Kolb-List Digest Archive

Fri 08/14/09


Total Messages Posted: 25



Today's Message Index:
----------------------
 
     1. 12:34 AM - Re: Re: 447 problem (Tony Oldman)
     2. 02:09 AM - Re: Re: 447 problem (pj.ladd)
     3. 02:55 AM - Re: Re: 447 problem (Tony Oldman)
     4. 03:39 AM - Re: Re: 447 problem (Richard Girard)
     5. 04:25 AM - Re: Re: 447 problem (pj.ladd)
     6. 06:13 AM - Re: Re: 447 problem (russ kinne)
     7. 07:18 AM - Re:Mikuni pump info (Arksey@aol.com)
     8. 08:25 AM - Re: Re: 447 problem (b young)
     9. 10:05 AM - Re: Re: 447 problem (Blumax008@aol.com)
    10. 10:33 AM - Re: 447 problem (william sullivan)
    11. 10:34 AM - Re: Re: 447 problem (russ kinne)
    12. 12:43 PM - Re: Re: 447 problem (Mike Welch)
    13. 01:11 PM - Re: Re: 447 problem (Jack B. Hart)
    14. 01:53 PM - Mikuni fuel pump failure (Lanny Fetterman)
    15. 02:13 PM - Re: Re: 447 problem (John Hauck)
    16. 02:19 PM - Re: 447 problem (JetPilot)
    17. 02:20 PM - Re: 447 problem (JetPilot)
    18. 02:23 PM - Re: Mikuni pump info (JetPilot)
    19. 04:19 PM - Brad Stump (John Hauck)
    20. 06:15 PM - Re: Brad Stump (JetPilot)
    21. 06:33 PM - Re: Re: Brad Stump (John Hauck)
    22. 06:34 PM - Re: Re: Brad Stump (Jim Kmet)
    23. 06:58 PM - Re: W/B For MK III How Much Weight on Your Tialwheel ??? (ces308)
    24. 09:00 PM - Re: Brad Stump (JetPilot)
    25. 09:10 PM - Re: W/B For MK III How Much Weight on Your Tialwheel ??? (JetPilot)
 
 
 


Message 1


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    Time: 12:34:45 AM PST US
    From: "Tony Oldman" <aoldman@xtra.co.nz>
    Subject: Re: 447 problem
    Boys do not throw the toys out of the cot. You are all very interesting folk and contribute a lot. Your input may just save someones butt" if it has not already done so" I only have 400hrs with 447 and 503s and have all the nastys like outboard prime bulbs , by passes and such, and while I respect the opinion of those that oppose these things ,they have served me well.The reasons they are not considered good practice do focus me some what when doing pre flight checks, so while I still use these things ,the reasons not to, put on this list have at least brought there failings to my attention and I am now better informed and operate accordingly.Being prepared and for warned is a good thing. 4 or 40,000 hours we are still all learning . keep the information flowing . In this way the Kolbs we all on this list love to fly will serve us well for many years to come. Downunder MK111c 300hrs in Kolbs Some more hrs in other things { stay safe up there } As my instructor used to say "in god we trust, everything else we check twice" ----- Original Message ----- From: "John Hauck" <jhauck@elmore.rr.com> Sent: Friday, August 14, 2009 3:26 PM Subject: Re: Kolb-List: Re: 447 problem > > > >> If you tell me you never had any trouble in almost 10 years of use of > those >>> pumps, that could mean 10 minutes or 100 hours. Who knows? >>> >>> john h >>> mkIII - Flying it 17 years...and 2,980+ flight hours. >> >> >> Ok, that's it. I've told you multiple times now how much time I have with >> them and that's already too many times. You're free to believe what you >> want - that I have 0, 1, 5, 500 or 5000 hours. Go for it. >> >> Regarding the advice and experience I've shared, you can verify what I've >> told you with any number of other experienced 2-stroke fliers. If you >> think everything I'm telling you is crap, then I'm done telling it to >> you. Feel free to get your 2-stroke experience and advice elsewhere. I'll >> take mine elsewhere also. >> >> I'm done with you, and done with the list. >> >> LS > > > No one is questioning your experience, but 10 years is not relative when > it comes to operating an engine. If you want to impress the Kolb List > with your experience, then you need to express it in hours, not years. > > I have no desire to verify your experience, but it would help if you > express it so we can understand it. > > john h > mkIII > > >


