Kolb-List Digest Archive

Wed 02/22/06


Total Messages Posted: 24



Today's Message Index:
----------------------
 
     1. 04:56 AM - LSA Repairman Certificate Limitations (Thom Riddle)
     2. 07:15 AM - Re: LSA Repairman Certificate Limitations (David Key)
     3. 07:16 AM - engine (robert bean)
     4. 08:19 AM - Observations on flutter by an amateur (Richard Girard)
     5. 08:20 AM - Re: engine (JetPilot)
     6. 08:33 AM - Re: Observations on flutter by an amateur (JetPilot)
     7. 09:34 AM - NEw american engine manufacturer...ROTAMAX (Don G)
     8. 09:40 AM - Re: Re: engine (HShack@aol.com)
     9. 10:18 AM - Brake Line Question (Kirby Dennis Contr MDA/AL)
    10. 12:14 PM - Re: Brake Line Question (robert bean)
    11. 12:50 PM - fuel tanks (pat ladd)
    12. 01:44 PM - Re: Brake Line Question (Larry Bourne)
    13. 02:18 PM - Re: Re: best price on 503 (Kirk Smith)
    14. 03:19 PM - Re: Brake Line Question (John Hauck)
    15. 04:24 PM - Re: Brake Line Question (Larry Bourne)
    16. 04:39 PM - Re: Brake Line Question (John Hauck)
    17. 05:19 PM - Re: Brake Line Question (Steve Garvelink)
    18. 05:30 PM - Re: Brake Line Question (John Hauck)
    19. 05:35 PM - Re: Brake Line Question (ElleryWeld@aol.com)
    20. 06:32 PM - Re: Brake Line Question (John Hauck)
    21. 07:44 PM - Re: Penzoil (DAquaNut@AOL.COM)
    22. 07:55 PM - Re: Penzoil (John Hauck)
    23. 08:50 PM - Re: Brake Line Question (Richard & Martha Neilsen)
    24. 09:06 PM - Re: best price on 503 (WhiskeyVictor36@aol.com)
 
 
 


Message 1


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    Time: 04:56:12 AM PST US
    From: Thom Riddle <jtriddle@adelphia.net>
    Subject: LSA Repairman Certificate Limitations
    --> Kolb-List message posted by: Thom Riddle <jtriddle@adelphia.net> David, It is a common misunderstanding that the LSA Repairman - Inspection Certificate will allow its holder to inspect any LSA but such is not the case. This certificate allows its holder to inspect any Experimental LSA THAT HE/SHE OWNS. He cannot sign off the annual condition inspection for an E-LSA that he/she does NOT own, nor can he/she do annual condition inspections for ANY Special LSA aircraft. A holder of a LSA Repairman - Maintenance Certificate can do all the above and charge for his services. Unfortunately, no one has yet produced the required 120 hour (for airplanes) training course that enables one to earn this rating. Thom in Buffalo


    Message 2


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    Time: 07:15:42 AM PST US
    From: "David Key" <dhkey@msn.com>
    Subject: LSA Repairman Certificate Limitations
    --> Kolb-List message posted by: "David Key" <dhkey@msn.com> Sorry, You are right. You can work on only your LSA. >From: Thom Riddle <jtriddle@adelphia.net> >To: kolb-list@matronics.com >Subject: Kolb-List: LSA Repairman Certificate Limitations >Date: Wed, 22 Feb 2006 07:51:59 -0500 > >--> Kolb-List message posted by: Thom Riddle <jtriddle@adelphia.net> > >David, > >It is a common misunderstanding that the LSA Repairman - Inspection >Certificate will allow its holder to inspect any LSA but such is not >the case. This certificate allows its holder to inspect any >Experimental LSA THAT HE/SHE OWNS. He cannot sign off the annual >condition inspection for an E-LSA that he/she does NOT own, nor can >he/she do annual condition inspections for ANY Special LSA aircraft. A >holder of a LSA Repairman - Maintenance Certificate can do all the >above and charge for his services. Unfortunately, no one has yet >produced the required 120 hour (for airplanes) training course that >enables one to earn this rating. > >Thom in Buffalo > >


