---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Tue 11/18/03: 32 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:03 AM - Re: do not archive? (Larry Bourne) 2. 03:42 AM - instrument pod (ron wehba) 3. 08:45 AM - heavy load, high alt (Aaron Hollingsworth) 4. 09:08 AM - Re: DO NOT ARCHIVE (Aaron Hollingsworth) 5. 09:36 AM - fuel pump backup (ul15rhb@juno.com) 6. 10:14 AM - LOC? - What's That? (Matt Dralle) 7. 10:57 AM - Pulse Pump Diaphragm Rupture (Jack & Louise Hart) 8. 12:15 PM - Re: [ Craig Nelson ] : New Email List Photo Share Available! (CaptainRon) 9. 12:22 PM - Re: 1100 gross (Richard Pike) 10. 12:31 PM - Re: fuel pump backup (Richard & Martha Neilsen) 11. 01:08 PM - plans (Paul Petty) 12. 01:24 PM - Dead Puppys... I like'm (Mike Pierzina) 13. 01:28 PM - Re: 1100 gross (Aaron Hollingsworth) 14. 01:33 PM - Re: fuel pump backup (Aaron Hollingsworth) 15. 02:40 PM - Re: Pulse Pump Diaphragm Rupture (ul15rhb@juno.com) 16. 03:10 PM - Re: 1100 gross (Richard Pike) 17. 05:17 PM - Re: 1100 gross (Denny Rowe) 18. 05:32 PM - Re: plans (Denny Rowe) 19. 05:39 PM - MK III Manners - Yaw Trim (John Hauck) 20. 05:47 PM - MK III Manners - Yaw Trim (John Hauck) 21. 05:55 PM - Re: fuel pump backup (Eugene Zimmerman) 22. 06:17 PM - Re: [ Craig Nelson ] Fuel Tank (CRAIG M NELSON) 23. 07:00 PM - Re: MK III Manners - Yaw Trim (Richard Pike) 24. 07:02 PM - 800x6 Tires on Azusa rims (WILLIAM D BRADSHAW) 25. 07:04 PM - 2SI bows out, another victom of our legal system (Denny Rowe) 26. 07:32 PM - specs (Paul Petty) 27. 07:34 PM - Re: fuel pump backup (Larry Cottrell) 28. 07:55 PM - Re: 2SI bows out, another victom of our legal system (Jim Baker) 29. 08:02 PM - Re: 2SI bows out, another victom of our legal system (Aaron Hollingsworth) 30. 08:16 PM - Re: 800x6 Tires on Azusa rims (John Williamson) 31. 09:30 PM - Re: 2SI bows out, another victom of our legal system (Kelvin Kurkowski) 32. 10:44 PM - Re: 2SI bows out, another victom of our legal system (CaptainRon) ________________________________ Message 1 _____________________________________ Time: 12:03:07 AM PST US From: "Larry Bourne" Subject: Re: Kolb-List: do not archive? --> Kolb-List message posted by: "Larry Bourne" I agree with Rick - don't worry overmuch about it; let your conscience be your guide - but when trimming the excess off an answer, please leave enuf of the old message so that we know what you're replying to. I've seen many come thru where the sender says something like, "yes, you're right." Who's right ?? About what ?? Lar. Do Not Archive. Larry Bourne Palm Springs, CA Kolb Mk III - Vamoose N78LB www.gogittum.com ----- Original Message ----- From: "Richard & Martha Neilsen" Subject: Re: Kolb-List: do not archive? > --> Kolb-List message posted by: "Richard & Martha Neilsen" > > Aron > > This was useful information for the archive. This topic hasn't been kicked > around before and needed to be archived. There are some topics that get beat > to death all too often and end up on the archive like seaf.... > > Someone suggested a while back that we delete the old parts of the E-mail > when a topic gets kicked around allot so that you don't see the same > information in the archive over and over again. I think that is a good guide > line. > > Ignore the do not archive comment. > > Rick Neilsen > Redrive VW powered MKIIIc > > ----- Original Message ----- > From: "Aaron Hollingsworth" > To: > Subject: Kolb-List: do not archive? > > > > --> Kolb-List message posted by: "Aaron Hollingsworth" > > > > > I received this email: > > > > > > >You should have added do not archive to most of your posts. You have now > > >injected a large amount into the archives for others to fight thru to > find > > >useful info. Just something that you were unaware of I would suppose. > > >>>snip. > > > > WTF is the criteria for 'useful' vs. not useful? hell, I find the > discussion useful or I wouldn't have posted to begin with. I hope the next > person that buys a used Kolb can find all the information exchanged here. I > know that I find the archive very helpful. > > > > Aaron > > > > --- > DO NOT ARCHIVE" > > ________________________________ Message 2 _____________________________________ Time: 03:42:25 AM PST US From: "ron wehba" Subject: Kolb-List: instrument pod --> Kolb-List message posted by: "ron wehba" has anyone ever built a instrument pod out of pvc plumbing fittings? was at a supply house and took a couple of 45* fittings and played with them looks doable,,ideas guys,my "panal" on my ultrastar as i bought it is a little on the wobbbly side. ________________________________ Message 3 _____________________________________ Time: 08:45:51 AM PST US From: "Aaron Hollingsworth" Subject: Kolb-List: heavy load, high alt --> Kolb-List message posted by: "Aaron Hollingsworth" I hope people do not get too wrong of an idea about my 'heavy load'. I bought the plane partly because of its ability to fly a good load. That said, it will be seldom that I fly at a gross+ load, and only on nice calm days. I also did my W&B as an absolute worst case... adding at least 15-20 extra to the front to expect coats, etc. I received an email mentioning concern about me flying a gross+ load and testing changes with a passenger. I definately appreciate the concern! I was sure to test the flap change solo 5-6 crow hops, several times around the pattern before flying with another who is also a pilot and well aware of the change. Even after testing it solo we did several high speed taxis, few hops before going around the pattern. I should also mention we did this off of a 6000' runway with another mile or so of field off the end of the 6k'. With the load we were a good 300-400' before getting to the end of the runway... keeping fields below us. I certainly feel that I put safety first in these tests. The 618 seems to be a pretty beefy engine for the plane. I can only imagine what a 912 would produce. But the extra engine weight would more than likely further limit the 'beef' load. If I recall the 912 is ~50pounds heavier for only 7hp more. Moving from a 2 cycle to 4 would be a nice reliability jump though. Most pilots on this forum most likely