    Message 2


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    Time: 02:09:53 AM PST US
    From: "pj.ladd" <pj.ladd@btinternet.com>
    Subject: Re: 447 problem
    Hi Tony Oldman, Is `down under` Oz or NZ? If in NZ, where are you? I have taken a house on the beach in Russel in the Bay of Islands for all of Feb next year and if you happen to be in that area I would like to make contact. Cheers Pat in the UK


    Message 3


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    Time: 02:55:44 AM PST US
    From: "Tony Oldman" <aoldman@xtra.co.nz>
    Subject: Re: 447 problem
    NZ ,South Island ,Timaru. You will like Russel. NZs first capital. Treaty of Waitangi [ our founding document } was signed not far from Russel. We are still trying to work out what it actualy means. Keeps lawyers and politicians gainfully employed . If you find you way this far South I will definatly take the time to meet up . Feb will be a all on month.Boating on lake Benmore and vintage car stuff to do ,can always fit some Kolb flying in as well. Regards Tony ----- Original Message ----- From: "pj.ladd" <pj.ladd@btinternet.com> Sent: Friday, August 14, 2009 9:05 PM Subject: Re: Kolb-List: Re problem > > Hi Tony Oldman, > > Is `down under` Oz or NZ? If in NZ, where are you? > > I have taken a house on the beach in Russel in the Bay of Islands for all > of Feb next year and if you happen to be in that area I would like to make > contact. > > Cheers > > Pat in the UK > > >


    Message 4


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    Time: 03:39:44 AM PST US
    Subject: Re: 447 problem
    From: Richard Girard <aslsa.rng@gmail.com>
    As Marx said, " I wouldn't belong to any group that would have me as a member". Groucho, that is, and loosely quoted at that. Rick Girard do not archive On Thu, Aug 13, 2009 at 10:08 PM, lucien <lstavenhagen@hotmail.com> wrote: > > > John Hauck wrote: > > > > > > If you tell me you never had any trouble in almost 10 years of use of > those > > pumps, that could mean 10 minutes or 100 hours. Who knows? > > > > john h > > mkIII - Flying it 17 years...and 2,980+ flight hours. > > > Ok, that's it. I've told you multiple times now how much time I have with > them and that's already too many times. You're free to believe what you want > - that I have 0, 1, 5, 500 or 5000 hours. Go for it. > > Regarding the advice and experience I've shared, you can verify what I've > told you with any number of other experienced 2-stroke fliers. If you think > everything I'm telling you is crap, then I'm done telling it to you. Feel > free to get your 2-stroke experience and advice elsewhere. I'll take mine > elsewhere also. > > I'm done with you, and done with the list. > > LS > > -------- > LS > Titan II SS > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=257605#257605 > >


    Message 5


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    Time: 04:25:36 AM PST US
    From: "pj.ladd" <pj.ladd@btinternet.com>
    Subject: Re: 447 problem
    NZ ,South Island ,Timaru Hi Tony, We have been to NZ four or five times touring. Flown gliders at Omarama. Flown out of Queenstown to Milford Sound. Been to Wanaka, unfortunately not during the Wings over Wanaka but I had a look around the workshops there. This time, and I think I am getting to old to make another long distance trip, we decided to stay in one place. If I could put the clock back I would have emigrated to NZ 40 years ago. Cheers Pat


    Message 6


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    Time: 06:13:30 AM PST US
    From: russ kinne <russ@rkiphoto.com>
    Subject: Re: 447 problem
    Lucien, I've enjoyed reading your comments, and profited from them too. I'd be very sorry to see an experienced pilot like yourself go, as would many others on the List. Your inputs have always been well- informed, well thought out, good, and valuable (and I can't say that for some of the others posted). No one's challenging your information. John only pointed out that "years of operation" really doesn't tell us much, whereas "hours of operation" would be a good yardstick. I'm sure no insult was intended. Can't you be a little patient with us? Russ K not-yet-Kolber On Aug 13, 2009, at 11:08 PM, lucien wrote: > > > John Hauck wrote: >> >> >> If you tell me you never had any trouble in almost 10 years of use >> of those >> pumps, that could mean 10 minutes or 100 hours. Who knows? >> >> john h >> mkIII - Flying it 17 years...and 2,980+ flight hours. > > > Ok, that's it. I've told you multiple times now how much time I > have with them and that's already too many times. You're free to > believe what you want - that I have 0, 1, 5, 500 or 5000 hours. Go > for it. > > Regarding the advice and experience I've shared, you can verify > what I've told you with any number of other experienced 2-stroke > fliers. If you think everything I'm telling you is crap, then I'm > done telling it to you. Feel free to get your 2-stroke experience > and advice elsewhere. I'll take mine elsewhere also. > > I'm done with you, and done with the list. > > LS > > -------- > LS > Titan II SS > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=257605#257605 > >