    Message 3


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    Time: 07:16:32 AM PST US
    From: robert bean <slyck@frontiernet.net>
    Subject: engine
    --> Kolb-List message posted by: robert bean <slyck@frontiernet.net> FF and US owners/builders. This looks interesting: http://www.ultralightnews.com/airventure2001/teledyne1.htm -BB do not archive


    Message 4


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    Time: 08:19:57 AM PST US
    From: "Richard Girard" <jindoguy@gmail.com>
    Subject: Observations on flutter by an amateur
    --> Kolb-List message posted by: "Richard Girard" <jindoguy@gmail.com> I am not an engineer so take these observations with all the authority they deserve and remember the price you paid for them. As concerns flight control surfaces these general rules seem to apply. 1. the faster the airflow the lighter the control surface should be in proportion to the wing to which it is attached 2. all control surfaces should be balanced 3. never modify a control surface without re-balancing it 4. never fly a control surface that is over its design spec weight limit 5. do not allow slop to creep into your control system 6. keep your hands and feet on the controls at all times Some anecdotal evidence in favor of the above A 1-26 sailplane pilot, while heading home on a long final glide in smooth air, took his feet from the rudder pedals. Within seconds a growing vibration could be felt in the tail. Returning his feet to the pedals silenced the vibration. Upon landing a gross distortion of the tail truss was found, as evidenced by wrinkles in the formerly taut cloth covering. The cause was determined to be flutter of the rudder brought about by slack in the rudder cables and the pilot removing his feet from the pedals. The pilot was acting as a damper on the system and kept the flutter in check throughout the normal range of the 1-26's airspeed. On the LongEZ and Varieze designs of Burt Rutan, the weight of the control surfaces and their balance about the hinge centerline are called out at both plus and minus limits. This is done both in the plans for the aircraft and at least one Mandatory Ground notification from the factory. Both these designs are composite construction so there can be great variability in the weight of the ailerons and elevators. Builders are instructed to destroy surfaces that are too heavy or too far out of balance and make new if the surface cannot be brought into conformance with the weight and balance spec's. Both designs are fast, clean aircraft that gain speed quickly in a dive. The NTSB has recorded one crash due to flutter of a Varieze where the elevator had fluttered and ripped the canard from the airframe. Post crash examination showed the elevator was both too heavy and out of balance. So how does this apply to a Kolb? All Kolb control surfaces can trace their design lineage back to that original ultralight that Homer started selling in the late 70's. It was very light and not meant to go much faster than 60 mph with its little one lung two stroke engine. My Mark III, 46 Hotel, is over twice as heavy as that original aircraft and has three times as much horsepower. There are Mark III's with 40 to 70 per cent more than 46 Hotel's 65 hp from the 582 its Rotax . I have seen aileron flutter on my aircraft and others have documented their experience, too. Do what you want to do when you build your aircraft. Add trim tabs and systems as you will. Balance your control surfaces or slather them with bondo to make them nice and smooth (Think it hasn't been done?) Please be aware that you are working in a dangerous area and act responsibly. Or not. -- Rick Girard "Pining for a home on the Range"


    Message 5


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    Time: 08:20:59 AM PST US
    Subject: Re: engine
    From: "JetPilot" <orcabonita@hotmail.com>
    --> Kolb-List message posted by: "JetPilot" <orcabonita@hotmail.com> "Parts are still readily available for the engine, according to David " a new head complete sells for $75.00 and you can rebuild the complete bottom end, rings, pistons, and connecting rods for $120.00." David was offering a show special on the engine, with a prop hub, prop and engine accessories for for $1295.00 U.S." Its a bit low on power, the the price is right !!!! -------- NO FEAR - If you have no fear you did not go as fast as you could have !!! Read this topic online here: http://forums.matronics.com/viewtopic.php?p=14123#14123