take near sea level performance for granted. High density alt. is the norm for flying in Colorado. Meadowlake is at 6800' with average temp of 35F... so flying even at 50F you will see DA at about 7500. I can say that the Kolb design absolutely shines up here. Even with a gross+ load climb performance is better than most of the GA planes that fly out of meadowlake. Lesser performance up here is just a fact of life. It speaks volumes about the Kolbs design to get 1100+fpm solo at these DAs.. and a respectable 300-500fpm dual. regards, aaron - ----- Original Message ----- From: "John Hauck" Subject: Re: Kolb-List: DO NOT ARCHIVE > --> Kolb-List message posted by: John Hauck > > > Aaron Hollingsworth wrote: > > > Not to be unreasonable, but I don't really follow the > > archive/don't archive train of thought.... > > Aaron/All: > > Hang in there. You are relatively new to the Kolb List. > You are bound to catch on after while. I am sure that > anyone that flies a MK III powered with a 618, off a 6,800 > ASL airfield, with DA approaching 7,500 feet, overloaded by > two people that weight almost as much as the airplane will > be able to understand. hehehe > > I am tired and going to bed. Somebody else can try and > explain to Aaron about The Kolb Builders List. > > Good night, :-) > > john h > > PS: Aaron, the subject should also reflect what we are > talking about. I am bad about neglecting to change it also. > > DO NOT ARCHIVE > > ________________________________ Message 4 _____________________________________ Time: 09:08:52 AM PST US From: "Aaron Hollingsworth" Subject: Re: Kolb-List: DO NOT ARCHIVE --> Kolb-List message posted by: "Aaron Hollingsworth" hmmm... should I read this as anyone 'stupid enough'... or anyone 'skilled enough'... Since it took very little skill, the plane flys great at gross+ as long as the cg is good.... John your bluntness is appreciated. I am being as careful as I can (short of never flying with a heavy load). >From looking through the archive, 1090 is far from the heaviest load played with... the 618 seems do great at the alt. I could even get a little more out of it repitching for 6400 climb out vs the ~6200 I get now. BTW, what is the weight difference going to a 912? My plane is about 555 empty. I'll have to look up the 618 weight, but I know the E box and 72" warp is pretty heavy combo too. I would guess about 50 pounds more for a 912? I wonder how many other builders set gross for the mk3 at 1100? I noted that the plate in my plane and all paperwork was written at 1100gross. Most of its 180 hours has been with 2 heavy people it it, which may be why the builder decided to do this. Regards, aaron - ----- Original Message ----- From: "John Hauck" Subject: Re: Kolb-List: DO NOT ARCHIVE > I am sure that > anyone that flies a MK III powered with a 618, off a 6,800 > ASL airfield, with DA approaching 7,500 feet, overloaded by > two people that weight almost as much as the airplane will > be able to understand. hehehe ________________________________ Message 5 _____________________________________ Time: 09:36:34 AM PST US Subject: Kolb-List: fuel pump backup From: ul15rhb@juno.com --> Kolb-List message posted by: ul15rhb@juno.com I see nobody wants to touch this one (see below): Ralph If a facet pump is connected in series with the mechanical pump, will it still work if the mechanical pump diaphragm ruptures? The reason it may not, is the facet will pump fuel through the ruptured diaphragm, via the pulse port, into the crankcase killing the engine. I would suggest someone with a facet pump connected in series, take an old mechanical pump and purposely rupture the diaphragm, install it, and check it out, on the ground of course. A parallel arrangement will bypass the mechanical pump and be a surefire method of getting fuel to the carb(s) when needed the most. Ralph Original Firestar 16 years flying it ________________________________ Message 6 _____________________________________ Time: 10:14:26 AM PST US From: Matt Dralle Subject: Kolb-List: LOC? - What's That? --> Kolb-List message posted by: Matt Dralle Dear Listers, The List of Contributors (LOC) is a directory of everyone's name that made a Contribution during this year's List Fund Raiser. Its kind of my way of publicly thanking everyone that so generously made a Contribution to support the continued operation and upgrade of these Email Lists. This year's List of Contributors is just around the corner; I'll be posting the it on or about December 1. Support your Lists today and make sure that your name is on the upcoming LOC! Your friends will be checking, no doubt, to see if YOU make your Contribution because THEY did! :-) Support Contribution Info - http://www.matronics.com/contribution Thank you! Matt Dralle Email List Administrator Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551 925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email http://www.matronics.com/ WWW | Featuring Products For Aircraft do not archive ________________________________ Message 7 _____________________________________ Time: 10:57:52 AM PST US From: Jack & Louise Hart Subject: Kolb-List: Pulse Pump Diaphragm Rupture --> Kolb-List message posted by: Jack & Louise Hart Ralph, Searching the list for "ruptured diaphragm", "punchered diaphragm", "broken diaphragm", etc, I found no one reporting such a failure. This has to represent a lot of flying hours using pulse pumps. One reason the pulse pump is so reliable is that the diaphragm moves and infinitesimal amount to pump the amount of fuel required by one revolution of the engine. Also diaphragm flexure is limited by the pump housings so that the diaphragm can not become over stressed. The only way I can see a chance of a diaphragm rupturing is for sharp particles to get past the fuel filter pass through the pump. Jack B. Hart FF004 Jackson, MO At 05:35 PM 11/18/03 GMT, you wrote: >--> Kolb-List message posted by: ul15rhb@juno.com > > >I see nobody wants to touch this one (see below): > >Ralph > >If a facet pump is connected in series with the mechanical pump, will it >still work if the mechanical pump diaphragm ruptures? The reason