    Message 7


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    Time: 07:18:02 AM PST US
    From: Arksey@aol.com
    Subject: Re:Mikuni pump info
    As there has been discussion on the pulse pump I thought I would share this info...Mike Stratman states in the CPS California Power Systems Catalog that a vertical rise of no more than 39" can be accepted out of any pulse pump. Anything higher and count on deliver problems. Another thing to remember is that the pulse pump is always limlted to the pressures or pumping value of the crankcase. Also keep in mind that the fuel pressure available will fall off as the crank seals and gaskets begin to leak over time. Hope you find this info helpful. jswan do not archive JIM SWAN firestar ll, 503, N663S Eaton Rapids, Mi. 48827 PH 517-663-8488 runway 2300' E & W (42-28.58N 084-44.69 W )


    Message 8


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    Time: 08:25:44 AM PST US
    From: "b young" <by0ung@brigham.net>
    Subject: Re: 447 problem
    The other thing I would do is buy a really good fuel filter like this 10 micron stainless steel filter from Aircraft Spruce. http://www.aircraftspruce.com/catalog/appages/micron10.php >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>. To put things in perspective,,,, been told that cigarette smoke is 4 microns. Boyd Young


    Message 9


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    Time: 10:05:26 AM PST US
    From: Blumax008@aol.com
    Subject: Re: 447 problem
    In a message dated 8/14/2009 11:26:23 A.M. Eastern Daylight Time, by0ung@brigham.net writes: The other thing I would do is buy a really good fuel filter like this 10 micron stainless steel filter from Aircraft Spruce. This award winning high performance billet, stainless steel, washable and reusable Filter is USA made, high performance billet, stainless steel, washable and reusable superb flow filters. For those who want and appreciate quality, these high performance billet, stainless steel, washable and reusable filter will take you to the highest level of filtration performance. Let me get this straight once & for all...ARE THEY ABSOLUTELY SURE THAT IT'S A... "high performance billet, stainless steel, washable & reusuable?" ...by the way, what the hell is a billet?...


    Message 10


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    Time: 10:33:55 AM PST US
    From: william sullivan <williamtsullivan@att.net>
    Subject: Re: 447 problem
    - A billet is a solid block of metal.- You machine away anything that d oesn't look like the finished product. - ------------------------- ------------------------ Bi ll Sullivan ------------------------- ------------------------ Wi ndsor Locks, Ct. ------------------------- ------------------------ FS 447


    Message 11


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    Time: 10:34:26 AM PST US
    From: russ kinne <russ@rkiphoto.com>
    Subject: Re: 447 problem
    A billet is a small bill. do not archive On Aug 14, 2009, at 1:01 PM, Blumax008@aol.com wrote: > In a message dated 8/14/2009 11:26:23 A.M. Eastern Daylight Time, > by0ung@brigham.net writes: > The other thing I would do is buy a really good fuel filter like > this 10 micron stainless steel filter from Aircraft Spruce. > This award winning high performance billet, stainless steel, > washable and reusable Filter is USA made, high performance billet, > stainless steel, washable and reusable superb flow filters. For > those who want and appreciate quality, these high performance > billet, stainless steel, washable and reusable filter will take you > to the highest level of filtration performance. > > Let me get this straight once & for all...ARE THEY ABSOLUTELY SURE > THAT IT'S A... > > "high performance billet, stainless steel, washable & reusuable?" > > ...by the way, what the hell is a billet?... > >


