Kolb-List Digest Archive

Wed 11/17/10


Total Messages Posted: 12



Today's Message Index:
----------------------
 
     0. 12:10 AM - What's My Contribution Used For?  (Matt Dralle)
     1. 07:08 AM - Re: FireFly & MZ34 (Jack B. Hart)
     2. 07:43 AM - Re: FireFly & MZ34 (Jean PILLAUDIN)
     3. 08:35 AM - Re: Fw: Cracked spar on fire star. (Jack B. Hart)
     4. 08:36 AM - cracked rear spar tube firestar (Mark Anliker)
     5. 11:12 AM - Re: cracked rear spar tube firestar (Richard Girard)
     6. 11:50 AM - Re: cracked rear spar tube firestar (robert bean)
     7. 01:09 PM - Mk IIIC on eBay (Richard Girard)
     8. 01:58 PM - Re: cracked rear spar tube firestar (Richard Pike)
     9. 05:10 PM - dennis S (Malcolm Brubaker)
    10. 05:24 PM - Propeller Maintenance (Jack B. Hart)
    11. 05:45 PM - Re: Propeller Maintenance (william sullivan)
 
 
 


Message 0


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    Time: 12:10:13 AM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: What's My Contribution Used For?
    Dear Listers, Some have asked, "What's my Contribution used for?" and that's a good question. Here are just a few examples of what your direct List support enables. It provides for the very expensive, commercial-grade T1 Internet connection used on the List insuring maximum performance and minimal contention when accessing List services. It pays for the regular system hardware and software upgrades enabling the highest performance possible for services such as the Archive Search Engine, List Browser, and Forums. It pays for narly 20 years (yeah, I really said *20* years) worth of online archive data available for instant random search and access. And, it offsets the many hours spent writing, developing, and maintaining the custom applications that power this List Service such as the List Browse, Search Engine, Forums, and Wiki. But most importantly, your List Contribution enables a forum where you and your peers can communicate freely in an environment that is free from moderation, censorship, advertising, commercialism, SPAM, and computer viruses. How many places on the Internet can you make all those statements these days? It is YOUR CONTRIBUTION that directly enables these many aspects of these valuable List services. Please support it today with your List Contribution. Its one of the best investments you can make in your Sport... List Contribution Web Site: http://www.matronics.com/contribution Or drop a personal check in the mail to: Matt Dralle / Matronics 581 Jeannie Way Livermore CA 94550 Thank you for your support! Matt Dralle Email List Administrator


    Message 1


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    Time: 07:08:41 AM PST US
    From: "Jack B. Hart" <jbhart@onlyinternet.net>
    Subject: Re: FireFly & MZ34
    > From: william sullivan <williamtsullivan@att.net> 215 pounds!!! And what do you weigh? > Bill, Currently I weigh about 186 pounds with flying gear on. After returning home, I went over to the airport to try out the latest cut on the propeller. Even though the battery had been on the trickle charger, the battery was too low to start the engine. Since I am trying to save weight, I have removed the hand pull starter. Looking for another battery. May have to learn how to hand prop it. The propeller matching to engine has been interesting, and expensive. The ultra light IVO does not seem to be nearly as efficient as the medium pitch IVO. Jack B. Hart FF004 Winchester, IN


    Message 2


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    Time: 07:43:12 AM PST US
    Subject: Re: FireFly & MZ34
    From: Jean PILLAUDIN <jean.pillaudin@gmail.com>
    Hi, "May have to learn how to hand prop it." Very bad idea in my thinking !!! If the worst happen ; _without hand_ how can you update your fabulos web site! ;-) Jean 2010/11/17 Jack B. Hart <jbhart@onlyinternet.net> > > > > Date: Wed, 10 Nov 2010 08:28:58 -0800 (PST) > From: william sullivan <williamtsullivan@att.net> > > 215 pounds!!! And what do you weigh? > > > > Bill, > > Currently I weigh about 186 pounds with flying gear on. > > After returning home, I went over to the airport to try out the latest cut > on the propeller. Even though the battery had been on the trickle charger, > the battery was too low to start the engine. Since I am trying to save > weight, I have removed the hand pull starter. Looking for another battery. > May have to learn how to hand prop it. > > The propeller matching to engine has been interesting, and expensive. The > ultra light IVO does not seem to be nearly as efficient as the medium pitch > IVO. > > Jack B. Hart FF004 > Winchester, IN > > -- Jean Q' importe le frelon pourvu qu'on ai l'ivresse!