it may >not, is the facet will pump fuel through the ruptured diaphragm, via the >pulse port, into the crankcase killing the engine. > >I would suggest someone with a facet pump connected in series, take an >old mechanical pump and purposely rupture the diaphragm, install it, and >check it out, on the ground of course. > >A parallel arrangement will bypass the mechanical pump and be a surefire method of getting fuel to the carb(s) when needed the most. > >Ralph >Original Firestar >16 years flying it Jack & Louise Hart jbhart@ldd.net ________________________________ Message 8 _____________________________________ Time: 12:15:36 PM PST US From: CaptainRon Subject: Re: Kolb-List: [ Craig Nelson ] : New Email List Photo Share Available! --> Kolb-List message posted by: CaptainRon Very nice Craig. do not archive ============================================ --- Email List Photo Shares wrote: > --> Kolb-List message posted by: Email List Photo > Shares > > > A new Email List Photo Share is available: > > Poster: Craig Nelson > > > Subject: Gap Seal > > > http://www.matronics.com/photoshare/vitalfx0@msn.com.1.11.17.2003/index.html > > > o Main Photo Share Index > > http://www.matronics.com/photoshare > > o Submitting a Photo Share > > If you wish to submit a Photo Share of your > own, please include the > following information along with your email > message and files: > > 1) Email List or Lists that they are > related to: > 2) Your Full Name: > 3) Your Email Address: > 4) One line Subject description: > 5) Multi-line, multi-paragraph > description of topic: > 6) One-line Description of each > photo or file: > > Email the information above and your files > and photos to: > > pictures@matronics.com > > > > Click on the > this > generous > _-> > Contributions > any other > Forums. > > http://www.matronics.com/chat > > http://www.matronics.com/subscription > http://www.matronics.com/FAQ/Kolb-List.htm > http://www.matronics.com/archives > http://www.matronics.com/photoshare > http://www.matronics.com/emaillists > > > > > ===== Ron Building M3X Southern Arizona __________________________________ ________________________________ Message 9 _____________________________________ Time: 12:22:58 PM PST US From: Richard Pike Subject: Re: Kolb-List: 1100 gross --> Kolb-List message posted by: Richard Pike I set mine at 1100 gross, because after I did my weight and balance, I figured that my problem was not getting out of the forward envelope, it was getting over gross. And since back then I had insurance with AVEMCO, and since the way the AVEMCO policy was written back then, if you did something illegal or not within the license parameters for your airplane, they didn't always have to pay off. Since my MKIII weighs 513 empty, by the time you add two big adults and 15 gallons of fuel, 1000 gross is kinda' difficult. Obviously the airplane is safe at 1100 pounds, and probably also at 1200, (when flown sensibly) since there are some high time ones successfully doing it. So I gave myself a 90 pound legal/paperwork margin that I have not gotten close to and don't have to worry about. Richard Pike MKIII N420P (420ldPoops) do not archive At 10:08 AM 11/18/03 -0800, you wrote: >--> Kolb-List message posted by: "Aaron Hollingsworth" > >I wonder how many other builders set gross for the mk3 at 1100? I noted that >the plate in my plane and all paperwork was written at 1100gross. Most of >its 180 hours has been with 2 heavy people it it, which may be why the >builder decided to do this. > >Regards, > >aaron ________________________________ Message 10 ____________________________________ Time: 12:31:43 PM PST US From: "Richard & Martha Neilsen" Subject: Re: Kolb-List: fuel pump backup --> Kolb-List message posted by: "Richard & Martha Neilsen" If the diaphragm on a primary mechanical pump ruptures isn't there a chance that the engine will be flooded thru the pulse line even with the pumps in parallel? When a diaphragm ruptures the pump will still try to pump and it will be pushing against the pressure ahead from the secondary pump. The incoming check valve will keep fuel from going back to the tank, the backup pump will try to stop the fuel from going to the carburetor, the rout of least resistance might be up the pulse line. Also to answer the question do diaphragms rupture. I had a diaphragm rupture (John will think I'm really doing something wrong now) on a mechanical pump on my tractor last summer. In this case the fuel diluted the oil in my crank case to the point where I saw reduced oil pressure and nothing else. The fuel pump maintained enough pressure to keep the engine running so a back up pump of any kind would not have helped. I guess what I'm suggesting is do what makes you comfortable. You can't cover every angle so as to make flying completely safe. You risk death just getting out of bed in the morning. Rick Neilsen Redrive VW powered MKIIIc ----- Original Message ----- From: Subject: Kolb-List: fuel pump backup > --> Kolb-List message posted by: ul15rhb@juno.com > > > I see nobody wants to touch this one (see below): > > Ralph > > If a facet pump is connected in series with the mechanical pump, will it > still work if the mechanical pump diaphragm ruptures? The reason it may > not, is the facet will pump fuel through the ruptured diaphragm, via the > pulse port, into the crankcase killing the engine. > > I would suggest someone with a facet pump connected in series, take an > old mechanical pump and purposely rupture the diaphragm, install it, and > check it out, on the ground of course. > > A parallel arrangement will bypass the mechanical pump and be a surefire method of getting fuel to the carb(s) when needed the most. > > Ralph > Original Firestar > 16 years flying it > > ________________________________ Message 11 ____________________________________ Time: 01:08:33 PM PST US From: "Paul Petty" Subject: Kolb-List: plans --> Kolb-List message posted by: "Paul Petty" Kolbers, My plans don't show any dimensions for the location of the hole that is to be drilled in the lower part of the tailpost for the fly wire. Can anyone give me the size and location of this