    Message 12


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    Time: 12:43:16 PM PST US
    From: Mike Welch <mdnanwelch7@hotmail.com>
    Subject: Re: 447 problem
    Russ! You beat me to it!!! Mike Welch From: russ@rkiphoto.com Subject: Re: Kolb-List: Re: 447 problem A billet is a small bill. do not archive On Aug 14=2C 2009=2C at 1:01 PM=2C Blumax008@aol.com wrote: In a message dated 8/14/2009 11:26:23 A.M. Eastern Daylight Time=2C by0ung@ brigham.net writes: The other thing I would do is buy a really good fuel filter like this 10 mi cron stainless steel filter from Aircraft Spruce. This award winning high performance billet=2C stainless steel=2C washable a nd reusable Filter is USA made=2C high performance billet=2C stainless stee l=2C washable and reusable superb flow filters. For those who want and appr eciate quality=2C these high performance billet=2C stainless steel=2C washa ble and reusable filter will take you to the highest level of filtration pe rformance. Let me get this straight once & for all...ARE THEY ABSOLUTELY SURE THAT IT' S A... "high performance billet=2C stainless steel=2C washable & reusuable?" ...by the way=2C what the hell is a billet?... href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics. com/Navigator?Kolb-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/con tribution _________________________________________________________________ Express your personality in color! Preview and select themes for Hotmail=AE . http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=PID233 91::T:WLMTAGL:ON:WL:en-US:WM_HYGN_express:082009


    Message 13


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    Time: 01:11:16 PM PST US
    From: "Jack B. Hart" <jbhart@onlyinternet.net>
    Subject: Re: 447 problem
    At 08:56 AM 8/14/09 -0400, you wrote: > >>> If you tell me you never had any trouble in almost 10 years of use >>> of those >>> pumps, that could mean 10 minutes or 100 hours. Who knows? >>> >>> john h >>> mkIII - Flying it 17 years...and 2,980+ flight hours. >> Still waiting for the first mikuni pulse pump failure after flying with one for 267+ hours. I believe I am correct in that John's engine on his MKIII does not use a mikuni pulse pump so the year and flight hour totals he lists do not mean much to this discussion. Jack B. Hart FF004 Winchester, IN


    Message 14


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    Time: 01:53:14 PM PST US
    From: Lanny Fetterman <donaho1@verizon.net>
    Subject: Mikuni fuel pump failure
    Hi all, Back when I was flying a Quicksilver MX, I had a fuel pump go south on me. It was a Mikuni rectangular pump. There are little flapper valves in that pump and one of the flappers folded under itself during flight. The 377 kept running, however, I could not climb or maintain altitude. I was slowly going down ( to my way of thinking SLOW is the best way to have a forced landing) I knew I couldn`t make it back to Numidia International ( a small grass strip in Numidia Pa.). So I chose a farmers field that was fresh cut straw, the bails were already picked up. I landed without incident and within 15 minutes had five or six people that saw me go down helping me take the MX apart for transport. I love it when a plan comes together. Lanny Fetterman FSII N598LF


    Message 15


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    Time: 02:13:58 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: 447 problem
    > Still waiting for the first mikuni pulse pump failure after flying with one > for 267+ hours. I believe I am correct in that John's engine on his MKIII > does not use a mikuni pulse pump so the year and flight hour totals he > lists > do not mean much to this discussion. > > Jack B. Hart FF004 Jack H: The time in my signature block has was not intended to add anything to this discussion. However, had I only listed the years flown, that information would tell the reader absolute nothing about how long this airplane had been flying, other than it first flew 17 years ago. Was trying to get Lucien S to express experience with Mikuni fuel pumps in hours, rather than years. Gives me a better understanding of "use" and expected length of reliability. He may fly 100 hours or 1000 hours in 10 years. Hell, I don't know. I used single and double Mikunis on ULII02, 447, and 582, on my own Kolb aircraft, and have flown other factory aircraft a bit. My time in my own Kolb powered two strokes was a little over 1,300 hours. I only had a Mikuni fuel pump problem once in all that time, between 1984 and 1993. I bought a rebuild kit to carry with me on my flight to New England and Oshkosh in 1989. When I got to the Flight Farm at Monterey, NY, I decided to put the new diaphragm in because I would be flying in some bad country doing the New England States, and across Niagara Falls for the second year. Next flight I had an engine failure. Dug the old diaphragm out of the garbage can and reinstalled it. Made the rest of the flight to Oshkosh and back to Alabama on the old one. Leaf would not reimburse me for the cost of the kit. It was an after market no name kit from some unknown country. I assumed it was a Mikuni part. Live and learn. Last item I bought from LEAF. I've pulled fuel with Mikunis a pretty good distance. As far away as the bottom of a Ken Brock seat tank in my Firestar. Was also a good pull from the Ultrastar tanks under my knees to the pump behind my head on top of the engine. As far a Mikuni pulse pump, the UL/Lt Plane market is a very small piece of their market. I have a 35 year old Kubota diesel tractor that uses a Mikuni pulse pump that has been pumping for the last 35 years and more than 2500 hours. Never even think about it. Would be afraid to look at it now. ;-) Reliability, to me, of a Mikuni pulse pump is phenomenal. Probably one of the best systems available. john h mkIII - Sitting in the hanger collecting barn dust and bug/bird crap.


