluid flow, cylindrical (and some other non-airfoil shapes) produce wakes >with alternating vortices. These vortices produce alternating pressures >forward all the way around the cylinder. These alternating pressures in >turn produce alternating circular "lift" normal to the flow. The frequency >of the shed vortices is constant and a function of the cylinder diameter. >The larger the diameter, the lower the frequency. If this frequency >coincides with a resonant bending frequency of the flexible tube it will >vibrate at a more or less constant amplitude depending on the airspeed. > >The best cure that I know of for a vibrating lift strut is to wrap a >symmetric airfoil around it. I'm sure New Kolb will sell you a plastic one >if you request it, along with instructions on how to install it. Be sure to >affix the airfoil firmly to the strut or bad things could happen. Such an >airfoil also has the added benefit of significantly reducing strut drag >since a symmetric airfoil of the same thickness as a cylinder's diameter >will have about one tenth of the drag. Extruded airfoil-shaped aluminum >tubing is also available but it is pricey as well having somewhat higher >drag because of the typically blunt trailing edges. > >Because they are round, those bracing cables around the empennage will >likely vibrate, too, and for the same reasons. I don't know of a practical >cure for vibrating cables. Flat steel ribbons, for example, would likely >flutter since they would be too flexible in torsion. I guess that we will >just have to live with it and inspect the cable fittings each time before >flight to insure that excessive wear has not occurred. > >There are many examples of alternating shedding vortices elsewhere besides >on aircraft. We've all seen galloping telephone and electric power lines in >high cross winds. Some smoke stacks have even been toppled by them. Stop >signs, although flat instead of round, also tend to oscillate in high winds >for the same reason. Many fixes have been tried for these examples, with >varying degrees of success, but none of them are appropriate for aircraft >applications. > >See, that's more than you ever wanted to know about shedding vortices. Fly >safe and flutter free. > >Len Voelker >Mark III Xtra/? > >


    Message 12


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    Time: 04:16:33 PM PST US
    From: "Paul Petty" <ppetty@c-gate.net>
    Subject: Re: spark plug wire spreader thingies
    --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net> Denny, I may can help you. I am a store manager for the local NAPA store and have been the business for 24 years. I looked today and they are available is a variety of colors shapes and even some that you can attach to frame members. Go to any Napa and ask to look at the PSE (performance& specialty equipment) catalog. there on page 275 of catalog #PSE02 154021. They will most likely give you a catalog to take home because most hardly use them. Also Ask for a Balkamp catalog. Lots of stuff in there that can be used in building. Paul ----- Original Message ----- From: <rowedl@highstream.net> Subject: Kolb-List: spark plug wire spreader thingies > --> Kolb-List message posted by: <rowedl@highstream.net> > > Kolbers, > I have been checking the local autoparts for the little clips that keep your spark plug wires spaced evenly apart. Nobody seems to have em. I need a couple two wire ones and a handfull of three wire ones. Would also like to have a few of the triples with bolt holes for attaching to the airframe. > Anybody know where I can find these things? > Denny Rowe > Building Mk-3 > 690L-70 > Leechburg, PA > Getting close, real close. > >


    Message 13


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    Time: 04:34:47 PM PST US
    From: Bob Bean <slyck@frontiernet.net>
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: Bob Bean <slyck@frontiernet.net> You guys wouldn't by any chance be referring to the Mcwhyte flying wires that have been standard equipment with most biplanes for at least 70 years now? -I would definitely trust them for my tail braces but just a bit of overkill for a Kolb. -BB do not archive SR3SA2L1@aol.com wrote: >--> Kolb-List message posted by: SR3SA2L1@aol.com > >Len, > >Are the "flat steel ribbons" you mentioned the same ones that you see on many >aerobatic planes instead of cables? Do you know what these cable >alternatives are officially called? Do the aerobatic pilots that use the >solid "ribbons" instead of cable suffer from the same vibration problems that >we do? Do you or any of the other list members have any experiance using >these instead of cables? I have thought of using these instead of cables on >the tail feathers because they are more streamlined and they look good. Any >idea where to get these? > >Also, has anyone found a fix to stop the noise of the cables that go thru the >boom tube? > >Steve > > > >


