---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Tue 08/13/19: 6 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:22 AM - Re: Re: Kolb air airworthiness directive (John Hauck) 2. 07:45 AM - Re: Re: Kolb air airworthiness directive (George Helton) 3. 08:17 AM - Re: Re: Kolb air airworthiness directive (John Hauck) 4. 06:41 PM - Fly-in (Larry Cottrell) 5. 06:47 PM - Re: Fly-in (John Hauck) 6. 06:53 PM - Re: Fly-in (Larry Cottrell) ________________________________ Message 1 _____________________________________ Time: 05:22:35 AM PST US From: John Hauck Subject: RE: Kolb-List: Re: Kolb air airworthiness directive I was concerned when I got my FS kit, late 1985 or early 86, to discover the butt welded pivot bolt on the aileron bell crank with no bracing. I designed a strap brace to stabilize that pivot bolt. Looked a lot like what Kolb came up with at a later date. Never had a problem with it. john h mkIII Titus, Alabama -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of wakataka Sent: Monday, August 12, 2019 7:24 PM Subject: Kolb-List: Re: Kolb air airworthiness directive I just received the parts and am in the process of installing them. The parts do the same job as that welded brace on your plane, so you should be good, assuming that both bellcranks have a similar brace as in the photo. Your brace is at least as strong as the the ones provided in the kit from Kolb. My plane has no braces attached to the end of the bellcrank pivot bolts. I can see how the bolt or the weld could be weakened over time due to the repeated bending loads from the bellcrank. The kit from Kolb includes two braces and the pop rivets needed to attach them to the root tube. The rivet holes are not drilled in the braces. One of the braces needed to be modified with a rotary file in order to fit on my 1985 Firestar. On my airframe, there's a little piece of tubing that secures the fuel tank welded about 3/4" away from the aileron bell crank. The new bracket needs to be filed down by at least 1/4" in order to clear the fuel tank brace tube. I think I can make the Kolb bracket work. If not, I guess I'll weld on a bracket like yours. I applaud Kolb for taking the initiative to identify and engineer a fix for this problem. -------- There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact. Mark Twain Read this topic online here: http://forums.matronics.com/viewtopic.php?p=490817#490817 ________________________________ Message 2 _____________________________________ Time: 07:45:51 AM PST US From: George Helton Subject: Re: Kolb-List: Re: Kolb air airworthiness directive I did this modification about four years ago on my original Firestar. The on ly thing you might have change is the castle nuts. I had to go to half castl es because the welded studs( bolts ) were just a bit short. This is a must d o mod. for anyone who hasn=99t done it yet. Are you back home, John? George H. Firestar 1986, Hirth 2702 14GDH Mesick, Michigan gdhelton@gmail.com Sent from my iPhone > On Aug 13, 2019, at 8:21 AM, John Hauck wrote: > > > I was concerned when I got my FS kit, late 1985 or early 86, to discover t he butt welded pivot bolt on the aileron bell crank with no bracing. I desi gned a strap brace to stabilize that pivot bolt. Looked a lot like what Kol b came up with at a later date. Never had a problem with it. > > john h > mkIII > Titus, Alabama > > > > > -----Original Message----- > From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@ matronics.com] On Behalf Of wakataka > Sent: Monday, August 12, 2019 7:24 PM > To: kolb-list@matronics.com > Subject: Kolb-List: Re: Kolb air airworthiness directive > > > I just received the parts and am in the process of installing them. The pa rts do the same job as that welded brace on your plane, so you should be goo d, assuming that both bellcranks have a similar brace as in the photo. Your b race is at least as strong as the the ones provided in the kit from Kolb. > > My plane has no braces attached to the end of the bellcrank pivot bolts. I can see how the bolt or the weld could be weakened over time due to the rep eated bending loads from the bellcrank. > > The kit from Kolb includes two braces and the pop rivets needed to attach t hem to the root tube. The rivet holes