    Message 3


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    Time: 08:35:57 AM PST US
    From: "Jack B. Hart" <jbhart@onlyinternet.net>
    Subject: Re: Fw: Cracked spar on fire star.
    >From:<Frank Goodnight> >Sent: Tue, November 16, 2010 6:02:16 PM > Attachment Converted: >"c:\eudora\attach\aircraft photo 1.JPG" > Attachment Converted: >"c:\eudora\attach\aircraft photo 1 >(2).JPG" Frank, Thank you for your photos. I just came back from checking the FireFly. My braces weld to the corner of the square tube. I did not find any cracks, but due to using powder coat, they would have to be quite large to see them. I flew the FireFly with the Victor 1+, a 313cc one cylinder engine, for 188 hours. One of the advantages of replacing it with the MZ34 was to reduce displacement and firing impulse vibration. This has been proven out in that the FireFly is much smoother and quieter in flight. If you are using a heavy, high inertia propeller, you may want to consider changing to a smaller, lighter, low inertia propeller. This will allow more firing impulse energy to be dissipated into the propeller than being transferred to the mounts and on to the cage. Jack B. Hart FF004 Winchester, IN


    Message 4


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    Time: 08:36:02 AM PST US
    Subject: cracked rear spar tube firestar
    From: Mark Anliker <kitfoxmark@gmail.com>
    Was the Firestar airframe designed to have an HKS bolted on to it? Did the Kolb Company ever support/recommend an HKS installation on the Firestar airframe? If the answer to both of those questions is "no", I vote =93no =94 for suggesting we sound the AD alarm and create a significant burden for a company we all would like to see prosper. I vote "yes", however, for builders/experimenters discussing in this forum their challenges and proposed solutions when choosing to install and operate alternative engines (with different weight and vibration characteristics) on their experimental aircraft.


    Message 5


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    Time: 11:12:22 AM PST US
    Subject: Re: cracked rear spar tube firestar
    From: Richard Girard <aslsa.rng@gmail.com>
    Mark, Since there is no such thing as an airworthiness directive (AD) for a n experimental aircraft and the braces for the motor mount on Frank's airfram e are apparently not standard Firestar, either, not to worry. All TNK can do is issue a heads up and it will be up to owners and maintenance people to try and nip this one in the bud. Rick Girard On Wed, Nov 17, 2010 at 10:30 AM, Mark Anliker <kitfoxmark@gmail.com> wrote : > Was the Firestar airframe designed to have an HKS bolted on to it? Did > the Kolb Company ever support/recommend an HKS installation on the Firest ar > airframe? If the answer to both of those questions is "no", I vote =93no =94 > for suggesting we sound the AD alarm and create a significant burden for a > company we all would like to see prosper. I vote "yes", however, for > builders/experimenters discussing in this forum their challenges and > proposed solutions when choosing to install and operate alternative engin es > (with different weight and vibration characteristics) on their experiment al > aircraft. > > * > =========== =========== =========== ============* > > -- Zulu Delta Kolb Mk IIIC 582 Gray head 4.00 C gearbox 3 blade WD Thanks, Homer GBYM It is not bigotry to be certain we are right; but it is bigotry to be unabl e to imagine how we might possibly have gone wrong. - G.K. Chesterton