    Message 14


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    Time: 04:51:23 PM PST US
    From: "Paul Petty" <ppetty@c-gate.net>
    Subject: Auto Parts
    --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net> Hello Kolbers, I have been reading all the interesting post attempting to learn as much about Kolbs as possible. So far I have gained a lot of knowledge, but have not had much to offer in return. I'm sure that after I begin my project M3X I will have plenty of questions and will continue to learn. As an effort to offer something in return, to the list, I am offering my assistance to any and all on part numbers, prices and availability of any of the products offered by NAPA. I manage a NAPA store and have access to everything in their line. Plus an extensive resource of books tech info at my fingertips. Perhaps this may help some of you and I can repay to some for the good insight that I have found thus far. With 24 years of experience of automotive parts (Ford/GM/Nissan/NAPA) I have thought of several parts I have sold along the way that may be helpful here. I am in no way trying to solicit parts business here,got plenty of that!, however from a pro I can honestly say that the help you seek at your local stores may not be all you can get because most counterman today rely on computers to match an application rather than knowing what is available in their product line. For example, did you know that most NAPA stores stock aircraft cable? And most as mine stock's the spiffy yellow fuel line used in two cycle applications. Another example, from my Nissan days I remember a very nice stainless steel very small hose clamp that can be found on most imports. If any of this is any help I welcome your questions and are glad to help. I'm sure I can learn as well. Thanks Paul N4958P


    Message 15


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    Time: 06:06:42 PM PST US
    From: ZepRep251@aol.com
    Subject: Re: spark plug wire spreader thingies
    --> Kolb-List message posted by: ZepRep251@aol.com Denny,speedshop item. Try Summit Racing Equipment,


    Message 16


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    Time: 06:06:43 PM PST US
    From: woody <duesouth@govital.net>
    Subject: Re: Auto Parts
    --> Kolb-List message posted by: woody <duesouth@govital.net> > >, I am offering my assistance to any and all on part numbers, prices and >availability of any of the products offered by NAPA. I manage a NAPA store >and have access to everything in their line. Thanks for the offer the only rule is "do not mention Sea Foam". Any chance you can locate a windshield for a Cimbria kit car?


    Message 17


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    Time: 06:21:33 PM PST US
    From: ZepRep251@aol.com
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: ZepRep251@aol.com Officially called Flying wires, made by Mcwhite


    Message 18


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    Time: 06:22:39 PM PST US
    From: b young <byoung@brigham.net>
    Subject: making steep climbouts
    --> Kolb-List message posted by: b young <byoung@brigham.net> I enjoy making steep climbouts, (40MPH at full throttle with 912), but maybe that's cutting it a bit close (comments John H?). Is a more airspeed and less angle called for? ======================================= during testing i found that the best lift to drag ratio was 55 indicated..... speeds above or below that speed would result in a slower climb out...... personally i like 60 even then i get told that i am quite steep. in my humble opinion 40 is an accident waiting to happen. boyd


    Message 19


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    Time: 06:23:41 PM PST US
    From: b young <byoung@brigham.net>
    Subject: prop a 912
    --> Kolb-List message posted by: b young <byoung@brigham.net> Can a 72" prop be used on a Mark III Classic with a 912 engine? Mark R. Sellers Kolb Twinstar Mark III, N496BM ============================= 72 and 2 blade would probably work.... prop manufactures for both 3 blade props i have owned recomended 68 inch versions. boyd


    Message 20


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    Time: 06:26:14 PM PST US
    From: b young <byoung@brigham.net>
    Subject: installing the H section
    --> Kolb-List message posted by: b young <byoung@brigham.net> > I am installing the H section in the spar. I was expecting to have to grease the the bracket but decided to try it without grease first. The H section just slide right in. I think it may be a little loose. I have the H section in the spar with the bolt in place and 4 clecos at 10.25 " from the center of the 1/2" bolt. Now my questions: I removed the bolt and measured a 1/32 " gap between the spar tube and the H section at the bolt hole. Is this acceptable? Can I squeeze it down with the bolt while I make up the rivets? I removed one of the clecos and measured a 1/16 " gap between the H section and the wing spar. Is this acceptable? Can I take a clamp and squeeze the spar down to the H section while drilling the holes and installing clecos? > ============================= before i pulled any rivets i would make sure that the h section had the proper dimentions.... i would check the spar for roundness... if by pulling the spar in to fit the h section makes the spar an oval shape it will make fiting the ribs harder... if the spar is oval now and by pulling it in makes it round then i think i would start pulling rivets. boyd


    Message 21


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    Time: 06:27:44 PM PST US
    From: ZepRep251@aol.com
    Subject: Re: safety pins
    --> Kolb-List message posted by: ZepRep251@aol.com Aircraft Spruce calls them cowling safety pins.AN416-1 .051 wire AN416-2 .041 wire .23&.17cents ea.