are not drilled in the braces. One of t he braces needed to be modified with a rotary file in order to fit on my 198 5 Firestar. On my airframe, there's a little piece of tubing that secures th e fuel tank welded about 3/4" away from the aileron bell crank. The new brac ket needs to be filed down by at least 1/4" in order to clear the fuel tank b race tube. I think I can make the Kolb bracket work. If not, I guess I'll we ld on a bracket like yours. > > I applaud Kolb for taking the initiative to identify and engineer a fix fo r this problem. > > -------- > There is something fascinating about science. One gets such wholesale retu rns of conjecture out of such a trifling investment of fact. > > Mark Twain > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=490817#490817 > > > > > > > > > > ========================== ========= ========================== ========= ========================== ========= ========================== ========= ========================== ========= > > > ________________________________ Message 3 _____________________________________ Time: 08:17:05 AM PST US From: John Hauck Subject: RE: Kolb-List: Re: Kolb air airworthiness directive R290IGhvbWUgMiBBdWcuICBHcmVhdCB0cmlwLiAgMy41IG1vbnRocy4gIDYsMzAzLjIgbWlsZXMu ICA0MTYgaG91cnMgZWFjaCBlbmdpbmUuICAyLDg5MCBnYWwgZ2FzLiAgRGlkbid0IHdhbnQgdG8g Y29tZSBob21lLiAgOy0pDQoNCk1pc3MgUCdmZXIsIG15IE1LSUlJLCBsYW5ndWlzaGVzIGluIHRo ZSBoYW5nZXIgYXQgR2FudHQgSW50ZXJuYXRpb25hbCBBaXJwb3J0Lg0KDQpqb2huIGgNCm1rSUlJ DQpUaXR1cywgQWxhYmFtYQ0KDQpGcm9tOiBvd25lci1rb2xiLWxpc3Qtc2VydmVyQG1hdHJvbmlj 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Fly-in SG93IGFib3V0IGEgMjAxMiBSQU0gU0xUIENyZXcgQ2FiIExvbmcgQmVkIDRXRCB3aXRoIDV0aCB3 aGVlbCBhbmQgUlpSPw0KDQpJIGNhbiBhbG1vc3QgZ2V0IGl0IHRvIGZseSwgYnV0IG5vdCBxdWl0 ZS4NCg0KSSdsbCBiZSB0aGVyZSBMb3JkIHdpbGxpbmcgYW5kIHRoZSBjcmVlayBkb24ndCByaXNl Lg0KDQpqb2huIGgNCm1rSUlJDQpUaXR1cywgQWxhYmFtYQ0KDQpGcm9tOiBvd25lci1rb2xiLWxp c3Qtc2VydmVyQG1hdHJvbmljcy5jb20gW21haWx0bzpvd25lci1rb2xiLWxpc3Qtc2VydmVyQG1h dHJvbmljcy5jb21dIE9uIEJlaGFsZiBPZiBMYXJyeSBDb3R0cmVsbA0KU2VudDogVHVlc2RheSwg QXVndXN0IDEzLCAyMDE5IDg6NDAgUE0NClRvOiBrb2xiLWxpc3RAbWF0cm9uaWNzLmNvbQ0KU3Vi amVjdDogS29sYi1MaXN0OiBGbHktaW4NCg0KSSB3YW50IHRvIHJlbWluZCBldmVyeSBvbmUgb2Yg b3VyIGFubnVhbCBSb2NrIEhvdXNlIEZseS1pbiBhZ2FpbiwgU2VwdCA3dGggdGlsbCB3ZSBkcm9w LiBhbGwgb24gdGhpcyBsaXN0IGFyZSB3ZWxjb21lIHJlZ2FyZGxlc3Mgb2Ygd2hhdCB5b3UgZmx5 LiA0MiA0MC40MTkgTi0tIDExNyA1MS4xOTggVw0KDQpMYXJyeQ0KDQotLQ0KVGhlIG9sZGVyIEkg Z2V0LCB0aGUgbGVzcyB0b2xlcmFudCBJIGFtIG9mIHRob3NlIHdobyBhcmUgaW50b2xlcmFudCBv ZiBvdGhlcnMuDQoNCklmIHlvdSBmb3J3YXJkIHRoaXMgZW1haWwsIG9yIGFueSBwYXJ0IG9mIGl0 LCBwbGVhc2UgcmVtb3ZlIG15IGVtYWlsIGFkZHJlc3MgYmVmb3JlIHNlbmRpbmcuDQo ________________________________ Message 6 _____________________________________ Time: 06:53:46 PM PST US From: Larry Cottrell Subject: Re: Kolb-List: Fly-in eagerly waiting for one and all. Larry On Tue, Aug 13, 2019 at 7:49 PM John Hauck wrote: > How about a 2012 RAM SLT Crew Cab Long Bed 4WD with 5th wheel and RZR? > > > I can almost get it to fly, but not quite. > > > I'll be there Lord willing and the creek don't rise. > > > john h > > mkIII > > Titus, Alabama > > > *From:* owner-kolb-list-server@matronics.com [mailto: > owner-kolb-list-server@matronics.com] *On Behalf Of *Larry Cottrell > *Sent:* Tuesday, August 13, 2019 8:40 PM > *To:* kolb-list@matronics.com > *Subject:* Kolb-List: Fly-in > > > I want to remind every one of our annual Rock House Fly-in again, Sept 7th > till we drop. all on this list are welcome regardless of what you fly. 42 > 40.419 N-- 117 51.198 W > > > Larry > > > -- > > *The older I get, the less tolerant I am of those who are intolerant of > others.* > > > *If you forward this email, or any part of it, please remove my email > address before sending.* > -- *The older I get, the less tolerant I am of those who are intolerant of others.* *If you forward this email, or any part of it, please remove my email address before sending.* ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message kolb-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Kolb-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/kolb-list Browse Digests http://www.matronics.com/digest/kolb-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.