hole? Also not shown are the distance between the SS angle brackets that rivet to the fuselage tube. All it says is to allow some distance so the bracket doesn't "bind" but how much? thanks pp do not archive ________________________________ Message 12 ____________________________________ Time: 01:24:32 PM PST US From: "Mike Pierzina" Subject: Kolb-List: Dead Puppys... I like'm --> Kolb-List message posted by: "Mike Pierzina" Oh, And isn't the " SUBJECT " suppose to reflect the "POST"........And SNIP>>>> the part you want instead of sending the WHOLE LIST everytime.... Only in the perfect world of La la land... Gotta Fly... Mike in MN DO NOT ARCHIVE --- Sometimes you just have to take the leap and build your wings on the way down... Gotta Fly... http://ad.doubleclick.net/clk;6413623;3807821;f?http://mocda1.com/1/c/563632/113422/313631/313631 AOL users go here: http://ad.doubleclick.net/clk;6413623;3807821;f?http://mocda1.com/1/c/563632/113422/313631/313631 This offer applies to U.S. Residents Only ________________________________ Message 13 ____________________________________ Time: 01:28:36 PM PST US From: "Aaron Hollingsworth" Subject: Re: Kolb-List: 1100 gross --> Kolb-List message posted by: "Aaron Hollingsworth" I called up TNK to ask a few questions and discuss the registering of the mk3 at 1100. I gathered from the conversation that most builders register mk3s at 1100 for the same reasons you mention below. Also, thanks to a tip from another mk3 owner, I remeasured from datum to pilots. I get -4, not -6 that I did my original W&B with. That makes a large CG difference. With ~465#s of beef, I am still slightly forward cg ~24.6. I may try and move the battery back a little. I'll run solo #s with the battery back a bit to make sure that wont push it too aft for flying solo. My mk3 seems on the heavy side empty: 558 ... I suspect a few reasons: 618 is pretty heavy.. 'E' gearbox.. 72"warp.. and a standard sized motorcycle battery: estimate it to be at least 18lbs. Aaron - ----- Original Message ----- From: "Richard Pike" Subject: Re: Kolb-List: 1100 gross > --> Kolb-List message posted by: Richard Pike > > I set mine at 1100 gross, because after I did my weight and balance, I > figured that my problem was not getting out of the forward envelope, it was > getting over gross. And since back then I had insurance with AVEMCO, and > since the way the AVEMCO policy was written back then, if you did something > illegal or not within the license parameters for your airplane, they didn't > always have to pay off. > > Since my MKIII weighs 513 empty, by the time you add two big adults and 15 > gallons of fuel, 1000 gross is kinda' difficult. Obviously the airplane is > safe at 1100 pounds, and probably also at 1200, (when flown sensibly) since > there are some high time ones successfully doing it. So I gave myself a 90 > pound legal/paperwork margin that I have not gotten close to and don't have > to worry about. > > Richard Pike > MKIII N420P (420ldPoops) > > do not archive > > > At 10:08 AM 11/18/03 -0800, you wrote: > > >--> Kolb-List message posted by: "Aaron Hollingsworth" > > > >I wonder how many other builders set gross for the mk3 at 1100? I noted that > >the plate in my plane and all paperwork was written at 1100gross. Most of > >its 180 hours has been with 2 heavy people it it, which may be why the > >builder decided to do this. > > > >Regards, > > > >aaron > > ________________________________ Message 14 ____________________________________ Time: 01:33:51 PM PST US From: "Aaron Hollingsworth" Subject: Re: Kolb-List: fuel pump backup --> Kolb-List message posted by: "Aaron Hollingsworth" I had a Challenger1 with a facet in series. Warning to people with this setup, the facet can overpressure the line when the manual is working. I thought it would be a good idea to use the facet on top of manual for climbout.. Until I noticed a substantial amount of fuel leaving the carb overflow line splattering my tail. I luckily never had the manual pump fail in that setup. I for sure wouldn't trust it. aaron - ----- Original Message ----- From: "Richard & Martha Neilsen" Subject: Re: Kolb-List: fuel pump backup > --> Kolb-List message posted by: "Richard & Martha Neilsen" > > If the diaphragm on a primary mechanical pump ruptures isn't there a chance > that the engine will be flooded thru the pulse line even with the pumps in > parallel? When a diaphragm ruptures the pump will still try to pump and it > will be pushing against the pressure ahead from the secondary pump. The > incoming check valve will keep fuel from going back to the tank, the backup > pump will try to stop the fuel from going to the carburetor, the rout of > least resistance might be up the pulse line. > > Also to answer the question do diaphragms rupture. I had a diaphragm rupture > (John will think I'm really doing something wrong now) on a mechanical pump > on my tractor last summer. In this case the fuel diluted the oil in my crank > case to the point where I saw reduced oil pressure and nothing else. The > fuel pump maintained enough pressure to keep the engine running so a back up > pump of any kind would not have helped. > > I guess what I'm suggesting is do what makes you comfortable. You can't > cover every angle so as to make flying completely safe. You risk death just > getting out of bed in the morning. > > Rick Neilsen > Redrive VW powered MKIIIc > > ----- Original Message ----- > From: > To: > Subject: Kolb-List: fuel pump backup > > > > --> Kolb-List message posted by: ul15rhb@juno.com > > > > > > I see nobody wants to touch this one (see below): > > > > Ralph > > > > If a facet pump is connected in series with the mechanical pump, will it > > still work if the mechanical pump diaphragm ruptures? The reason it may > > not, is the facet will pump fuel through the ruptured diaphragm, via the > > pulse port, into the crankcase killing the engine. > > > > I would suggest someone with a facet pump connected in series, take an > > old mechanical pump and purposely rupture the diaphragm, install it, and > > check it out, on the ground of course. > > > > A parallel arrangement will bypass the