    Message 22


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    Time: 06:36:09 PM PST US
    From: SGreenpg@aol.com
    Subject: Air flow and resonance
    --> Kolb-List message posted by: SGreenpg@aol.com Kolbers, Below is a link to a classic on resonance and wind. I don't believe any of our lift struts vibrate with quite this much amplitude but it starts the same way. Steven Green N58SG do not archive <A HREF="http://sciencejoywagon.com/physicszone/lesson/09waves/resonan/tacoma.htm">Click here: Tacoma Narrows Bridge Collapse http://sciencejoywagon.com/physicszone/lesson/09waves/resonan/tacoma.htm


    Message 23


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    Time: 07:16:16 PM PST US
    From: "Richard Swiderski" <swiderski@advanced-connect.net>
    Subject: Re: Auto Parts
    --> Kolb-List message posted by: "Richard Swiderski" <swiderski@advanced-connect.net> Paul, When you have nothing to do, maybe you could look me up the PN for the lightest, cost effective, electric, high pressure (60lb+) for my EFI system. I need to install 2 in parrallel. My understanding is that they vary widely in price, weight & relibility. I would like to go with the external mount version. Any help pointing me in the right direction would be appreciated. Light & reliable is my top priority. Thanks. ...Richard Swiderski PS Can you get access to the John Deere dynamos PN AM877557 with AM101406 regulator. They put out 20 amp & weigh 4lb with regulator. At JD dealer they get $270 & $70 for them. I have not found a nondealer source for them.. This is quite a wish list. I guess I am testing your metal here! ----- Original Message ----- From: "Paul Petty" <ppetty@c-gate.net> Subject: Kolb-List: Auto Parts > --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net> > > Hello Kolbers, > I have been reading all the interesting post attempting to learn as much about Kolbs as possible. So far I have gained a lot of knowledge, but have not had much to offer in return. I'm sure that after I begin my project M3X I will have plenty of questions and will continue to learn. As an effort to offer something in return, to the list, I am offering my assistance to any and all on part numbers, prices and availability of any of the products offered by NAPA. I manage a NAPA store and have access to everything in their line. Plus an extensive resource of books tech info at my fingertips. Perhaps this may help some of you and I can repay to some for the good insight that I have found thus far. With 24 years of experience of automotive parts (Ford/GM/Nissan/NAPA) I have thought of several parts I have sold along the way that may be helpful here. I am in no way trying to solicit parts business here,got plenty of that!, however from a pro I can honestly say that the help you see! > k at your local stores may not be all you can get because most counterman today rely on computers to match an application rather than knowing what is available in their product line. For example, did you know that most NAPA stores stock aircraft cable? And most as mine stock's the spiffy yellow fuel line used in two cycle applications. Another example, from my Nissan days I remember a very nice stainless steel very small hose clamp that can be found on most imports. If any of this is any help I welcome your questions and are glad to help. I'm sure I can learn as well. > > Thanks > Paul > N4958P > >


    Message 24


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    Time: 07:31:21 PM PST US
    From: GeoR38@aol.com
    Subject: Re: Lift Strut Vibrations
    --> Kolb-List message posted by: GeoR38@aol.com In a message dated 12/3/02 12:40:59 PM Eastern Standard Time, lenvoelker@ccis.com writes: > See, that's more than you ever wanted to know about shedding vortices. Fly > safe and flutter free. > > Len Voelker > Mark III Xtra/? > > > You're good, Len....keep it up. It all makes some sense to me. George Randolph Akron, Oh Firestar KX with 3 blade IVO on 447


    Message 25


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    Time: 07:42:23 PM PST US
    From: GeoR38@aol.com
    Subject: Re: safety pins
    --> Kolb-List message posted by: GeoR38@aol.com In a message dated 12/3/02 5:07:45 PM Eastern Standard Time, ul15rhb@juno.com writes: > Eric, > > Get the "easy start" safety rings. They are not hard to start or remove. > I've been using them for 16 years and I set up and take down on every > flight which has been over 360 setups. I would never use those safety > clips. Not only can they come loose, but tough on the fingers. > > When I got my kit, I saw those clips and thought there had to be a better > way. The rings are it. > > Ralph > Original Firestar > > > hey Ralph, what do you mean the easy start ones..... wonderen George Randolph