    Message 6


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    Time: 08:33:52 AM PST US
    Subject: Re: Observations on flutter by an amateur
    From: "JetPilot" <orcabonita@hotmail.com>
    --> Kolb-List message posted by: "JetPilot" <orcabonita@hotmail.com> Thanks for the observations Rick ! The more I read the more it become obvious how important it is to balance control surfaces. Kolb MK-III's now come with an aileron balancing standard, and I am also adding a counter balance to my rudder. The only thing I would take issue on is the requirement to keep hands and feet on the controls at all times. The design of the aircraft needs to be so that it will fly without the pilot holding on to prevent flutter. That is my limit, I would not enjoy flying an aircraft where I could not take my feet or hands off the controls for fear of flutter. I will balance my surfaces so that they will not flutter hands off. As far as trim tabs, I have abondoned my plan to put them on my MKIII Xtra. As much as I would love aerodynamic trims, they require lots of testing to acheive the right design, weight, mounting etc.... And the results can be fatal if a mistake is made. I will live with stock bungee trim system for now, cumbersome as it may be. Michael A. Bigelow -------- NO FEAR - If you have no fear you did not go as fast as you could have !!! Read this topic online here: http://forums.matronics.com/viewtopic.php?p=14124#14124


    Message 7


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    Time: 09:34:13 AM PST US
    Subject: NEw american engine manufacturer...ROTAMAX
    From: "Don G" <donghe@one-eleven.net>
    --> Kolb-List message posted by: "Don G" <donghe@one-eleven.net> Gents.. I just returned from the AMA show in Indy. Lots of great technology in the motorcycle biz, and the most interesting to me was a new engine that just went into production last month in the USA. The biggest suprise I thought was they are actually promoteing their engine to the AViation market!! INcludeing experimental , part 103, and certified. Although admittedly due to the small Aviation market, their efforts at advertiseing in this venue are virtually non-existant, but they definately want to sell into our market, according to their personnell working the booth. This alone made me interested. After looking over their engines, I was even more so. As far as I could discern from theirs reps, they dont have a ready available reduction unit for us, but are aware of our needs (2500 rpms or so at the prop shaft) and are very willing to talk about fitting existing gearboxs to their engine for anybody. The current production is a single rotor 25 hp, a single rotor 85 hp and a twin rotor 160 hp. with the single rotor 85 weighing 106 lbs....if any of you are interested...check em out at: http://rotamax.net/index.html Oh ya...one more thing...the fuel consumption rate they claim is .61lbs per Hp Hour. this wont touch a 4 stroke but betters the current 2 strokes we all have come to love!..hehe :-) -------- Don G FireFly#098 http://www.geocities.com/dagger369th/my_firefly.htm Read this topic online here: http://forums.matronics.com/viewtopic.php?p=14142#14142


    Message 8


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    Time: 09:40:05 AM PST US
    From: HShack@aol.com
    Subject: Re: engine
    --> Kolb-List message posted by: HShack@aol.com In a message dated 2/22/2006 11:21:41 AM Eastern Standard Time, orcabonita@hotmail.com writes: "Parts are still readily available for the engine, according to David " a new head complete sells for $75.00 and you can rebuild the complete bottom end, rings, pistons, and connecting rods for $120.00." David was offering a show special on the engine, with a prop hub, prop and engine accessories for for $1295.00 U.S." Its a bit low on power, the the price is right !!!! Ahh, the Vogel 4A032............again. Parts & new engines can be bought from surplus military sources [ www.saturnsurplus.com ] for less than half his price. They can be bought at auction from the military for much less. Check out surplusengines@yahoogroups.com. No way this engine will ever make 30 hp. Don't think any plane is flying with one. I have an almost-new one if interested. Do Not Archive Howard Shackleford FS II SC


    Message 9


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    Time: 10:18:33 AM PST US
    From: Kirby Dennis Contr MDA/AL <Dennis.Kirby@kirtland.af.mil>
    Subject: Brake Line Question
    --> Kolb-List message posted by: Kirby Dennis Contr MDA/AL <Dennis.Kirby@kirtland.af.mil> Dear Kolb Friends - Am seeking input on brake line components - need to know if I am using decent quality parts. While taxiing in windy conditions last weekend, I applied heavy braking force and blew out my right brake line. "Blew out" meaning, the nylon brake line separated from a Nylo-Seal union fitting along the brake line. Unfortunately, my brake lines (Nylo-Seal nylon tubing, 1/4 inch) are not continuous all the way from the master cylinder to the brake; they were too short and I had to install a union to extend them. Initial plans are to simply reconnect the union to the brake line. But I am wondering if these Nylo-Seal fittings are good quality, or if there are better fittings that other Kolb builders have used. Any advice is helpful ... thanks! Dennis Kirby Mark-3, 912 Cedar Crest, NM