mechanical pump and be a surefire > method of getting fuel to the carb(s) when needed the most. > > > > Ralph > > Original Firestar > > 16 years flying it > > > > > > ________________________________ Message 15 ____________________________________ Time: 02:40:27 PM PST US Subject: Re: Kolb-List: Pulse Pump Diaphragm Rupture From: ul15rhb@juno.com --> Kolb-List message posted by: ul15rhb@juno.com Jack, I agree with you about the reliability of the mechanical pulse pump. If they are that reliable, why the need for a backup? The point I was making in the last post, was that a series-connected facet backup pump may not work as intended in the event of a ruptured diaphragm. In the 16.9 years flying the Firestar, I have had one pump failure and that was because I replaced a good one with one that had a cracked diaphragm (aftermarket product different from the mylar ones shipped with new Mikuni pumps - about 12 years ago). Of course, I didn't know it was bad when I replaced it, but I soon found out during the takeoff (engine ran, but rough and kicking me in the back on climbout). I replaced it with the old one and it ran fine the rest of the day. Ralph Original Firestar 16.9 years flying it On Tue, 18 Nov 2003 12:47:42 -0600 Jack & Louise Hart writes: > --> Kolb-List message posted by: Jack & Louise Hart > > Ralph, > > Searching the list for "ruptured diaphragm", "punchered diaphragm", > "broken diaphragm", etc, I found no one reporting such a failure. > This has to represent a lot of flying hours using pulse pumps. > > One reason the pulse pump is so reliable is that the diaphragm moves > and infinitesimal amount to pump the amount of fuel required by one > revolution of the engine. Also diaphragm flexure is limited by the > pump housings so that the diaphragm can not become over stressed. > > The only way I can see a chance of a diaphragm rupturing is for > sharp particles to get past the fuel filter pass through the pump. > > > Jack B. Hart FF004 > Jackson, MO > > > At 05:35 PM 11/18/03 GMT, you wrote: > >--> Kolb-List message posted by: ul15rhb@juno.com > > > > > >I see nobody wants to touch this one (see below): > > > >Ralph > > > >If a facet pump is connected in series with the mechanical pump, > will it > >still work if the mechanical pump diaphragm ruptures? The reason > it may > >not, is the facet will pump fuel through the ruptured diaphragm, > via the > >pulse port, into the crankcase killing the engine. > > > >I would suggest someone with a facet pump connected in series, take > an > >old mechanical pump and purposely rupture the diaphragm, install > it, and > >check it out, on the ground of course. > > > >A parallel arrangement will bypass the mechanical pump and be a > surefire method of getting fuel to the carb(s) when needed the > most. > > > >Ralph > >Original Firestar > >16 years flying it ________________________________ Message 16 ____________________________________ Time: 03:10:04 PM PST US From: Richard Pike Subject: Re: Kolb-List: 1100 gross --> Kolb-List message posted by: Richard Pike Don't know right off what size my motorcycle battery is, I know it is a small 12v, if you have to crank the engine very long at all, the battery will give up & you can plan on propping it. But the battery weight is less than 5 pounds and it works great for all other applications. Richard Pike MKIII N420P (420ldPoops) do not archive At 02:28 PM 11/18/03 -0800, you wrote: >--> Kolb-List message posted by: "Aaron Hollingsworth" > > >My mk3 seems on the heavy side empty: 558 ... I suspect a few reasons: 618 >is pretty heavy.. 'E' gearbox.. 72"warp.. and a standard sized motorcycle >battery: estimate it to be at least 18lbs. > >Aaron ________________________________ Message 17 ____________________________________ Time: 05:17:36 PM PST US From: "Denny Rowe" Subject: Re: Kolb-List: 1100 gross --> Kolb-List message posted by: "Denny Rowe" > > My mk3 seems on the heavy side empty: 558 ... I suspect a few reasons: 618 > is pretty heavy.. 'E' gearbox.. 72"warp.. and a standard sized motorcycle > battery: estimate it to be at least 18lbs. > > Aaron > - Aaron, Everything you listed here does help to explane your weight, your bird really is not that heavy compared to the average Mk-3, I have seen a lot of two cycle powered Slingshots that are over 500 pounds so don't sweat your empty weight to much. I really enjoy your input on this list, it is a bit of fresh air, (No offense intended to others). Fly safe everyone. Dennis Rowe, Mk-3 N616DR, PA Do not archive ________________________________ Message 18 ____________________________________ Time: 05:32:53 PM PST US From: "Denny Rowe" Subject: Re: Kolb-List: plans --> Kolb-List message posted by: "Denny Rowe" ----- > --> Kolb-List message posted by: "Paul Petty" > > Kolbers, > My plans don't show any dimensions for the location of the hole that is to be drilled in the lower part of the tailpost for the fly wire. Can anyone give me the size and location of this hole? > Also not shown are the distance between the SS angle brackets that rivet to the fuselage tube. All it says is to allow some distance so the bracket doesn't "bind" but how much? > > thanks > > pp > Paul, I have about 1 1/2 "thick AN washer" thicknesses between the horizontal stabilizer bracket and the boom tube brackets. You want the stabilizer bracket centered between them when your elevator is in the neutral position, so that when the elevator moves up and down the stabilizer has a little room to move fore and aft without binding on the brackets. Check what length bolt your plans call for and test fit the brackets on the stabilizer, when all the hardware is installed through the brackets and the nut is tightened with a couple of threads showing, you can measure the space you have. Make sure your elevator pivot is not binding and is assembled in line with the piano hinges. I hope this helps, I hesitate to give you exact figures as mine is a Mk-3 and could have small differances from your Kolbra. Denny Rowe ________________________________ Message 19 ____________________________________ Time: 05:39:41 PM PST US From: John Hauck Subject: Kolb-List: MK III