    Message 26


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    Time: 08:40:05 PM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: List of Contributors #1 - A Special Thank You...
    --> Kolb-List message posted by: Matt Dralle <dralle@matronics.com> Dear Listers, First let me say Thank You to everyone that made a Contribution in support of the Lists this year! I was particularly touched by all of the wonderful comments people made regarding the Lists and how much they mean to them. As I have said many times before, running these Lists and creating the many new features is truly a labor of love. This is why your comments of support and appreciation have particular meaning for me. Your generosity during this time of List support only underscores the delightful sentiments people have made regarding the Lists. The money raised during this year's Fund Raiser will go directly into supporting the continued operation of the Lists as well as some much needed upgrades. For example, I have just ordered three new UPS systems to replaced the currently failing and out-of-warranty older units. These new units will provide well over 3 hours of backup protection during an outage and assure that the computer systems will be shutdown in a safe and orderly fashion. I have also ordered a new backup system that will provide 60 days of on line, daily backups for all of systems supporting the List services. This regular backup capability serves to rigorously protect against the inevitable system disk failure or the (not-so) "unlikely" errant event of the rogue "rm *" command...(!) Last year, using resources generated by the Fund Raiser, I was able to upgrade the Web server platform, greatly enhancing the performance of the many services such as the Archive Search Engine, as well as increasing the system reliability through newer equipment. During the upcoming year, using Contributions from this year's Fund Raiser, I hope to upgrade the Email System in a similar fashion, providing Listers with substantial increases in performance and availability. Know that all of these enhancements are remotely feasible ONLY because of your generosity during the List Fund Raiser. For this, both I, and the rest of the List population thank you! I would also once again like to thank Andy Gold of the Builder's Bookstore ( http://www.buildersbooks.com ) who so generously supported this year's Fund Raiser with both free and substantially discounted merchandise!! Andy is truly one of a kind, and a superb businessman, and I cannot thank him enough for all that he's done! If you have any aircraft media needs in the near future, I would ask that you please give his great web site a look. Thanks again Andy, for all your support! And finally, below you will find the 2002 List of Contributors current as of 12/3/02! Have a look at the list of names there as these are the people that make all of the services here possible! I can't thank you all enough for your support and great feedback during this year's Fund Raiser! THANK YOU! I will post a follow up List of Contributors at the end of the month to catch any straggles or people who mailed in checks. There are still a few of the various Free Gifts left, so please feel free to yet make your Contribution and get a great Free Gift to-boot! Once again, the URL for the Contributions web site is: http://www.matronics.com/contribution I will be shipping out the CDROM-Only orders later this week. The remaining Flight Bag-Only and all of the Flight Bag & CDROM orders will ship out as soon as I receive the second shipment of flight bags. The A&P Book orders will go out later this month. I will post again regarding the actual shipment of the various items. Once again, thank you for making this year's List Fund Raiser successful! Best regards, Matt Dralle Email List Administrator ------------------- 2002 List of Contributors #1 ----------------- Adams, Brian Adams, Robert Addington, James Alber, John Alexander, Don Alexander, George Allen, George Altenhein, Gary Amundsen, Blair Amundson, John Andrepont, Dirk Andrews, Myles Applefeld, Gerald Armstrong, Christopher Aronson, David Ashton, Kent Aspegren, Roger Atkinson, Harold Austin, David Awad, Ihab Babb, Tony Bahrns, Stan Baker, Jim Baker, Owen Ballenger, Jim Barnes, Thomas Bartrim, S.Todd Basiliere, Rick Bassette, Richard Bataller, Gary Batte, W.Granville Bean, James Bean, Robert Beard, Harley Bell, Bruce Benham, Dallas Benjamin, Hal Benson, Lonnie Bergeron, Daniel Bergner, Lee Bernard, William Bernier, Jim Bertelli, John Bertrand, Carl Beusch, Andre Bidle, Jerry Bieber, Michael Bieberdorf, Roger Billing, Ernie Binzer, Robert Bird, Carroll Blahnick, Drew Blake, J.I. Blake, Peter Blomgren, Jack Boardman, Don Bockelman, David Boede, Jon Bolduc, Richard Bona, Skip Bonesteel, Wayne Bookout, Ralph Booze, Greg Borduas, Eric Boucher, Michel Bourne, Larry Bowen, Larry Bowman, John Boyter, Wayne Brame, Charles Brandon, John Branstrom, Dan Brasch, Glenn Brick, John Bridges, Glenn Bridgham, David Briggs, Tracy Brocious, Bob Bromka, Alan Bronson, Tim Brooks, Chris Brooks, John Brooks, Kenyon Brooks, William Broomell, Glenn Brown, Robert Buchanan, Sam Buchmann, Kenneth Buess, Alfred Bulot, Larry Burg, H.R. Burks, Terrell Burton, Charlie Burton, James Bush, Jerome Butcher, Ronald Butler, Francis Calhoun, Ron Calloway, Terry Calvert, Jerry Cameron, Todd Cann, Tony Cantrell, Jimmy Capen, Ralph Capestany, Phillip Carey, Christopher Carillon, John CarillonSr., Paul Carlisle, O. Carroll, Randy Carter, Ron Casey, Jeremy Challgren, Stanley Champaign, Philip Chandler, Charles Chapman, Tom Chapple, Glen Checkoway, Dan Chesterman, Dave Christie, Bill Clark, James Clark, John Clinchy, David Cochran, Stewart Coffey, John Cohen, Philip Coldenhoff, Tim Cole, Gary Coley, Howard Collins, Leland Colucci, Tony Comfort, Gordon Compton, Scott Condon, Philip Connell, Joseph Cook, Craig Cooper, James Corbalis, Leo Corbett, Corky&Isabelle Corder, Michael Corriveau, Grant Cotton, David Coulter, Annette Coulter, Carl Counselman, William Coursey, William Cox, Ronald Craig, John Cretsinger, Will Crisp, Steve Croke, Jon Crosby, Harry Crosley, Richard Cruikshank, Bruce Cullen, Chuck Cummings, Tom Currie, Robert Dalstrom, Douglas Dalziel, Donald Danclovic, Paul Daniels, Jim Dascomb, George Daudt, Larry Davidson, Jeff Davis, Jared Davis, John Davis, Joseph Davis, Mark Davis, Terry Dawson, Clif Dawson, William Day, Jack Desimone, D.A., Dr Desimone, David Desmond, Richard Devaney, Robert Diehl, Donald Dilatush, John Dionne, Bruno Dobson, Russell Dodge, Larry Donald, Woods Dondlinger, Leo Douglas, Lyle Dresden, Robert Driscoll, Patrick Driver, Stuart Dudley, Richard Dupon, William Dupuis, Real Durr, Wendell DuVe, Chris Eagleston, Ron Eaves, Donald Eberhart, Steven Ebsen, Kevin Eckel, John Eckenroth, Paul Edwards, Bruce Elder, William Elia, Pete Ellenberger, Mike Ellis, Dale Ervin, Thomas Erwin, Chip Escobar, Luis Esterhuizen, Deon Evans, Marion Evans, Walt Faatz, Mitch Fackler, Ken Fair, William Faris, Kevin Farley, David Fasching, John Fay, John Feldmann, Stephen Ferguson, Jay Finley, John Fishe, James Fitzpatrick, Robert Flamini, Dennis Foerster, James Fondevila, Gabriel Fox, Byron Fraser, Angus Fray, Jerry Frazier, Ford Freeman, James Fricke, Walt Frisby, James Fromm, John Frost, George Fry, John Frye, Dwight Frymire, Terry Fulgham, Bill Fulmer, Joseph Fung, Sean Gardner, Albert Garner, John Garrou, Douglas Gassmann, Andrew Gates, Leo Genzlinger, Reade George, William German, Mark Gherkins, Tim Gibbons, Chip Gilbert, Mark Gillespie, R.L. Gillies, Patty Glasgow, Steve Glass, Roy Goble, Loren Golden, Dennis Gonzalez, Manuel Good, Chris Gordon, Keith