    Message 10


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    Time: 12:14:34 PM PST US
    From: robert bean <slyck@frontiernet.net>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: robert bean <slyck@frontiernet.net> Dennis, is the nylo-seal a plastic fitting? Laboratory poly-flow fittings are smaller and available in stainless or brass. Not sure where to buy them anymore. Last ones I bought were at my job 10 years ago. Most "big science" labs have them in stock. For metal lines the ultimate fittings are "swagelok" -bulletproof. -BB On 22, Feb 2006, at 1:14 PM, Kirby Dennis Contr MDA/AL wrote: > --> Kolb-List message posted by: Kirby Dennis Contr MDA/AL > <Dennis.Kirby@kirtland.af.mil> > > Dear Kolb Friends - > > Am seeking input on brake line components - need to know if I am using > decent quality parts. > > While taxiing in windy conditions last weekend, I applied heavy braking > force and blew out my right brake line. "Blew out" meaning, the nylon > brake > line separated from a Nylo-Seal union fitting along the brake line. > > Unfortunately, my brake lines (Nylo-Seal nylon tubing, 1/4 inch) are > not > continuous all the way from the master cylinder to the brake; they > were too > short and I had to install a union to extend them. > > Initial plans are to simply reconnect the union to the brake line. > But I am > wondering if these Nylo-Seal fittings are good quality, or if there are > better fittings that other Kolb builders have used. > > Any advice is helpful ... thanks! > > Dennis Kirby > Mark-3, 912 > Cedar Crest, NM > >


    Message 11


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    Time: 12:50:52 PM PST US
    From: "pat ladd" <pj.ladd@btinternet.com>
    Subject: fuel tanks
    --> Kolb-List message posted by: "pat ladd" <pj.ladd@btinternet.com> Hi All, I noticed on L`il Hustlers flight shop web page that they are selling fuel tanks for attaching to the wing struts. I don`t think there is a snowklakes chance in hell to get permission to fit such a thing in the UK. In fact, looking at the pic I am nou sure I would want to anyway. Has anyone on the list fitted them or have any info. Pat do not archive --


    Message 12


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    Time: 01:44:16 PM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> I'm prob'ly gonna get flamed good for this, Dennis, but when I was putting Vamoose together I looked at those plastic brake lines and thought about years of negative experience with similar things in the desert. Couldn't stand the idea of 'em, so changed to all steel lines. 'Course the thing is still ground-bound so it's all theory, but I still don't like the idea of plastic in such an area. That said, I know many are flying with them and will undoubtedly defend them to the max. Lar. Do not Archive. Larry Bourne Palm Springs, CA Building Kolb Mk III N78LB Vamoose www.gogittum.com ----- Original Message ----- From: "Kirby Dennis Contr MDA/AL" <Dennis.Kirby@kirtland.af.mil> Sent: Wednesday, February 22, 2006 10:14 AM Subject: Kolb-List: Brake Line Question > --> Kolb-List message posted by: Kirby Dennis Contr MDA/AL > <Dennis.Kirby@kirtland.af.mil> > > Dear Kolb Friends - > > Am seeking input on brake line components - need to know if I am using > decent quality parts. >


    Message 13


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    Time: 02:18:25 PM PST US
    From: "Kirk Smith" <snuffy@usol.com>
    Subject: Re: best price on 503
    --> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com> > Here's a photo of the engines temporarily mounted. The struts are attached to the original mount with Lord mounts. The engines are each mounted on the struts with their own set of Barry mounts. > > -------- > Dave Looks nice. I wonder what would happen if the belt broke on one engine while they were in full throttle climbout? A free wheeling prop on one side and full thrust on the other would sure make it want to twist those struts and lord mounts. Kirk Do not archive