Manners - Yaw Trim --> Kolb-List message posted by: John Hauck Hi Gang: Was climbing out to the east, headed for Ted Cowan's flyin last Saturday. Was surpassed to see the slip/skid indicator a half ball out of trim. Since the last major modification of my rudder trim system a couple years ago I have had nice neutral pedals and trim ball centered during cruise and climb, for the most part. I decided to land at Tallassee, AL, the next airport to check out my rudder trim tab. About that time I noticed I had failed to secure the left door. In flight the airstrip keeps the doors closed except an inch or so at the rear. With the door securely closed, the slip/skid indicator ball was centered and my rudder pedals were neutral once again. Still learning about my airplane, john h ________________________________ Message 20 ____________________________________ Time: 05:47:27 PM PST US From: John Hauck Subject: Kolb-List: MK III Manners - Yaw Trim --> Kolb-List message posted by: John Hauck Hi Gang: This: "In flight the airstrip keeps the doors closed.............." Should be correct to read: "In flight the airstream keeps the doors closed.............." Sorry about that, john h ________________________________ Message 21 ____________________________________ Time: 05:55:10 PM PST US From: Eugene Zimmerman Subject: Re: Kolb-List: fuel pump backup --> Kolb-List message posted by: Eugene Zimmerman Richard & Martha Neilsen wrote: > snip > I guess what I'm suggesting is do what makes you comfortable. You can't > cover every angle so as to make flying completely safe. You risk death just > getting out of bed in the morning. > >>>>> You risk death just getting out of bed in the morning.<<<<<<<< But the risk of death is much higher "in" bed. More people die in bed than any other place. do not archive ________________________________ Message 22 ____________________________________ Time: 06:17:25 PM PST US From: "CRAIG M NELSON" Subject: Re: Kolb-List: [ Craig Nelson ] Fuel Tank --> Kolb-List message posted by: "CRAIG M NELSON" John. Thanks for the info, I don't think many folks who make aluminum tanks think of that, and Yes I did pressure the tank filled it with a hose though. then pressured it for 2 days. The guy that did the welding, helped me do the math on the volume. I trust his welding. he makes radiators for and fuel systems for Indy cars, Sill Medesty real nice guy. thanks Uncle Craig MkIIIex912uls Arizona ----- Original Message ----- From: John Hauck Subject: Re: Kolb-List: [ Craig Nelson ] Fuel Tank --> Kolb-List message posted by: John Hauck Craig/All: You said as near as you could figure you were going to have 22 fuel capacity. Does that mean you have not pressure and/or water tested the fuel tank? Did you slosh it? I water tested my fuel tank so Bro Jim could get the leaks that showed up. During the water test, I used one gal milk jugs to fill the tank. Took 25 or those little fellers to fill it to the top. I could drain out all 25 of the also. After we repaired all existing leaks, I sloshed my tank four times (once a day for four days). With 1,952 hours on the tank, it has leaked nary a drop. Wish I could have said that for the Firestar tank. However, what we learned from mistakes made on it were applied to the MK III tank. john h ________________________________ Message 23 ____________________________________ Time: 07:00:27 PM PST US From: Richard Pike Subject: Re: Kolb-List: MK III Manners - Yaw Trim --> Kolb-List message posted by: Richard Pike Boy, that's a relief - thought maybe you had taken up some new form of low-level aerobatics... Richard Pike MKIII N420P (420ldPoops) At 07:47 PM 11/18/03 -0600, you wrote: >--> Kolb-List message posted by: John Hauck > >Hi Gang: > >This: > >"In flight the airstrip keeps the doors closed.............." > >Should be correct to read: > >"In flight the airstream keeps the doors closed.............." > >Sorry about that, > >john h do not archive ________________________________ Message 24 ____________________________________ Time: 07:02:57 PM PST US From: WILLIAM D BRADSHAW Subject: Kolb-List: 800x6 Tires on Azusa rims --> Kolb-List message posted by: WILLIAM D BRADSHAW Gang Not long ago I put 800x6 Titan Turf Glide tries & tubes on my Firestar. The valve stems turned up a little bit but seemed ok. The other day I wanted to fly, and there she sat in the shop with a flat tire. Yep the valve stem pulled out. Found out the 800x6 tube valve stem is offset about 3/4 inch to the outboard side. The Azusa valve stem holes are in the center. I measured over 3/4 inch and drilled a 3/8 th inch hole for the valve stem. Now it lays parallel to the rim and is closer to the outside. Makes it easier to get at with the air nozzle. I realigned the rim halves so there is only half of the old hole open to expose the tube. With such low tire pressure I don't think this will be a problem. I'm sure glad it didn't go flat while I was flying. Bet that big tire won't roll good flat !! If you have 800x6 tires on Azuza rims might want to check that valve stem. Danny Bradshaw McBee, South Carolina Firestar 503 200 hrs ________________________________ Message 25 ____________________________________ Time: 07:04:32 PM PST US From: "Denny Rowe" Subject: Kolb-List: 2SI bows out, another victom of our legal system --> Kolb-List message posted by: "Denny Rowe" > I guess what I'm suggesting is do what makes you comfortable. You can't > cover every angle so as to make flying completely safe. You risk death just > getting out of bed in the morning. > > Rick Neilsen > Redrive VW powered MKIIIc Rick and others, Thought your line here was a good intro for this post. I have been holding this news for a couple weeks until I was sure it had been released to the press. South Carolina based Two Stroke International, the maker of my 690L and the only American company manufacturing light aircraft 2 cycle engines has decided to withdraw from the aviation market. The chief reason is because of a lawsuit filed by a builder and pilot of a homebuilt aircraft who was paralyzed when his engine allegedly quit and he failed to fly the airplane. Now because of one mans