---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Wed 03/08/17: 12 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:47 AM - Ultraster Rib Stampings info wanted (Clay.S) 2. 08:47 AM - Re: Ultraster Rib Stampings info wanted (John Hauck) 3. 09:19 AM - Re: Ultraster Rib Stampings info wanted (Herb) 4. 01:51 PM - Re: Ultraster Rib Stampings info wanted (Richard Pike) 5. 03:03 PM - Re: Re: Ultraster Rib Stampings info wanted (John Hauck) 6. 03:31 PM - Re: Re: Ultraster Rib Stampings info wanted (Bill Berle) 7. 03:47 PM - Re: Re: Ultraster Rib Stampings info wanted (Herb) 8. 03:58 PM - Kolb Slingshot Project (Bill Berle) 9. 04:09 PM - Re: Kolb Slingshot Project (Herb) 10. 04:19 PM - Re: Re: Ultraster Rib Stampings info wanted (John Hauck) 11. 04:30 PM - Re: Kolb Slingshot Project (John Hauck) 12. 06:34 PM - Re: Ultraster Rib Stampings info wanted (Clay.S) ________________________________ Message 1 _____________________________________ Time: 07:47:45 AM PST US Subject: Kolb-List: Ultraster Rib Stampings info wanted From: "Clay.S" I'd like to know the gauge and alloy on the aluminum used on the Ulstrastar rib stampings if anyone has that info. My Ultrastar "kit" is missing the rib stampings, so I have a call into the factory re purchasing them if they are still the same as current designs, but otherwise will need to fabricate them - many thanks. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467015#467015 ________________________________ Message 2 _____________________________________ Time: 08:47:12 AM PST US From: "John Hauck" Subject: RE: Kolb-List: Ultraster Rib Stampings info wanted US main spar rib gusset should be the same as the FS, FSII, FSKX. john h MKIII Titus, AL -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Clay.S Sent: Wednesday, March 08, 2017 9:48 AM Subject: Kolb-List: Ultraster Rib Stampings info wanted I'd like to know the gauge and alloy on the aluminum used on the Ulstrastar rib stampings if anyone has that info. My Ultrastar "kit" is missing the rib stampings, so I have a call into the factory re purchasing them if they are still the same as current designs, but otherwise will need to fabricate them - many thanks. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467015#467015 ________________________________ Message 3 _____________________________________ Time: 09:19:58 AM PST US Subject: Re: Kolb-List: Ultraster Rib Stampings info wanted From: Herb I went to my Aircraft Spruce north store, better known as a tobacco barn, and measured .029/.030 there bouts... .025 and .032 are the thicknesss shown at Aircraft Spruce south.. Doubt that it would be 2024 t3 as I do not think it would stand up to rolling the lip. And rolling the lip for the spar tube requires a die and a specialized tool with a couple of bearings . Maybe a modified boring tool....used in a vertical mill.. Last time I asked...TNK did not want to sell parts for ribs...and ribs were maybe 75 bucks..likely near 100 now..for that was 10 years ago... There should be broken wings and kits laying here and there...I think the Firefly also uses that rib..Same shape and spar hole...only difference might be thinner gussets and the spar flange gusset...Herb On 03/08/2017 10:47 AM, John Hauck wrote: > > US main spar rib gusset should be the same as the FS, FSII, FSKX. > > john h > MKIII > Titus, AL > > -----Original Message----- > From: owner-kolb-list-server@matronics.com > [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Clay.S > Sent: Wednesday, March 08, 2017 9:48 AM > To: kolb-list@matronics.com > Subject: Kolb-List: Ultraster Rib Stampings info wanted > > > I'd like to know the gauge and alloy on the aluminum used on the Ulstrastar > rib stampings if anyone has that info. > > My Ultrastar "kit" is missing the rib stampings, so I have a call into the > factory re purchasing them if they are still the same as current designs, > but otherwise will need to fabricate them - many thanks. > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=467015#467015 > > -- "Masculine republics give way to feminine democracies, and feminine democracies give way to tyranny." Aristotle ________________________________ Message 4 _____________________________________ Time: 01:51:56 PM PST US Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted From: "Richard Pike" Not sure, but I think these might be US parts. Welcome to them if you want them. -------- Richard Pike Kolb MKIII N420P (420ldPoops) Kingsport, TN 3TN0 Forgiving is tough. Being forgiven is wonderful. