---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Sat 04/27/13: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 04:51 AM - Re: alignment (Lee) 2. 06:24 AM - Re: alignment (frank goodnight) 3. 09:19 AM - Fw: Flight to Louse Canyon- Part I (Larry Cottrell) 4. 09:20 AM - Fw: Louse Canyon Part II (Larry Cottrell) 5. 12:42 PM - Re: Fw: Louse Canyon Part II (Beauford) 6. 01:24 PM - Re: alignment (b young) 7. 01:46 PM - Re: alignment (Larry Cottrell) ________________________________ Message 1 _____________________________________ Time: 04:51:08 AM PST US From: "Lee" Subject: Re: Kolb-List: alignment boyd, Thanks for the response, My main problem now is that the landing gear keeps bending, just from going up and down the runway. It bends in the tapered portion of the aluminum legs, Is this taper for a reason other than weight ? I have been thinking about making adapters to put 1 1/2 inch fiberglass in place of the aluminum, also going to try cable bracing on the existing legs. I have a couple of dips in the runway that are not to kind to week landing gear. I don't own the property and the land owner for some reason doesn't want me to do anything to it to smooth it out. He also uses the surrounding field for hay. I have a CGS hawk single place that has fiberglass landing gear and it handles the dip fine. thanks, Lee ________________________________ Message 2 _____________________________________ Time: 06:24:25 AM PST US From: frank goodnight Subject: Re: Kolb-List: alignment Hi Lee, Hope you don't mind my butting in and adding my 2 cents worth.I had the same problem with my firestar. I weigh 235lb.and just a short taxi over moderatly rough ground would bend the alum gear. After talking to Larry Cottrel out in Oregon and Travis at the kolb factory, I bought some 4130 tubing from aircraft spruce I don't remember the the size or wall thickness( I'm sure Larry or Travis has that and the heat treat #) and had it heat treated to make it springy. Kolb will tell you the down side of this change is if you have a really rough landing you will bend the cage but that the soft alum gear is designed to bend and save the cage, be that as it may after 200 hrs and plenty of MUCH less than perfect landings, lots of them off airport, my gear is still as good as new and my cage is fine. Hope this helps. Frank Goodnight HKS engine chrome molly landing gear ________________________________ From: Lee Sent: Sat, April 27, 2013 6:51:14 AM Subject: Re: Kolb-List: alignment boyd, Thanks for the response, My main problem now is that the landing gear keeps bending, just from going up and down the runway. It bends in the tapered portion of the aluminum legs, Is this taper for a reason other than weight ? I have been thinking about making adapters to put 1 1/2 inch fiberglass in place of the aluminum, also going to try cable bracing on the existing legs. I have a couple of dips in the runway that are not to kind to week landing gear. I don't own the property and the land owner for some reason doesn't want me to do anything to it to smooth it out. He also uses the surrounding field for hay. I have a CGS hawk single place that has fiberglass landing gear and it handles the dip fine. thanks, Lee ________________________________ Message 3 _____________________________________ Time: 09:19:12 AM PST US Subject: Kolb-List: Fwd: Flight to Louse Canyon- Part I From: Larry Cottrell On Fri, Apr 26, 2013 at 7:35 PM, Larry Cottrell wrote: > http://vimeo.com/64928930 Password- owyheeflyer > > This is a two part video of a flight that I made this morning. I have to > admit that the geography here is still a bit confusing, and I may have > gotten some of the names wrong. The weather for a change was almost late > spring like. It was 59 and fairly light winds this morning. The flight was > an hour and 6 minutes and I burned about 4 gallons. It would be nice to be > able to fly this area in the middle of the day when the sun would hit the > bottom of some of these canyons, but I am afraid that it would be a bit > more excitement than I am willing to endure just so you can see the area. > Part two is in the making and will be posted later tonight. > Larry > > -- > *If you forward this email, or any part of it, please remove my email > address before sending.* > -- Jim -- *If you forward this email, or any part of it, please remove my email address before sending.* ________________________________ Message 4 _____________________________________ Time: 09:20:06 AM PST US Subject: Kolb-List: Fwd: Louse Canyon Part II From: Larry Cottrell ------------------------------ *From: *"Cottrell, Larry" *Sent: *Saturday, April 27, 2013 12:13:33 AM *Subject: *Louse Canyon Part II http://vimeo.com/64932416 Password- owyheeflyer Here is part II of today's flight. The names of places on the maps may or may not be the same as the ones known to the locals. In other words I may have some of the place names a bit off. Larry -- *If you forward this email, or any part of it, please remove my email address before sending.