refusal to accept responsibility for the risks involved in his chosen recreation, no one will be able to purchase new American made 2SI engines. Another chapter in the exportation of American industry brought to you by the upstanding trial lawyers of our once greater country. All of us must understand that nobody has ever put a gun to our heads and forced us to build these contraptions, nor has the manufacturer of any engine forced us to install their engine. We do all this of our own volition and as such should assume all the risks that go along with this sport. If you are unwilling to accept the fact that you or one of your passengers may someday receive horrible bodily harm or worse due to the operation of your little aircraft or other vehicles, and if you can't accept the fact that you are the single reason this harm may come to you, PLEASE sell your aircraft, car, motorcycle, boat, etc right now and never look back. The rest of us need you out of this sport before we wind up having only one $20,000 Chinese built choice when it comes time to buy a new engine for our airplanes. Sincerly, Dennis Rowe, Mk-3 N616DR, Leechburg, PA Do definitly archive ________________________________ Message 26 ____________________________________ Time: 07:32:32 PM PST US From: "Paul Petty" Subject: Kolb-List: specs --> Kolb-List message posted by: "Paul Petty" Denny/JohnW and all.. Thanks. the info paid off tonight in the shop. Charley was there as we worked on the tail rigging. First time pops came down to tha shop and helped me with tha Kolbra. We worked on the tail rigging and reached the point where we needed a 3/16" drill bit to attach the horz stab tang's to the fuselage tube. Have it all center punched and ready to drill. We could not find a 3/16" bit in the house. Talked about the possibility of completing the Kolbra for the Alaska trip. Also came to the conclusion on the engine for this bird. A 912s. was the choice. John W ruled out the verner. and John H has more than proved the 912s. Thanks to all the folks that sent us photos of their birds. Man German's bird is a dandy! Building my butt off here folks! pp do not archive ________________________________ Message 27 ____________________________________ Time: 07:34:10 PM PST US From: "Larry Cottrell" Subject: Re: Kolb-List: fuel pump backup --> Kolb-List message posted by: "Larry Cottrell" ----- Original Message ----- From: "Aaron Hollingsworth" Subject: Re: Kolb-List: fuel pump backup > --> Kolb-List message posted by: "Aaron Hollingsworth" > > I had a Challenger1 with a facet in series. Warning to people with this > setup, the facet can overpressure the line when the manual is working. I > thought it would be a good idea to use the facet on top of manual for > climbout.. Until I noticed a substantial amount of fuel leaving the carb > overflow line splattering my tail. I luckily never had the manual pump fail > in that setup. I for sure wouldn't trust it. > Aaron, If you use a facet pump you should also use a pressure regulator and eliminate the problem of forcing too much gas into the carb. Larry,Oregon do not archive ________________________________ Message 28 ____________________________________ Time: 07:55:47 PM PST US From: "Jim Baker" Subject: Re: Kolb-List: 2SI bows out, another victom of our legal system --> Kolb-List message posted by: "Jim Baker" > PLEASE sell your aircraft, car, motorcycle, boat, etc > right now and never look back. Not gonna help. We are moving toward the Japanese style of justice wherein if you are in a particular place/situation at a specific time and caused some grievious harm to another, you will be held liable because if you hadn't been there nothing would have happened. This scenario also applies to inanimate objects....if the 2SI hadn't been there all would be well. As for lawyers...just watch what they do to medical malpractice insurance costs....heard malparctice premiums in the state of OK will run up 80% next year to be followed the year after by another 80%....... Just shoot the bastards.......(Hello carnivore!) J.Baker ________________________________ Message 29 ____________________________________ Time: 08:02:12 PM PST US From: "Aaron Hollingsworth" Subject: Re: Kolb-List: 2SI bows out, another victom of our legal system --> Kolb-List message posted by: "Aaron Hollingsworth" I read about 2si... yet another reason added to many that I hate our legal system. :/ I've heard some pretty good opinions of 2si motors. It is a shame. It reminds me of the guy that build and flew a Team airbike into a swamp in florida.. no training. Hurt himself and now owns the airbike design. Real shame. aaron - ----- Original Message ----- From: "Denny Rowe" Subject: Kolb-List: 2SI bows out, another victom of our legal system > --> Kolb-List message posted by: "Denny Rowe" > > > > I guess what I'm suggesting is do what makes you comfortable. You can't > > cover every angle so as to make flying completely safe. You risk death > just > > getting out of bed in the morning. > > > > Rick Neilsen > > Redrive VW powered MKIIIc > > > Rick and others, > Thought your line here was a good intro for this post. > I have been holding this news for a couple weeks until I was sure it had > been released to the press. > > South Carolina based Two Stroke International, the maker of my 690L and the > only American company manufacturing light aircraft 2 cycle engines has > decided to withdraw from the aviation market. The chief reason is because of > a lawsuit filed by a builder and pilot of a homebuilt aircraft who was > paralyzed when his engine allegedly quit and he failed to fly the airplane. > Now because of one mans refusal to accept responsibility for the risks > involved in his chosen recreation, no one will be able to purchase new > American made 2SI engines. > Another chapter in the exportation of American industry brought to you by > the upstanding trial lawyers of our once greater country. > All of us must understand that nobody has ever put a gun to our heads and > forced us to build these contraptions, nor has the manufacturer of any > engine forced us to install their engine. We do all this of