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467052#467052 Attachments: http://forums.matronics.com//files/p1050730_medium_207.jpg http://forums.matronics.com//files/p1050729_medium_157.jpg ________________________________ Message 5 _____________________________________ Time: 03:03:12 PM PST US From: "John Hauck" Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted US main spar attachment on inboard rib had little torsional resistance. Huge barn door full span ailerons would twist the wing and cancel out the aileron input. Could not be ham fisted or fly the US aggressively in roll. That really bothered me when I first started flying my US. My US was the first fixed wing I had ever flown. I was used to rotary wing input and results. First time I dove on my house and tried to pull out with a big wingover the US kept right on heading for the lake. I had a lot to learn about flying Kolbs. My original FS had the new ring main spar attach system with minimal wing twist. What a great improvement. I was upset about the US wing twist until I talked with an old AF bomber pilot and his experience with wing twist. Seems he flew the B-47 for a spell and had the same wing twist problem with it as I did my little UL. I felt a little better after I discovered that. He said aileron input promptly canceled out with wing twist. Had to be gentle flying the B-47. john h mkIII Titus, AL -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Richard Pike Sent: Wednesday, March 08, 2017 3:51 PM Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted --> Not sure, but I think these might be US parts. Welcome to them if you want them. -------- Richard Pike Kolb MKIII N420P (420ldPoops) Kingsport, TN 3TN0 Forgiving is tough. Being forgiven is wonderful. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467052#467052 Attachments: http://forums.matronics.com//files/p1050730_medium_207.jpg http://forums.matronics.com//files/p1050729_medium_157.jpg ________________________________ Message 6 _____________________________________ Time: 03:31:36 PM PST US From: Bill Berle Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted John H do you know what the mechanical/structural difference was between the US and later FS wing attach structure? Sincea large tubular spar itself is fairly resistant to torsional movement, where was the "weakness" or lack of stiffness that allowed the wing to twist? Bill Berle www.ezflaphandle.com - safety & performance upgrade for light aircraft www.grantstar.net - winning proposals for non-profit and for-profit entities -------------------------------------------- On Wed, 3/8/17, John Hauck wrote: Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted To: kolb-list@matronics.com Date: Wednesday, March 8, 2017, 3:02 PM "John Hauck" US main spar attachment on inboard rib had little torsional resistance. Huge barn door full span ailerons would twist the wing and cancel out the aileron input. Could not be ham fisted or fly the US aggressively in roll. That really bothered me when I first started flying my US. My US was the first fixed wing I had ever flown. I was used to rotary wing input and results. First time I dove on my house and tried to pull out with a big wingover the US kept right on heading for the lake. I had a lot to learn about flying Kolbs. My original FS had the new ring main spar attach system with minimal wing twist. What a great improvement. I was upset about the US wing twist until I talked with an old AF bomber pilot and his experience with wing twist. Seems he flew the B-47 for a spell and had the same wing twist problem with it as I did my little UL. I felt a little better after I discovered that. He said aileron input promptly canceled out with wing twist. Had to be gentle flying the B-47. john h mkIII Titus, AL -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Richard Pike Sent: Wednesday, March 08, 2017 3:51 PM To: kolb-list@matronics.com Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted --> Not sure, but I think these might be US parts. Welcome to them if you want them. -------- Richard Pike Kolb MKIII N420P (420ldPoops) Kingsport, TN 3TN0 Forgiving is tough. Being forgiven is wonderful. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467052#467052 Attachments: http://forums.matronics.com//files/p1050730_medium_207.jpg http://forums.matronics.com//files/p1050729_medium_157.jpg Forum - - MATRONICS WEB FORUMS - MATRONICS LIST WIKI - List Contribution Web Site - -Matt Dralle, List Admin. ________________________________ Message 7 _____________________________________ Time: 03:47:28 PM PST US Subject: Re: Kolb-List: Re: Ultraster Rib Stampings info wanted From: Herb Yep...That is what I removed them from...the root ribs ...but not the h sections...the other h section was from a boom tube ...Herb On 03/08/2017 03:51 PM, Richard Pike wrote: > > Not sure, but I think these might be US parts. Welcome to them if you want them. > > -------- > Richard Pike > Kolb MKIII N420P (420ldPoops) > Kingsport, TN 3TN0 > > Forgiving is tough. Being forgiven is wonderful. > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=467052#467052 > > > Attachments: > > http://forums.matronics.com//files/p1050730_medium_207.jpg > http://forums.matronics.com//files/p1050729_medium_157.jpg > > -- "Masculine republics give way to feminine democracies, and feminine democracies give way to tyranny." Aristotle ________________________________ Message 8 _____________________________________ Time: 03:58:02 PM PST US From: Bill Berle Subject: Kolb-List: Kolb Slingshot Project Kolbers, can anyone tell me whether the Slingshot is one of the more or less desirable of the Kolb line? I know it was the clipped wing "hot rod" of the Kolb line, for more experienced pilots. Higher speeds and probably more sporty handling. Not as much STOL performance as the long wing models. Yes, yes, there is a reason for this inquiry. I'm taking in a damaged but easily rebuildable Slingshot airframe (no engine/prop) as part of a larger trade. My question for the group is whether this is something that there will be a lot of interest in, or not as much interest as a Firefly, Firestar, Kolbra, etc. This particular aircraft has damage to both wings but the damage is reasonably minor. I do NOT believe the spars are bent, several of the wing ribs are bent. The ailerons are slightly bent, but easily repairable.The fiberglass nose is un-usable. Steel fuselage cage, tailboom, tail surfaces, engine mount, etc.all appear to be good. Flaperon system is there. Canopy enclosure is there but dirty. Aircraft was hangared before and since the damage, always located in the dry NV desert. Wing Struts, landing gear, fuel tanks, and instruments are missing. No paperwork or logbooks, but an N number does exist so you can probably get a replacement airworthiness certificate from the feds. I will be able to see the cage serial number when I go pick it up this weekend. Not having seen it yet (pictures will be forthcoming in a few days) ASSUMING my brief description is accurate, can anyone here still take a guess whether this rebuild project is worth $$$ X, Y, or Z??? Will the experienced Kolb people be elbowing each other out of the way to get at this? Of course I will formally advertise it on this list first, to give the group members first shot at it. Bill Berle www.ezflaphandle.com - safety & performance upgrade for light aircraft www.grantstar.net - winning proposals for non-profit and for-profit entities -------------------------------------------- On Wed, 3/8/17, John Hauck wrote: Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted To: kolb-list@matronics.com Date: Wednesday, March 8, 2017, 3:02 PM "John Hauck" US main spar attachment on inboard rib had little torsional resistance. Huge barn door full span ailerons would twist the wing and cancel out the aileron input. Could not be ham fisted or fly the US aggressively in roll. That really bothered me when I first started flying my US. My US was the first fixed wing I had ever flown. I was used to rotary wing input and results. First time I dove on my house and tried to pull out with a big wingover the US kept right on heading for the lake. I had a lot to learn about flying Kolbs. My original FS had the new ring main spar attach system with minimal wing twist. What a great improvement. I was upset about the US wing twist until I talked with an old AF bomber pilot and his experience with wing twist. Seems he flew the B-47 for a spell and had the same wing twist problem with it as I did my little UL. I felt a little better after I discovered that. He said aileron input promptly canceled out with wing twist. Had to be gentle flying the B-47. john h mkIII Titus, AL -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Richard Pike Sent: Wednesday, March 08, 2017 3:51 PM To: kolb-list@matronics.com Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted --> Not sure, but I think these might be US parts. Welcome to them if you want them. -------- Richard Pike Kolb MKIII N420P (420ldPoops) Kingsport, TN 3TN0 Forgiving is tough. Being forgiven is wonderful. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467052#467052 Attachments: http://forums.matronics.com//files/p1050730_medium_207.jpg http://forums.matronics.com//files/p1050729_medium_157.jpg Forum - - MATRONICS WEB FORUMS - MATRONICS LIST WIKI - List Contribution Web Site - -Matt Dralle, List Admin. ________________________________ Message 9 _____________________________________ Time: 04:09:55 PM PST US Subject: Re: Kolb-List: Kolb Slingshot Project From: Herb I may be wrong ,, but I think building and flying a Slingshot was the impetus that caused Bruce Chestnut to buy the company... . I bought the red one that may still be on the Kolb site. Came from the Somerset Ky area...500 hour 582 so I let it sit in the barn til someone came along....went to Indiana or Ill as I recall..By the way...those 500 + hours were on a B box with a Warp drive...??? Herb On 03/08/2017 05:56 PM, Bill Berle wrote: > > Kolbers, can anyone tell me whether the Slingshot is one of the more or less desirable of the Kolb line? I know it was the clipped wing "hot rod" of the Kolb line, for more experienced pilots. Higher speeds and probably more sporty handling. Not as much STOL performance as the long wing models. > > Yes, yes, there is a reason for this inquiry. I'm taking in a damaged but easily rebuildable Slingshot airframe (no engine/prop) as part of a larger trade. My question for the group is whether this is something that there will be a lot of interest in, or not as much interest as a Firefly, Firestar, Kolbra, etc. > > This particular aircraft has damage to both wings but the damage is reasonably minor. I do NOT believe the spars are bent, several of the wing ribs are bent. The ailerons are slightly bent, but easily repairable.The fiberglass nose is un-usable. Steel fuselage cage, tailboom, tail surfaces, engine mount, etc.all appear to be good. Flaperon system is there. Canopy enclosure is there but dirty. Aircraft was hangared before and since the damage, always located in the dry NV desert. > > Wing Struts, landing gear, fuel tanks, and instruments are missing. No paperwork or logbooks, but an N number does exist so you can probably get a replacement airworthiness certificate from the feds. I will be able to see the cage serial number when I go pick it up this weekend. > > Not having seen it yet (pictures will be forthcoming in a few days) ASSUMING my brief description is accurate, can anyone here still take a guess whether this rebuild project is worth $$$ X, Y, or Z??? Will the experienced Kolb people be elbowing each other out of the way to get at this? > > Of course I will formally advertise it on this list first, to give the group members first shot at it. > > > Bill Berle > www.ezflaphandle.com - safety & performance upgrade for light aircraft > www.grantstar.net - winning proposals for non-profit and for-profit entities > > -------------------------------------------- > On Wed, 3/8/17, John Hauck wrote: > > Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted > To: kolb-list@matronics.com > Date: Wednesday, March 8, 2017, 3:02 PM > > "John Hauck" > > US main spar attachment on inboard rib had little torsional > resistance. > Huge barn door full span ailerons would twist the wing and > cancel out the > aileron input. Could not be ham fisted or fly the US > aggressively in roll. > That really bothered me when I first started flying my > US. My US was the > first fixed wing I had ever flown. I was used to > rotary wing input and > results. First time I dove on my house and tried to > pull out with a big > wingover the US kept right on heading for the lake. I > had a lot to learn > about flying Kolbs. > > My original FS had the new ring main spar attach system with > minimal wing > twist. What a great improvement. > > I was upset about the US wing twist until I talked with an > old AF bomber > pilot and his experience with wing twist. Seems he > flew the B-47 for a > spell and had the same wing twist problem with it as I did > my little UL. I > felt a little better after I discovered that. He said > aileron input > promptly canceled out with wing twist. Had to be > gentle flying the B-47. > > john h > mkIII > Titus, AL > > -----Original Message----- > From: owner-kolb-list-server@matronics.com > [mailto:owner-kolb-list-server@matronics.com] > On Behalf Of Richard Pike > Sent: Wednesday, March 08, 2017 3:51 PM > To: kolb-list@matronics.com > Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted > > --> > > Not sure, but I think these might be US parts. Welcome to > them if you want > them. > > -------- > Richard Pike > Kolb MKIII N420P (420ldPoops) > Kingsport, TN 3TN0 > > Forgiving is tough. Being forgiven is wonderful. > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=467052#467052 > > > > > Attachments: > > http://forums.matronics.com//files/p1050730_medium_207.jpg > http://forums.matronics.com//files/p1050729_medium_157.jpg > > > > > > > > Forum - > - MATRONICS WEB FORUMS - > MATRONICS LIST WIKI - > List Contribution Web Site - > -Matt > Dralle, List Admin. > > > > > > -- "Masculine republics give way to feminine democracies, and feminine democracies give way to tyranny." Aristotle ________________________________ Message 10 ____________________________________ Time: 04:19:05 PM PST US From: "John Hauck" Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted The wing twisted because there were only two tubes, top and bottom of main spar, to prevent twist. The FS had a full 4130 band (ring) same same the tail post ring to prevent twist. You'd have a hard time twisting the 5 and 6 inch spars. john h mkIII Titus, Alabama -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Bill Berle Sent: Wednesday, March 08, 2017 5:30 PM Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted John H do you know what the mechanical/structural difference was between the US and later FS wing attach structure? Sincea large tubular spar itself is fairly resistant to torsional movement, where was the "weakness" or lack of stiffness that allowed the wing to twist? Bill Berle www.ezflaphandle.com - safety & performance upgrade for light aircraft www.grantstar.net - winning proposals for non-profit and for-profit entities -------------------------------------------- On Wed, 3/8/17, John Hauck wrote: Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted To: kolb-list@matronics.com Date: Wednesday, March 8, 2017, 3:02 PM "John Hauck" US main spar attachment on inboard rib had little torsional resistance. Huge barn door full span ailerons would twist the wing and cancel out the aileron input. Could not be ham fisted or fly the US aggressively in roll. That really bothered me when I first started flying my US. My US was the first fixed wing I had ever flown. I was used to rotary wing input and results. First time I dove on my house and tried to pull out with a big wingover the US kept right on heading for the lake. I had a lot to learn about flying Kolbs. My original FS had the new ring main spar attach system with minimal wing twist. What a great improvement. I was upset about the US wing twist until I talked with an old AF bomber pilot and his experience with wing twist. Seems he flew the B-47 for a spell and had the same wing twist problem with it as I did my little UL. I felt a little better after I discovered that. He said aileron input promptly canceled out with wing twist. Had to be gentle flying the B-47. john h mkIII Titus, AL -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Richard Pike Sent: Wednesday, March 08, 2017 3:51 PM To: kolb-list@matronics.com Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted --> Not sure, but I think these might be US parts. Welcome to them if you want them. -------- Richard Pike Kolb MKIII N420P (420ldPoops) Kingsport, TN 3TN0 Forgiving is tough. Being forgiven is wonderful. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=467052#467052 Attachments: http://forums.matronics.com//files/p1050730_medium_207.jpg http://forums.matronics.com//files/p1050729_medium_157.jpg Forum - - MATRONICS WEB FORUMS - MATRONICS LIST WIKI - List Contribution Web Site - -Matt Dralle, List Admin. ________________________________ Message 11 ____________________________________ Time: 04:30:21 PM PST US From: "John Hauck" Subject: RE: Kolb-List: Kolb Slingshot Project I flew Bruce's SS at London, Lakeland, and Oshkosh. Had a 912S with red valve covers then. Was a nice airplane and fun to fly. I also flew the original SS from old Kolb at Lakeland and Oshkosh. It had a 582 and performed well with that engine. One year at Lakeland I put a professional video cameraman and his huge camera in the back of the SS. He had to rest the front of the camera on my right shoulder. We rung the SS out chasing cows and alligators. It did a good job two up. john h mkIII Titus, Alabama -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Herb Sent: Wednesday, March 08, 2017 6:09 PM Subject: Re: Kolb-List: Kolb Slingshot Project I may be wrong ,, but I think building and flying a Slingshot was the impetus that caused Bruce Chestnut to buy the company... . I bought the red one that may still be on the Kolb site. Came from the Somerset Ky area...500 hour 582 so I let it sit in the barn til someone came along....went to Indiana or Ill as I recall..By the way...those 500 + hours were on a B box with a Warp drive...??? Herb On 03/08/2017 05:56 PM, Bill Berle wrote: > --> > > Kolbers, can anyone