Gott, Shelby Goudinoff, Peter Grabb, Gary Graham, W.Doyce Grajek, Al Graumlich, Thomas Graumlich, Tom Grebe, David Green, Roger Green, Steven Greene, Tim Grentzer, Edward Griffin, Bill Griffin, Robert Guidroz, Thomas Gummo, Thomas Gustafson, Aaron Guthrie, Mark Haertlein, Frank Hallsten, Keith Hallsten, Kent Hamer, Steve Hancock, Barry Hand, Chris Hankins, Roger Hanrahan, Jamie Hansen, Richard Hanson, Kevin Hardaway, Mike Harding, Scott Hargis, Merle Harman, Richard Harmon, John Harmon, Loren Harrill, Ken Harris, John Harris, Richard Hart, Daniel Hart, Jack Hartl, Paul Hartselle, Richard Hartson, Wesley Hartwig, Richard Harvey, Dale Hasper, Jim Hatch, Pat Hatcher, Clive Hatfield, Cecil Hauck, John Hawkins, Harry Hawkins, Larry Hebb, Loman Hegler, Freddie Heisey, Adriel Henderson, Neil Herminghaus, John Herren, William Herrick, David Hibbing, William Hickman, Robert Hill, Jeff Hill, Kenneth Hill, Stanley Himes, Joe Himsl, Vincent Hinrichsen, James Hodge, Jack Hodgson, Bob Hoffman, Allan Hoffman, Carl Hoffman, Curtis Hoffmann, Thomas Holifield, Stephen Hooper, Randy Hoover, Ralph Hornick, Paul Horton, Dan Horton, Kevin Hubbard, Eugene Huft, John Hughes, Robert Hulen, Fred Humbert, Robert Hunger, Norman Hunsicker, Greg Hunt, Jim Hunt, Robin Hurlbut, Steve Hutchinson, Harold Hutchison, Tom Iii, Henry, Inman, George Isaacs, Robert Isler, Jerry Jackson, Scott Jamieson, Richard Jan, Dejong Jannakos, Gregory Jenkins, John Jensen, Marinus Jessen, John Jewell, Jim Johannsson, Johann Johnson, Bob Johnson, Brian Johnson, Delbert Johnson, Kerry Johnson, Lance Johnson, Murray Johnson, Richard Johnson, Steve Jones, Alvin Jones, Kevin Joosten, Craig Jordan, Don Jordan, John Jory, Rick Jungjr, Johnr Kahn, Steve Kaluza, Charles Karmy, Andrew Karpinski, Arthur Kayner, Dennis Kelley, Jim Kelley, Patrick Kellum, Mark Kempthorne, Hal Kent, John Kirby, David Kleen, Chris & Indira Knoepflein, Shannon Knoll, Bruce Kohn, Carl Koonce, R.L. Kovac, Harold Kowalski, Bruce Kramer, Ed Kritzman, Alan Krok, Peter Kuntz, Paul Kuss, Charles Kwitek, Marty Kyle, Fegus Lackwitz, Ray Laird, Dave Laird, David Lamb, Billie Lamb, Billy Landmann, Doug Lannon, Walter Larsen, Gene Larson, Joe Lasecki, Robert Lassen, Finn Latimer, Jerry Laurie, Kip Lawliss, James Lawson, John Ledbetter, Gene Ledoux, Paul Lee, Terry Lefler, Fabian Lekven, Carl Lenarz, Michael(mike) Lenton, Dennis Lerohl, Gaylen Terminaltown Lervold, Randy Lewis, Rufus Lewis, Terry Lewis, Tim Licking, Lawrence Lifer, Craig Liming, Gary Linebaugh, Jeffrey Linse, Michael Lloyd, Brian Loar, Carl Long, Charles Long, Eugene Long, Jim Longcrier, Thurman Longino, Dana Loubert, Gary Lundborg, Craig Lundin, Richard Lundquist, David Lutgring, Thomas Lynch, Charles Macchiaverna, Andrew Macdonald, Dave Macdonald, Larry Mack, Don Mackay, Alex Madden, Peter Mains, Ralph Malczynski, Francis Malich, Gunter Markle, Jim Markwell, Cleone Marlow, Sam Marshall, F.Robert Marshall, Nigel Martin, Bryan Martin, Jay Martin, Richard Mason, Ron Massari, Steve Mattson, Doug Maziarz, Dpnald Mcbride, Duncan Mccallister, Don Mccallum, Robert Mccracken, Ted Mcfarland, Larry Mcfarlane, Lloyd Mcgehee, Tom Mcgregor, Bruce Mcintosh, Wayne Mcintyre, Jay Mckelvey, David Mckenna, Mike Mcleod, Neil Medeiros, Joel Medema, Doug Meiste, Kelly Mekeel, Donald Mensink, Will Merchant, Dean Messinger, Paul Metz, Lowell Meyers, Jess Meyers, John Meyn, Wolfgang Michel, Paul Milgrom, Mark Miller, David Miller, Jim&dondi Mills, Bill Minewiser, Jim Mitchell, Bill Mitchell, Duane Mitchell, Graham Moak, Ken Montagne, Raymond Montoure, Ken Morehead, Cj Morelli, William Morgan, Mark Morin, Mauri Morison, James Morley, Harold Morphis, George Morrow, Dan Mosier, Colby Moulin, Roger Moyle, John Mrotzek, Dan Mucker, Matthew Mudge, Ronald Muegge, James Mueller, Mike Mulherin, Harold Murray, Glenn Murray, Ronald