our own volition > and as such should assume all the risks that go along with this sport. > If you are unwilling to accept the fact that you or one of your passengers > may someday receive horrible bodily harm or worse due to the operation of > your little aircraft or other vehicles, and if you can't accept the fact > that you are the single reason this harm may come to you, PLEASE sell your > aircraft, car, motorcycle, boat, etc right now and never look back. > The rest of us need you out of this sport before we wind up having only one > $20,000 Chinese built choice when it comes time to buy a new engine for our > airplanes. > > Sincerly, > Dennis Rowe, Mk-3 N616DR, Leechburg, PA > Do definitly archive > > ________________________________ Message 30 ____________________________________ Time: 08:16:54 PM PST US From: "John Williamson" Subject: Re: Kolb-List: 800x6 Tires on Azusa rims --> Kolb-List message posted by: "John Williamson" Danny and all, ***the valve stem pulled out. Found out the 800x6 tube valve stem is offset about 3/4 inch to the outboard side. The Azusa valve stem holes are in the center. *** The same thing happened to my tires when they were 6 months old. I had the same solution but I also used masking tape to make a dam and then filled the old hole half's with J-B Weld and sanded smooth. You can barely see where the original holes were and nothing gets to the exposed inner tube. John Williamson Arlington, TX Kolb Kolbra: Jabiru 2200, 499 hours http://home.comcast.net/~kolbrapilot/ ________________________________ Message 31 ____________________________________ Time: 09:30:01 PM PST US From: "Kelvin Kurkowski" Subject: Re: Kolb-List: 2SI bows out, another victom of our legal system (not processed: message from valid local sender) --> Kolb-List message posted by: "Kelvin Kurkowski" Better Idea!!! My dad has said for years, the way to balance the trade deficit: "For every car, TV, and even quartz watch that comes to this country from abroad, they are required to take an attorney back in trade, in 18 months or less they will not be able to compete either. Kelvin Kurkowski a Kolb soon (I hope) do not archive ----- Original Message ----- From: "Jim Baker" Subject: Re: Kolb-List: 2SI bows out, another victom of our legal system > --> Kolb-List message posted by: "Jim Baker" > > > PLEASE sell your aircraft, car, motorcycle, boat, etc > > right now and never look back. > > Not gonna help. We are moving toward the Japanese style of > justice wherein if you are in a particular place/situation at a specific > time and caused some grievious harm to another, you will be held > liable because if you hadn't been there nothing would have > happened. This scenario also applies to inanimate objects....if the > 2SI hadn't been there all would be well. > > As for lawyers...just watch what they do to medical malpractice > insurance costs....heard malparctice premiums in the state of OK > will run up 80% next year to be followed the year after by another > 80%....... > > Just shoot the bastards.......(Hello carnivore!) > > J.Baker > > ________________________________ Message 32 ____________________________________ Time: 10:44:43 PM PST US From: CaptainRon Subject: Re: Kolb-List: 2SI bows out, another victom of our legal system --> Kolb-List message posted by: CaptainRon I agree with your commentary. Its ridiculous, now the choices left are to buy Rotax stuff at inflated prices. I can understand why Simonini will only work through their Canadian dealer. I don't blame them. do not archive ======================================== --- Denny Rowe wrote: > --> Kolb-List message posted by: "Denny Rowe" > > > > > I guess what I'm suggesting is do what makes you > comfortable. You can't > > cover every angle so as to make flying completely > safe. You risk death > just > > getting out of bed in the morning. > > > > Rick Neilsen > > Redrive VW powered MKIIIc > > > Rick and others, > Thought your line here was a good intro for this > post. > I have been holding this news for a couple weeks > until I was sure it had > been released to the press. > > South Carolina based Two Stroke International, the > maker of my 690L and the > only American company manufacturing light aircraft 2 > cycle engines has > decided to withdraw from the aviation market. The > chief reason is because of > a lawsuit filed by a builder and pilot of a > homebuilt aircraft who was > paralyzed when his engine allegedly quit and he > failed to fly the airplane. > Now because of one mans refusal to accept > responsibility for the risks > involved in his chosen recreation, no one will be > able to purchase new > American made 2SI engines. > Another chapter in the exportation of American > industry brought to you by > the upstanding trial lawyers of our once greater > country. > All of us must understand that nobody has ever put a > gun to our heads and > forced us to build these contraptions, nor has the > manufacturer of any > engine forced us to install their engine. We do all > this of our own volition > and as such should assume all the risks that go > along with this sport. > If you are unwilling to accept the fact that you or > one of your passengers > may someday receive horrible bodily harm or worse > due to the operation of > your little aircraft or other vehicles, and if you > can't accept the fact > that you are the single reason this harm may come to > you, PLEASE sell your > aircraft, car, motorcycle, boat, etc right now and > never look back. > The rest of us need you out of this sport before we > wind up having only one > $20,000 Chinese built choice when it comes time to > buy a new engine for our > airplanes. > > Sincerly, > Dennis Rowe, Mk-3 N616DR, Leechburg, PA > Do definitly archive > > > > Click on the > this > generous > _-> > Contributions > any other > Forums. > > http://www.matronics.com/chat > > http://www.matronics.com/subscription > http://www.matronics.com/FAQ/Kolb-List.htm > http://www.matronics.com/archives > http://www.matronics.com/photoshare > http://www.matronics.com/emaillists > > > > > ===== Ron Building M3X Southern Arizona __________________________________