tell me whether the Slingshot is one of the more or less desirable of the Kolb line? I know it was the clipped wing "hot rod" of the Kolb line, for more experienced pilots. Higher speeds and probably more sporty handling. Not as much STOL performance as the long wing models. > > Yes, yes, there is a reason for this inquiry. I'm taking in a damaged but easily rebuildable Slingshot airframe (no engine/prop) as part of a larger trade. My question for the group is whether this is something that there will be a lot of interest in, or not as much interest as a Firefly, Firestar, Kolbra, etc. > > This particular aircraft has damage to both wings but the damage is reasonably minor. I do NOT believe the spars are bent, several of the wing ribs are bent. The ailerons are slightly bent, but easily repairable.The fiberglass nose is un-usable. Steel fuselage cage, tailboom, tail surfaces, engine mount, etc.all appear to be good. Flaperon system is there. Canopy enclosure is there but dirty. Aircraft was hangared before and since the damage, always located in the dry NV desert. > > Wing Struts, landing gear, fuel tanks, and instruments are missing. No paperwork or logbooks, but an N number does exist so you can probably get a replacement airworthiness certificate from the feds. I will be able to see the cage serial number when I go pick it up this weekend. > > Not having seen it yet (pictures will be forthcoming in a few days) ASSUMING my brief description is accurate, can anyone here still take a guess whether this rebuild project is worth $$$ X, Y, or Z??? Will the experienced Kolb people be elbowing each other out of the way to get at this? > > Of course I will formally advertise it on this list first, to give the group members first shot at it. > > > Bill Berle > www.ezflaphandle.com - safety & performance upgrade for light aircraft > www.grantstar.net - winning proposals for non-profit and for-profit entities > > -------------------------------------------- > On Wed, 3/8/17, John Hauck wrote: > > Subject: RE: Kolb-List: Re: Ultraster Rib Stampings info wanted > To: kolb-list@matronics.com > Date: Wednesday, March 8, 2017, 3:02 PM > > "John Hauck" > > US main spar attachment on inboard rib had little torsional > resistance. > Huge barn door full span ailerons would twist the wing and > cancel out the > aileron input. Could not be ham fisted or fly the US > aggressively in roll. > That really bothered me when I first started flying my > US. My US was the > first fixed wing I had ever flown. I was used to > rotary wing input and > results. First time I dove on my house and tried to > pull out with a big > wingover the US kept right on heading for the lake. I > had a lot to learn > about flying Kolbs. > > My original FS had the new ring main spar attach system with > minimal wing > twist. What a great improvement. > > I was upset about the US wing twist until I talked with an > old AF bomber > pilot and his experience with wing twist. Seems he > flew the B-47 for a > spell and had the same wing twist problem with it as I did > my little UL. I > felt a little better after I discovered that. He said > aileron input > promptly canceled out with wing twist. Had to be > gentle flying the B-47. > > john h > mkIII > Titus, AL > > -----Original Message----- > From: owner-kolb-list-server@matronics.com > [mailto:owner-kolb-list-server@matronics.com] > On Behalf Of Richard Pike > Sent: Wednesday, March 08, 2017 3:51 PM > To: kolb-list@matronics.com > Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted > > --> > > Not sure, but I think these might be US parts. Welcome to > them if you want > them. > > -------- > Richard Pike > Kolb MKIII N420P (420ldPoops) > Kingsport, TN 3TN0 > > Forgiving is tough. Being forgiven is wonderful. > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=467052#467052 > > > > > Attachments: > > http://forums.matronics.com//files/p1050730_medium_207.jpg > http://forums.matronics.com//files/p1050729_medium_157.jpg > > > > > > > > Forum - > - MATRONICS WEB FORUMS - > MATRONICS LIST WIKI - > List Contribution Web Site - > -Matt > Dralle, List Admin. > > > > > > -- "Masculine republics give way to feminine democracies, and feminine democracies give way to tyranny." Aristotle ________________________________ Message 12 ____________________________________ Time: 06:34:41 PM PST US Subject: Kolb-List: Re: Ultraster Rib Stampings info wanted From: "Clay.S" John H - thank you for the info on the stampings. Richard - thank you. I happen to have those parts but really appreciate the offer. 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