Murrill, Bob Myers, John Natho, Paul Navratil, Richard Neilsen, Richard Neitzel, Richard Nellis, Mike Newkirk, Bill Nicely, Vincent Nicholas, Kim Nickless, Jim Nickson, Dennis Norman, Jim North, Wheeler Noyer, Robert Nuckolls, Robert Nystrom, John O'Brien, Bill O'Brien, Dan O'Brien, William O'Donnell, David Oberst, James Ochsner, Doug Oconnor, Edward Ohlinger, Judith Okeefe, Larry Okeefe, Lawrence Okrent, Mike Oldford, David Orear, Jeff Orsborn, Thomas Owens, Don Owens, Phillip Packard, Tom Pardue, Larry Parham, Bernard Park, Gene Parker, Ray Patsey, Kevin Patterson, Tim Payne, Craig Payne, Ron Pedersen, Wayne Pekin, J Pelletier, Daniel Perez, M.Domenic Peterson, Alex Peterson, David Petri, David Petty, Paul Pflimlin, Paul Pfundt, Jan Phillips, Jack Phillips, Mark Pickrell, Jim Pieper, William Pike, Richard Pilling, Kevin Pinneo, George Pinzon, Pedro Plecenik, Michael Point, Jeff Polits, Dick Pollard, Jim Polstra, Philip Pote, Barry Powell, Ken Prather, Matthew Preston, Douglas Pribble, Marv Puckett, Greg Rabaut, Chuck Raby, Ronald Radford, Joe Ramotowski, Joe Randolph, George Ray, Rick Ray, Rob Reeck, Arthur Reed, Gary Reed, Joel Reeves, Dan Render, James Reuterskiold, John Rice, Mike Richard, J. Richards, Stephen Risch, Bob Robert, Larry Robinson, James Rodebush, James Roebuck, Warren Roehl, Tim Rogers, Ken Rohling, William Romine, Chris Ron, Dewees Rosenberg, Ran Rowe, Dennis Rozendaal, Doug Russell, Jack Sa, Carlos Safford, Brad Salter, Phillip Salzman, Mike Sapp, Doug Sargent, Thomas Sax, Samuel Schiff, Nathan Schneider, Werner Schnurr, Jack Schoenberger, H.Robert Schrimmer, Mark Schroeder, John Schultz, Davidh Scott, Clive Scroggs, Ross Seal, Boyd Sears, Jim Seel, Norman Selby, Jim Shackelford, Orie Shafer, James Shank, Bill Shannon, Kevin Shearing, Garth Sheets, Doug Shelton, Kevin Shepherd, Dallas Shipley, Rob Siegfried, Bob Silva, Oswaldo Simmons, Ken Simpson, Randy Singleton, Graham Sink, Donald Sipp, Richard Slatt, Gary Small, Jeff Smith, David Smith, Gene Smith, Kirk Smith, Ronald Smith, Zed Sobel, Martin Sohn, Daniel Solecki, John Sower, Jim Sparks, Timothy Spence, Stephen Spencer, Scott Sprayberry, JR Sprunger, Gary Staal, Stephen Stagg, Lynwood Staley, Dick Starn, Jack Steuber, Edward Stewart, Don Stoffers, Larry Stone, Chris Strawn, David Stroberg, David Strong, Gary Stuart, Clay Sullivan, Stan Sutterfield, Stan Swaney, Mark Swanson, Roger Swanson, Ronald Swartzendruber, David Swenson, Guy Swinford, George Tasker, Richard Tauchen, Bryan Tellet, David Textor, Jack Therrien, Michel Thistlethwaite, Geoff Thomas, Lee Thomas, Stephen Thomason, Michael Thompson, David Thorne, Jim Thwing, Randy Todd, John Tompkins, Jeff Tower, John Towner, Melvin Trojan, David Truitt, Jim Trumpfheller, Robert Tupper, Kirby Turnbull, Tom Tuton, Beauford Uniform, Sirs! Utterback, Tom Van Laak, Jim Vanbladeren, Ronald Vandenbroek, Martin VanDerSanden, Gert Vangrunsven, Stanley Vanwinkle, Alden Vargas, Javier Vaughan, Cye Vervoort-woestenburg, Jef Voelker, Leonard Voss, Richard Wagner, James Wagoner, Richard Waldal, ArtB. Walker, Beau Walker, Weston Wall, Chris Wallen, Arden Wampler, Jim Washburn, Oliver Watson, Richard Watson, Terry Weaver, Erich Weaver, Fred Webb, Randol Weiler, Doug Weiss, Gary Werner, Russ Weyant, Chuck Wheatley, Malcolm Whelan, Thomas White, Charles Whiteside, Eric Whitman, Timothy Whittier, Bucky Whittington, Dewitt Wilcox, Gary Williams, Eugene Williams, Gene Williams, Laurence Williams, Terry Willig, Louis Willis, Raymond Wilson, Billy Wilson, Kelly Winberry, Bryan Winne, Edward Winnings, James Wittman, James Woods, Harold Wotring, Dale Wright, Roy Wymer, Gerald Yamokoski, William Young, Rollin Zecherle, John Zheng, Andrew Zilik, Gary Zirges, Malcolm Zollinger, Duane Zuniga, Oscar ------------------- 2002 List of Contributors #1 ----------------- DNA: do not archive