    Message 14


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    Time: 03:19:06 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> But I am | wondering if these Nylo-Seal fittings are good quality, or if there are | better fittings that other Kolb builders have used. | | Any advice is helpful ... thanks! | | Dennis Kirby | Mark-3, 912 | Cedar Crest, NM Based on experience of plastic lines on my MKIII and FS, you have the correct set up. If I had to guess, I would guess it was an improper connection (mechanic error) that caused the fitting to blow the line. My system gets worked out most every time I land with maximum braking. Never had a problem. In fact, when I eventually lost both main wheels at Muncho Lake, BC, 1 July 2000, one of the brake lines and fittings on the wheel held fast, although the plastic line was misshaped a little (permanently). I could have cut the line and reattached, but left it like it is. Works great and is a good reminder of why it is that way every time I look at it. Larry B: Metal lines are not an improvement on Kolb aircraft. I would think they are more difficult to work with, especially us amateurs. ;-) Take care, john h


    Message 15


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    Time: 04:24:13 PM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> I'm well aware that the plastic lines have done well for some, and some plastics are amazingly strong - when new. My experience with plastics exposed to the desert sun has been, for the most part, extremely negative. Some, such as linear polyethylene seem to do fairly well, as do some black lines, but telling the difference is very difficult, if not impossible. I don't want to take the chance. Purpose made metal brake lines and fittings from NAPA are easy to work with and very strong, as well as being reasonably priced. I doubt if the few ounces extra weight would make much, if any, difference. Lar. Larry Bourne Palm Springs, CA Building Kolb Mk III N78LB Vamoose www.gogittum.com ----- Original Message ----- From: "John Hauck" <jhauck@elmore.rr.com> Sent: Wednesday, February 22, 2006 3:17 PM > on the wheel held fast, although the plastic line was misshaped a > little (permanently). I could have cut the line and reattached, but > left it like it is. Works great and is a good reminder of why it is > that way every time I look at it. > > Larry B: Metal lines are not an improvement on Kolb aircraft. I > would think they are more difficult to work with, especially us > amateurs. ;-) > > Take care, > > john h > > >


    Message 16


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    Time: 04:39:25 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> some | plastics are amazingly strong - when new. Lar. Come on, Larry. The plastic lines on Miss P'fer are very old, have spent a lot of time in the desert, and are still serviceable, or they were last time I flew her. Probably burst next time we go fly. ;-) john h


    Message 17


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    Time: 05:19:54 PM PST US
    From: "Steve Garvelink" <link@cdc.net>
    Subject: Brake Line Question
    --> Kolb-List message posted by: "Steve Garvelink" <link@cdc.net> Are these lines uv protected? Steve Garvelink -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of John Hauck Sent: Wednesday, February 22, 2006 7:39 PM Subject: Re: Kolb-List: Brake Line Question --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> some | plastics are amazingly strong - when new. Lar. Come on, Larry. The plastic lines on Miss P'fer are very old, have spent a lot of time in the desert, and are still serviceable, or they were last time I flew her. Probably burst next time we go fly. ;-) john h


    Message 18


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    Time: 05:30:19 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> | | Steve Garvelink I have no idea if they are UV protected or not. I do know they work and have a good deal of longevity on my airplane. john h


    Message 19


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    Time: 05:35:35 PM PST US
    From: ElleryWeld@aol.com
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: ElleryWeld@aol.com Dennis You can have steel braided lines made up there much stronger and they look better also Ellery do not archive


    Message 20


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    Time: 06:32:07 PM PST US
    Subject: Re: Brake Line Question
    From: "John Hauck" <jhauck@elmore.rr.com>
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> Took a look at Aircraft Spruce's web site. They have Nylo-Seal tubing in natural 1500 psi and black 2500 psi. Tried to find out some info on the black 2500 psi, but failed to come up with anything. Neither says anything about UV protection, but the black "might" be better suited for life in a high UV environment than the natural, based on color alone. Anybody got any info on Nylo-Seal. I have never had a problem with it, nor have I heard of anyone else having a tubing failure, not a line blown off a fitting type failure. -------- John Hauck MKIII/912ULS hauck's holler, alabama Read this topic online here: http://forums.matronics.com/viewtopic.php?p=14252#14252