    Message 16


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    Time: 02:19:26 PM PST US
    Subject: Re: 447 problem
    From: "JetPilot" <orcabonita@hotmail.com>
    russ(at)rkiphoto.com wrote: > > > Let me get this straight once & for all...ARE THEY ABSOLUTELY SURE THAT IT'S A... > > "high performance billet, stainless steel, washable & reusuable?" > > ...by the way, what the hell is a billet?... > > > The description is pretty self explanatory Billet = Billet refers to a cast semi finished product. It is also referred to as ingot, particularly for smaller sizes. A billet is typically cast to a rectangular, hexagonal or round cross section compatible with secondary processing, e.g. forging or milling. It can be produced either as coil or cut lengths. Ingots and billets are collectively known as bar stock. The filter case starts life as a billet piece of aluminum, and is machined to the proper shape. The aluminum filter Never breaks, cracks, or get soft due to ethanol or water. Stainless Steel mesh element also impervious to ethanol and water, and does a much better job of filtering than Paper for fiber ever will. I have two of these filters in two airplanes, my carb bowls are always so clean I could drink wine out of them if I wanted to :) The filter is expensive at 80 dollars, but its not as expensive as having an engine failure and off field landing with aircraft damage due to clogged or faulty cheap filter that can fail in any number of ways... Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257699#257699


    Message 17


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    Time: 02:20:11 PM PST US
    Subject: Re: 447 problem
    From: "JetPilot" <orcabonita@hotmail.com>
    russ(at)rkiphoto.com wrote: > > > Let me get this straight once & for all...ARE THEY ABSOLUTELY SURE THAT IT'S A... > > "high performance billet, stainless steel, washable & reusuable?" > > ...by the way, what the hell is a billet?... > > > The description is pretty self explanatory Billet = Billet refers to a cast semi finished product. It is also referred to as ingot, particularly for smaller sizes. A billet is typically cast to a rectangular, hexagonal or round cross section compatible with secondary processing, e.g. forging or milling. It can be produced either as coil or cut lengths. Ingots and billets are collectively known as bar stock. The filter case starts life as a billet piece of aluminum, and is machined to the proper shape. The aluminum filter Never breaks, cracks, or get soft due to ethanol or water. Stainless Steel mesh element also impervious to ethanol and water, and does a much better job of filtering than Paper for fiber ever will. I have two of these filters in two airplanes, my carb bowls are always so clean I could drink wine out of them if I wanted to :) The filter is expensive at 80 dollars, but its not as expensive as having an engine failure and off field landing with aircraft damage due to clogged or faulty cheap filter that can fail in any number of ways... http://www.aircraftspruce.com/catalog/appages/micron10.php Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257700#257700


    Message 18


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    Time: 02:23:51 PM PST US
    Subject: Re: Mikuni pump info
    From: "JetPilot" <orcabonita@hotmail.com>
    That is very good information Jim, This is exactly what I was talking about, the pulse pump is very limited, prone to failure, and I would not trust it alone to keep my plane in the air. Having the Facet pump is cheap, easy to do, and increases safety by a huge amount. Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257701#257701


    Message 19


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    Time: 04:19:05 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Brad Stump
    Here is the NTSB Preliminary Accident Report on the Brad Stump Kolb MKIIIx accident. http://www.ntsb.gov/ntsb/brief.asp?ev_id 090809X12151&key=1 john h mkIII - Resting in the hanger with a lot of good hours on it.