    Message 27


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    Time: 08:47:05 PM PST US
    Subject: Re: safety pins
    From: ul15rhb@juno.com
    --> Kolb-List message posted by: ul15rhb@juno.com On Tue, 3 Dec 2002 22:41:17 EST GeoR38@aol.com writes: > > hey Ralph, what do you mean the easy start ones..... > > wonderen George Randolph George, The ring overlaps so that it will not come off (like a key ring), but the inner overlap is bent to the center so it can be started and wound around without prying apart the overlaps with the fingers. Does that make sense? Ralph


    Message 28


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    Time: 08:58:49 PM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: installing the H section
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> This has bothered me some, and Boyd, you make some good points, as usual. The thing I would worry about here, is that pop rivets are great in shear, but very poor in tension. If there's a gap between the spar walls, and the H-section, I would find out why, as Boyd says. Maybe even have new H-sections made. Relying on pop rivets to hold that spar tight to the H-section seems very chancey to me.................try pulling a spar out of round with a clamp, and you'll see how much force it takes. (I had the opposite problem: I had to squeeze my spars slightly out of round to get the H-section in, without scratching. With the Stanley squeeze clamps, it was VERY difficult) Then pop rivet 2 scrap pieces of heavy material together, and pry them apart................it'll scare you. DON'T use pop rivets in tension ! ! ! Concerned Lar. Larry Bourne Palm Springs, CA Kolb Mk III - Vamoose www.gogittum.com ----- Original Message ----- From: "b young" <byoung@brigham.net> Subject: Kolb-List: installing the H section > --> Kolb-List message posted by: b young <byoung@brigham.net> > > > I am installing the H section in the spar. I was > expecting to have to > grease the the bracket but decided to try it without grease > first. The H > section just slide right in. I think it may be a little > loose. I have the > H section in the spar with the bolt in place and 4 clecos at > 10.25 " from > the center of the 1/2" bolt. Now my questions: I removed > the bolt and > measured a 1/32 " gap between the spar tube and the H > section at the bolt > hole. Is this acceptable? Can I squeeze it down with the > bolt while I make > up the rivets? I removed one of the clecos and measured a > 1/16 " gap > between the H section and the wing spar. Is this > acceptable? Can I take a > clamp and squeeze the spar down to the H section while > drilling the holes > and installing clecos? > > > ============================= > > before i pulled any rivets i would make sure that the h > section had the proper dimentions.... i would check the > spar for roundness... if by pulling the spar in to fit the > h section makes the spar an oval shape it will make fiting > the ribs harder... if the spar is oval now and by pulling > it in makes it round then i think i would start pulling > rivets. > > boyd > >


    Message 29


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    Time: 09:30:40 PM PST US
    From: GeoR38@aol.com
    Subject: Re: safety pins
    --> Kolb-List message posted by: GeoR38@aol.com In a message dated 12/3/02 11:47:35 PM Eastern Standard Time, ul15rhb@juno.com writes: > On Tue, 3 Dec 2002 22:41:17 EST GeoR38@aol.com writes: > >>hey Ralph, what do you mean the easy start ones..... > > > >wonderen George Randolph > > George, > > The ring overlaps so that it will not come off (like a key ring), but the > inner overlap is bent to the center so it can be started and wound around > without prying apart the overlaps with the fingers. Does that make sense? > > Ralph > > YUP GR


    Message 30


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    Time: 10:20:48 PM PST US
    From: <rowedl@highstream.net>
    Subject: those NAPA guys
    --> Kolb-List message posted by: <rowedl@highstream.net> Wow Paul, You NAPA guys are as good as Michael Waltrip says you are. Thanks, Denny Do not archive




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