Kolb-List Digest Archive

Sun 10/12/03


Total Messages Posted: 9



Today's Message Index:
----------------------
 
     1. 03:24 AM - Re: exhaust (jerb)
     2. 07:25 AM - Re: exhaust (Larry Bourne)
     3. 09:38 AM - Re: exhaust (jerb)
     4. 12:13 PM - Finishing tapes (roger.hankins@kodak.com)
     5. 02:50 PM - Thank You and Farewell (L. Ray Baker)
     6. 02:54 PM - enclosure (ron wehba)
     7. 05:53 PM - Re: Thank You and Farewell (Beauford)
     8. 07:03 PM -  (JACKIE AND DALE SELLERS)
     9. 11:53 PM - Re:  (Larry Bourne)
 
 
 


Message 1


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    Time: 03:24:37 AM PST US
    From: jerb <ulflyer@verizon.net>
    Subject: Re: exhaust
    --> Kolb-List message posted by: jerb <ulflyer@verizon.net> I don't think putting your stacks up is a good suggestion. If your plane were to be out side in the open during a rain, especially an intense rain, its likely you would get water in the stacks and into the cylinders - besides not being good for the cylinders, it could cause an immediate hydraulic lock when you come to turn the engine over at start or even moving the prop. Very likely to bend a connecting rod without even realizing it. jerb At 05:43 PM 10/9/03 -0700, you wrote: >--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> > >Seems to me this was discussed quite a while back, and the general consensus >was that it wouldn't hurt the prop, cause it's spending so much more time in >cool air - unless you REally get extreme. If you do decide to turn the >stacks, I would think about pointing the stacks straight up, or at an angle >up, rather than down, tho'...............think of how much less noise it >will make for those on the ground, when you fly over. A serious thought for >these times. A thought filtering in from long ago............if the >stacks are too short, and you have a long overlap cam, it can suck cool air >back to the exhaust valve, and warp it. There's been extensive research >done on "tuned" stacks, and for our RPM range I think you'll find that your >most efficient length will be somewhere around 20 - 30 inches. (my pore ol' >memory's fading) Seems to me that properly tuned stacks are also much >quieter, and the concept is solidly proven. You might also look into a >"balance tube" between the stacks. In some cases they can make a >significant difference. Lar. > >Larry Bourne >Palm Springs, CA >Kolb Mk III - Vamoose N78LB >www.gogittum.com > >----- Original Message ----- >From: "Paul Petty" <ppetty@c-gate.net> >To: <kolb-list@matronics.com> >Subject: Kolb-List: exhaust > > > > --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net> > > > > > > Kolbers, > > I have a question for the list about exhaust into the prop. I notice on > > just about all engine applications on Kolb's the exhaust is sent right > > through the prop.Really close! Where is the line drawn on where the > > exhaust is directed into the prop wash? I am working, during the day, on > > the HD and the exhaust from the engine differ's somewhat from muffled > > engines in that it is a way bigger "puff" of air per stroke of the > > crank. Pulses of exhaust from the HD can be felt and even blow the hat > > off your head from as far away as 5 feet away so I'm wondering what > > affect this will have on the prop. Also there is the heat factor. With > > short headers say 8" or so, flames are present at full throttle... not > > good... The exhaust pipes I am working on will be 12 to 16 inches long > > and may even emit some flames but I'm thinking of pointing them > > straight down at the rear of the fuselage between the flaps. Sure don't > > want to burn the prop off. > > > > just thinkin.... > > > > pp > > Building King Kolbra 012 > > Harley Davidson Power > > www.c-gate.net/~ppetty > > > > > > do not archive > > > > > > <META content"MSHTML 6.00.2800.1126" nameGENERATOR> > > <STYLE></STYLE> > > > > > > Kolbers, > > I have a question for the list about > > exhaust into > > the prop. I notice on just about all engine applications on Kolb's the > > exhaust > > is sent right through the prop.Really close! Where is the line > > drawn on > > where the exhaust is directed into the prop wash? I am working, during > > the day, > > on the HD and the exhaust from the engine differ's somewhat from muffled > > engines > > in that it is a way bigger "puff" of air per stroke of the crank. Pulses > > of > > exhaust from the HD can be felt and even blow the hat off your head from > > as far > > away as 5 feet away so I'm wondering what affect this will have on the > > prop. > > Also there is the heat factor. With short headers say 8" or so, flames > > are > > present at full throttle... not good... The exhaust pipes I am working > > on will > > be12 to 16 inches long and may even emit some flames but > > I'mthinking of pointing them straight down at the rear of the > > fuselage > > between the flaps. Sure don't want to burn the prop off. > > > > just thinkin.... > > > > pp Building King Kolbra > > 012 Harley Davidson > > Power <A > > href"http://www.c-gate.net/~ppetty">www.c-gate.net/~ppetty > > > > > > do not > > archive > > > > > >