    Message 21


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    Time: 07:44:21 PM PST US
    From: DAquaNut@AOL.COM
    Subject: Re: Penzoil
    --> Kolb-List message posted by: DAquaNut@aol.com Saw on the rotax list where it was said Penzoil 2- cycle oil goes bad in about a year on the shelf. Any one else heard that, and is there any truth to it? Ed


    Message 22


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    Time: 07:55:38 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Penzoil
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> bad in | about a year on the shelf. Any one else heard that, and is there any truth to it? | | | | Ed Pennzoil must be pretty sensitive. ;-) I had a couple two or three gals of Wal*Mart TCW3 two cycle oil left over from my last two stroke in the MKIII that melted down Sep 1993. Couple years ago I off loaded it on james tripp so he could break in his new 503 on his new FSII. He did just that, plus flew all over Hell's half acre, including Labhart Field, KY, before it was Labhart Field. James went right through that batch of oil and, as far as I know, he is still burning up all the Wal*Mart TCW3 oil he can get his hands on. That old oild was about 12 or 13 years old when I gave it to James. I would think Pennzoil would last about as long as I will. john h MKIII


    Message 23


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    Time: 08:50:41 PM PST US
    From: "Richard & Martha Neilsen" <neilsenrmf@comcast.net>
    Subject: Re: Brake Line Question
    --> Kolb-List message posted by: "Richard & Martha Neilsen" <neilsenrmf@comcast.net> Dennis I have had quite a bit of trouble with the original plastic/nylon what ever they are brake lines that came with my matco brakes. I have blown the lines off the fittings 2 or 3 times. I'm fairly certain that my problem was I didn't tighten them correctly. What I did find was that once they were blown off they seem to blow off again much easer. Since I replaced the lines with new ones and got them good and tight they haven't blown off again. I wouldn't be too concerned with the quality of the lines or fittings. Just get them installed correctly. Rick Neilsen Redrive VW powered MKIIIc ----- Original Message ----- From: "Kirby Dennis Contr MDA/AL" <Dennis.Kirby@kirtland.af.mil> Sent: Wednesday, February 22, 2006 1:14 PM Subject: Kolb-List: Brake Line Question > --> Kolb-List message posted by: Kirby Dennis Contr MDA/AL > <Dennis.Kirby@kirtland.af.mil> > > Dear Kolb Friends - > > Am seeking input on brake line components - need to know if I am using > decent quality parts. > > While taxiing in windy conditions last weekend, I applied heavy braking > force and blew out my right brake line. "Blew out" meaning, the nylon > brake > line separated from a Nylo-Seal union fitting along the brake line. > > Unfortunately, my brake lines (Nylo-Seal nylon tubing, 1/4 inch) are not > continuous all the way from the master cylinder to the brake; they were > too > short and I had to install a union to extend them. > > Initial plans are to simply reconnect the union to the brake line. But I > am > wondering if these Nylo-Seal fittings are good quality, or if there are > better fittings that other Kolb builders have used. > > Any advice is helpful ... thanks! > > Dennis Kirby > Mark-3, 912 > Cedar Crest, NM > > >


    Message 24


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    Time: 09:06:12 PM PST US
    From: WhiskeyVictor36@aol.com
    Subject: Re: best price on 503
    --> Kolb-List message posted by: WhiskeyVictor36@aol.com In a message dated 2/20/2006 1:16:32 A.M. Eastern Standard Time, lcottrel@kfalls.net writes: I am considering upgrading to a 503 for my firestar II, and was wondering if any one in this great group of knowledge, would know the best (cheapest) place to obtain this engine? Check with the New Kolb Co. My buddy just got a new 447 and after checking out prices with other distributors, Kolb offered the best deal. Included extras such as: engine mount plate, cables, muffler assembly, fuel pump, etc. As I understand, it's like getting the engine kit part of a Kolb kit. Bill Varnes Original Kolb FireStar Audubon NJ Do Not Archive




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