    Message 6


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    Time: 11:50:30 AM PST US
    From: robert bean <slyck@frontiernet.net>
    Subject: Re: cracked rear spar tube firestar
    I would reweld the cracks and add vertical gussets. BB On 17, Nov 2010, at 2:09 PM, Richard Girard wrote: > Mark, Since there is no such thing as an airworthiness directive (AD) for an experimental aircraft and the braces for the motor mount on Frank's airframe are apparently not standard Firestar, either, not to worry. All TNK can do is issue a heads up and it will be up to owners and maintenance people to try and nip this one in the bud. > > Rick Girard > > On Wed, Nov 17, 2010 at 10:30 AM, Mark Anliker <kitfoxmark@gmail.com> wrote: > Was the Firestar airframe designed to have an HKS bolted on to it? Did the Kolb Company ever support/recommend an HKS installation on the Firestar airframe? If the answer to both of those questions is "no", I vote =93no=94 for suggesting we sound the AD alarm and create a significant burden for a company we all would like to see prosper. I vote "yes", however, for builders/experimenters discussing in this forum their challenges and proposed solutions when choosing to install and operate alternative engines (with different weight and vibration characteristics) on their experimental aircraft. > > > _blank">www.aeroelectric.com > .com" target="_blank">www.buildersbooks.com > ="_blank">www.homebuilthelp.com > _blank">http://www.matronics.com/contribution > get="_blank">http://www.matronics.com/Navigator?Kolb-List > tp://forums.matronics.com > > > > -- > Zulu Delta > Kolb Mk IIIC > 582 Gray head > 4.00 C gearbox > 3 blade WD > Thanks, Homer GBYM > > It is not bigotry to be certain we are right; but it is bigotry to be unable to imagine how we might possibly have gone wrong. > - G.K. Chesterton > > > >


    Message 7


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    Time: 01:09:47 PM PST US
    Subject: Mk IIIC on eBay
    From: Richard Girard <aslsa.rng@gmail.com>
    I just ran across this. Bid is only $1000 right now. No power section but looks good if you're willing to put in the time to finish. http://cgi.ebay.com/ebaymotors/Kolb-Mark-III-airframe-ready-recover-/280590923085?pt=Motors_Aircraft&hash=item415485b54d#ht_500wt_1182 <http://cgi.ebay.com/ebaymotors/Kolb-Mark-III-airframe-ready-recover-/280590923085?pt=Motors_Aircraft&hash=item415485b54d#ht_500wt_1182>Rick Girard -- Zulu Delta Kolb Mk IIIC 582 Gray head 4.00 C gearbox 3 blade WD Thanks, Homer GBYM It is not bigotry to be certain we are right; but it is bigotry to be unable to imagine how we might possibly have gone wrong. - G.K. Chesterton


    Message 8


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    Time: 01:58:55 PM PST US
    Subject: Re: cracked rear spar tube firestar
    From: "Richard Pike" <richard@bcchapel.org>
    I agree that the factory wil probably come up with the best solution for the HKS installation. When we put the 582 on the FSII, the factory felt that it was too much torque for the FSII upper fuselage structure, so we added some external reinforcements to take the torque loads. This is probably overkill, but on the other hand, this was one of the few portions of the fuselage structure that did not get distorted in the crash... More info here: http://www.bcchapel.org/pages/0003/582%20Mods.html Richard Pike MKIII N420P (420ldPoops) Read this topic online here: http://forums.matronics.com/viewtopic.php?p=319833#319833 Attachments: http://forums.matronics.com//files/fsiimmbrace1_656.jpg http://forums.matronics.com//files/fsiimmbrace2_509.jpg http://forums.matronics.com//files/fsiimmbrace3_166.jpg