    Message 20


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    Time: 06:15:43 PM PST US
    Subject: Re: Brad Stump
    From: "JetPilot" <orcabonita@hotmail.com>
    Even though the report is short, it has some very good information in it. From the description of the non pilot witness, maneuver sounds to me like a hammerhead stall. The fact that this was done three times and that the plane leveled out each time means that it was intentional. The flip over backwards and subsequent spin could very well happen in a badly executed hammerhead stall. John H, have you ever spun the MK III ? How many turns and what is it like ? I have seen Possums videos of spins in his Firestar, but the MK III being much heavier may be totally different in a spin. Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257721#257721


    Message 21


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    Time: 06:33:44 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Brad Stump
    > John H, have you ever spun the MK III ? How many turns and what is it like ? I have seen Possums videos of spins in his Firestar, but the MK III being much heavier may be totally different in a spin. > > Mike Mike B: I have no problem spinning my mkIII. Spins just like the Firestar and Ultrastar, but loses a little more altitude. They all like to spin nose low, almost a spiral. john h mkIII


    Message 22


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    Time: 06:34:21 PM PST US
    From: "Jim Kmet" <jlsk1@frontiernet.net>
    Subject: Re: Brad Stump
    I`ve been lurking on this topic all week,,,, the common thread seems to be the witness report, & now, it is part of the official investigation prelim. Hard to disput the statement. Yes, witness reports can be misleading, but if I, or any pilot I know of, was having a control problem, managed to get the airplane going straight up,,,,,-, three times,,,,,,, would not have gotten to the third time before I shut down the power & pulled the red handle, if I was that out of control. I have spent 3 or 4 hours with Brad, & had no clue that as a pilot, might have been pushing the envelope. But that was also before his 1st flight in his plane. Think about this, 2 times, the plane was going straight up. Then a third. If you were "out of control", those 1st 2 times, with a passenger, would you have let it gone to that third time,,,, straight up, with a BRS??? Lets let this go,,, Please. Jim Kmet Obviously affected MK-3C 912 Cookeville, TN. ----- Original Message ----- From: "JetPilot" <orcabonita@hotmail.com> Sent: Friday, August 14, 2009 8:14 PM Subject: Kolb-List: Re: Brad Stump > > Even though the report is short, it has some very good information in it. > From the description of the non pilot witness, maneuver sounds to me like > a hammerhead stall. The fact that this was done three times and that the > plane leveled out each time means that it was intentional. The flip over > backwards and subsequent spin could very well happen in a badly executed > hammerhead stall. > > John H, have you ever spun the MK III ? How many turns and what is it > like ? I have seen Possums videos of spins in his Firestar, but the MK > III being much heavier may be totally different in a spin. > > Mike > > -------- > &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you > could have !!! > > Kolb MK-III Xtra, 912-S > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=257721#257721 > > >


    Message 23


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    Time: 06:58:37 PM PST US
    Subject: Re: W/B For MK III How Much Weight on Your Tialwheel ???
    From: "ces308" <ces308@ldaco.com>
    Hi Mike....I haven't forgotten you....I will get the figures tomorrow... Do you have VG's on the bottom of your horz stab?? And if you do...how many?? chris ambrose M3X/jab 48 + hrs N327CS Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257729#257729


    Message 24


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    Time: 09:00:41 PM PST US
    Subject: Re: Brad Stump
    From: "JetPilot" <orcabonita@hotmail.com>
    Jim, As a community it is important for us to do our best to understand this and every Kolb accident so that others can avoid the same fate. In any accident involving aviation, an investigation and this kind of discussion takes place and rightfully so, it saves lives. Given that you knew Brad makes it harder, but this is part of the process. My uncle was recently killed in a Sailplane setting an altitude record, and everyone in his sailplane club, including his family did all we could to figure out what caused the accident so that others flying sailplanes would not suffer the same fate. My uncle Dave was a very smart and nice guy that cared for his fellow flyers, I know without a doubt that he would have wanted us to figure out what happened and advise the flying community, as I am sure most pilots would. Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257746#257746


    Message 25


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    Time: 09:10:14 PM PST US
    Subject: Re: W/B For MK III How Much Weight on Your Tialwheel ???
    From: "JetPilot" <orcabonita@hotmail.com>
    Hi Chris, I never got around to putting the VG's on the bottom of my horizontal stabilizer. What VG's do on the horizontal stab is to increase the authority of the elevator, especially at slow speeds, but elevator authority is already so good on my Kolb that I have just never done it. My elevator is fairly light as it is, and the trim range is perfect. It would be interesting to try one day, but other things I want to do to my Kolb are more important to me right now. But just so that there is no confusion, putting VG's on the wings is the best thing by far I have ever done to my Kolb, it made a new plane out of it ! I look forward to your tailwheel weight, and if you ever do put VG's on the tail of your plane, I would love to hear about that also. Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=257747#257747




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