* -- *If you forward this email, or any part of it, please remove my email address before sending.* ________________________________ Message 5 _____________________________________ Time: 12:42:54 PM PST US From: "Beauford " Subject: RE: Kolb-List: Fwd: Louse Canyon Part II Brother Cottrell. Masterfully done. Captivating.. Made my day, sir. Thanks much. beauford FF-076 Brandon, FL Do not archive If you forward this e-mail, please remove my name before sending it... I promise to do the same for you... Thanks... From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Larry Cottrell Sent: Saturday, April 27, 2013 12:20 PM Subject: Kolb-List: Fwd: Louse Canyon Part II _____ From: "Cottrell, Larry" Sent: Saturday, April 27, 2013 12:13:33 AM Subject: Louse Canyon Part II http://vimeo.com/64932416 Password- owyheeflyer Here is part II of today's flight. The names of places on the maps may or may not be the same as the ones known to the locals. In other words I may have some of the place names a bit off. Larry -- ________________________________ Message 6 _____________________________________ Time: 01:24:30 PM PST US From: "b young" Subject: Re: Kolb-List: alignment lee the taper would be for weight and also flexibility... if the gear was too ridged all the shock of a rough landing would transfer to the cage. some on the list have made their own gear from round tubing, cut fit welded to shape, then heat treated to spring steel. somewhere in the back of my mind, it seems Kolb used some fiberglass gear, but went away from it, I don=99t know why. if you look in the archives, and do a search for straightening alum gear,, there will be some information you can find. seems you could only do it a couple times then had to buy new. I don=99t know about cable bracing... seems that would make things a bit ridged. good luck Boyd young do not archive From: Lee Sent: Saturday, April 27, 2013 5:50 AM Subject: Re: Kolb-List: alignment boyd, Thanks for the response, My main problem now is that the landing gear keeps bending, just from going up and down the runway. It bends in the tapered portion of the aluminum legs, Is this taper for a reason other than weight ? I have been thinking about making adapters to put 1 1/2 inch fiberglass in place of the aluminum, also going to try cable bracing on the existing legs. I have a couple of dips in the runway that are not to kind to week landing gear. I don't own the property and the land owner for some reason doesn't want me to do anything to it to smooth it out. He also uses the surrounding field for hay. I have a CGS hawk single place that has fiberglass landing gear and it handles the dip fine. thanks, Lee ________________________________ Message 7 _____________________________________ Time: 01:46:47 PM PST US Subject: Re: Kolb-List: alignment From: Larry Cottrell On Sat, Apr 27, 2013 at 7:23 AM, frank goodnight wrote: > Hi Lee, > Kolb will tell you the down side of this change is if you have a > really rough landing you will bend the cage but that the soft alum gear is > designed to bend and > save the cage. > ================================================================ Having lots of experience in bending landing gear, I believe that I might be an exdribble in the matter. (Not quite enough to qualify for exspurt quite yet. ) I think it might be the only case wherein Kolb has misjudged the damage factor between alum crumbling and causing a wreck, and spring steel causing malformation of the cage. One of my mishaps involved bending the landing gear far enough that the wheel turned, (Dropped it about 5 feet over a fence with the early smaller gear legs) and threw me into a ditch. The cage definitely bent and not from the impact. I have several times on a landing that I thought wasn't all that bad, ( for me at least) actually had enough compression that it would close the Master switch. ( It was a pull switch mounted flat) I got tired of the alum gear and managed to obtain a set of 4130 legs tempered to 46-48 Rockwell, and found that the spring of the 36 inch legs is a lot easier on the plane than the alum. If you hit hard, the spring of the legs will cushion a lot of the jolt, which I never found to be so with the Alum legs. Of course there is about a foot more leg sticking out than the alum and that would also be a factor. I am sure that my landings have gotten a bit better, but I have not bent anything nor shut off any switches since changing over. I believe that Travis could help you out with a set, and my opinion is that it is definitely worth the effort and cost. Larry ------------------------------------------------------------------------------------- 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.