    Message 9


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    Time: 05:10:39 PM PST US
    From: Malcolm Brubaker <brubakermal@yahoo.com>
    Subject: dennis S
    hello=C2-Dennis=C2-=C2-=C2- This is malcolm=C2-=C2-=C2-=C2- my wife and I were=C2-in=C2- valley forge=C2- last =0Asummer,=C2- =C2-had lunch with dick=C2- and looked over the firestar he has for sal e got =0Alots of pics of the hanger and old factory=C2-=C2- hope to see you soon.=C2-I flying a =0Akit fox but looking to buy a kolb project =C2 -mal=C2-=C2- call any time =C2-=0A=C2-Malcolm Brubaker =0AMichiga n Sport=0APilot Repair =0ALSRM-A, PPC, WS=0A(989)513-3022 =0A=0A=0A=0A=0A__ ______________________________=0AFrom: Dennis Souder <flykolb@pa.net>=0ATo: kolb-list@matronics.com=0ASent: Tue, November 16, 2010 8:55:41 PM=0ASubjec t: RE: Kolb-List: Fw: Cracked spar on fire star.=0A=0A=0AFrank,=0A=C2-=0A There are 2 issues:=0A=C2-=0ARoughly speaking, an HKS has approximately t wice the power impulse than a =0Atwo-stoke because it has only half of the power pulses.=0A(A 2-stroke piston fires every time in goes down, but only every other time on a =0A4-stroke.)=C2- So the HKS will place a higher st ress on the structure than a =0A2-stroke of comparable power.=0A=C2-=0ASo mewhere along the way, the brace gusset from the motor mount got moved to t he =0Acenter of the square tube.=C2- Formerly it was welded to the leadin g edge of the =0Asquare tube.=0AOn your frame the power pulses are transmit ted to the center of the thin wall of =0Athe square tube =93 this wil l result in a certain amount of flexing which could =0Apossible lead to the cracking you have.=0A=C2-=0AA possible fix would be the addition of a gu sset to get the forces directly to =0Athe corner of the square tube.=0A=C2 -=0AIf someone is going to sound an alarm about the cracking, I think a d istinction =0Acould be made between the frames that have the center orienta ted location vs the =0Aedge oriented location.=0A=C2-=0ADennis=0A=C2- =0A=C2-=0A=C2-=0A=C2-=0A=C2-=0A=0A________________________________ =0A=0AFrom:owner-kolb-list-server@matronics.com =0A[mailto:owner-kolb-list- server@matronics.com] On Behalf Of frank goodnight=0ASent: Tuesday, Novembe r 16, 2010 7:28 PM=0ATo: kolb-list@matronics.com=0ASubject: Kolb-List: Fw: Cracked spar on fire star.=0A=C2-=0A=C2-=0A=C2-=0A----- Forwarded Mes sage ----=0AFrom: Jon Lockhart <jonlock2@gmail.com>=0ATo: frank.goodnight < frank.goodnight@att.net>; =0Acustomersupport@tnkolbaircraft.com; kolb-list@ matronics.com=0ASent: Tue, November 16, 2010 6:02:16 PM=0ASubject: Cracked spar on fire star.=0A=0APlease review the photos.=C2- Thanks, Frank Goodn ======= =0A=0A=0A=0A


    Message 10


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    Time: 05:24:01 PM PST US
    From: "Jack B. Hart" <jbhart@onlyinternet.net>
    Subject: Propeller Maintenance
    Kolbers, I saw this today, and it makes my propeller problems seem to be minuscule. I took the photo on my telephone, and it is attached. do not archive Jack B. Hart F004 Winchester, IN


    Message 11


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    Time: 05:45:50 PM PST US
    From: william sullivan <williamtsullivan@att.net>
    Subject: Re: Propeller Maintenance
    - Jack, maybe you are just not as nimble as you used to be. - do not archive ------------------------- ------------------- Bill Sullivan --- On Wed, 11/17/10, Jack B. Hart <jbhart@onlyinternet.net> wrote: From: Jack B. Hart <jbhart@onlyinternet.net> Subject: Kolb-List: Propeller Maintenance Kolbers, I saw this today, and it makes my propeller problems seem to be minuscule. - I took the photo on my telephone, and it is attached. do not archive Jack B. Hart F004 Winchester, IN




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