    Message 2


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    Time: 07:25:30 AM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: exhaust
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> You do have a point, but it's easily taken care of. When I bought my Baja Bug, it had a stinger exhaust, (straight up) and at night in bad weather, I just put an empty can over it. This is also very common with heavy equipment - and those guys DO worry about their big, expensive engines. For short term, say a 1 or 2 hour stop, I wouldn't worry about it. Lar. Larry Bourne Palm Springs, CA Kolb Mk III - Vamoose N78LB www.gogittum.com ----- Original Message ----- From: "jerb" <ulflyer@verizon.net> Subject: Re: Kolb-List: exhaust > --> Kolb-List message posted by: jerb <ulflyer@verizon.net> > > I don't think putting your stacks up is a good suggestion. > If your plane were to be out side in the open during a rain, especially an > intense rain, its likely you would get water in the stacks and into the > cylinders - besides not being good for the cylinders, it could cause an > immediate hydraulic lock when you come to turn the engine over at start or > even moving the prop. Very likely to bend a connecting rod without even > realizing it. > jerb > > At 05:43 PM 10/9/03 -0700, you wrote: > >--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> > > > >Seems to me this was discussed quite a while back, and the general consensus > >was that it wouldn't hurt the prop, cause it's spending so much more time in > >cool air - unless you REally get extreme. If you do decide to turn the > >stacks, I would think about pointing the stacks straight up, or at an angle > >up, rather than down, tho'...............think of how much less noise it


    Message 3


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    Time: 09:38:57 AM PST US
    From: jerb <ulflyer@verizon.net>
    Subject: Re: exhaust
    --> Kolb-List message posted by: jerb <ulflyer@verizon.net> You've got a very valid point there Lar - tractors and heavy equipment do exhaust up and there sitting outside most of there life. The heavy equipment quite often has a little flipper paddle at the output but I've seen many tractors without them...... jerb At 07:25 AM 10/12/03 -0700, you wrote: >--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> > >You do have a point, but it's easily taken care of. When I bought my Baja >Bug, it had a stinger exhaust, (straight up) and at night in bad weather, I >just put an empty can over it. This is also very common with heavy >equipment - and those guys DO worry about their big, expensive engines. For >short term, say a 1 or 2 hour stop, I wouldn't worry about it. >Lar. > >Larry Bourne >Palm Springs, CA >Kolb Mk III - Vamoose N78LB >www.gogittum.com > >----- Original Message ----- >From: "jerb" <ulflyer@verizon.net> >To: <kolb-list@matronics.com> >Subject: Re: Kolb-List: exhaust > > > > --> Kolb-List message posted by: jerb <ulflyer@verizon.net> > > > > I don't think putting your stacks up is a good suggestion. > > If your plane were to be out side in the open during a rain, especially an > > intense rain, its likely you would get water in the stacks and into the > > cylinders - besides not being good for the cylinders, it could cause an > > immediate hydraulic lock when you come to turn the engine over at start or > > even moving the prop. Very likely to bend a connecting rod without even > > realizing it. > > jerb > > > > At 05:43 PM 10/9/03 -0700, you wrote: > > >--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> > > > > > >Seems to me this was discussed quite a while back, and the general >consensus > > >was that it wouldn't hurt the prop, cause it's spending so much more time >in > > >cool air - unless you REally get extreme. If you do decide to turn the > > >stacks, I would think about pointing the stacks straight up, or at an >angle > > >up, rather than down, tho'...............think of how much less noise it > >


    Message 4


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    Time: 12:13:13 PM PST US
    Subject: Finishing tapes
    From: roger.hankins@kodak.com
    10/12/2003 03:12:45 PM, Serialize complete at 10/12/2003 03:12:45 PM --> Kolb-List message posted by: roger.hankins@kodak.com Russell: I put finishing tapes around all of my control surfaces except for the ailerons. I used bias weave HS90X pinked edge tape. The HS90X is a high thread count light weight fabric that is no longer made I believe. It worked pretty well as the individual fibers were very small making it very limp and flexible. The only problem was there were a few spots where the weave didn't want to fill properly, leaving pin holes. I think this may have been because the finishing tape was a different weave and weight than the covering material. All other fabric on the plane is lightweight stits as supplied with the kit. The firestar has 185 hours on it now and is holding up pretty well. The extra protection you get fron the finishing tape is worth the time it takes to put on. Folding and unfolding takes it's toll over time. If I ever do a recover job, I will put finish tape everywhere tubing touches the fabric. All it takes is a dropped pair of pliers or a wrench hitting the thin fabric over a tube and you have a hole to patch. Take your time, use a good bias weave tape of the most flexible type you can find and you will be pleased with the results. Roger Hankins Ashland, OR


    Message 5


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    Time: 02:50:20 PM PST US
    From: "L. Ray Baker" <rbaker-@atlantic.net>
    Subject: Thank You and Farewell
    --> Kolb-List message posted by: "L. Ray Baker" <rbaker-@atlantic.net> Kolb Listers, one and all; Due to personal circumstances, I have found it prudent to sell my Mark III (N629RB). The new owner is here in Florida and is presently flying out of Hidden Lake at Port Richey. I believe there are some other Kolb owners near that facility. I think the new owner, <skywaylodge> is already lurking on the list. I want to take this opportunity to thank all of the many Kolb-Listers who have been so generous with their assistance, friendship and support over the last 5 years. I will especially miss: The expertise of John Hauck laced with common sense, which he shares so willing. A special thanks for the 912 engine mounts. He leads the way. Big Lar, who is a great correspondent and I think builder, when he is not gadding about the country. The only person I know of building a plane on his front porch, where it gets hot enough to blister. The guy knows how to live! Jim and Dondi Miller who are so personable, I actually enjoyed getting in trouble during the Stits process, so I could have an excuse to call them. They give rare meaning to the term "service". Lip Laurie who maintains the Builder/Pilot, list to keep us all acquainted. Beauford, the Aluminum Butcher of Brandon, who can create humor from disaster. I still find it hard to believe that he did not kill that cat! Steve Green who was the source of several neat ideas. Dennis Souder who gave me some much needed assurance in the early stages of the building process. (1999). Matt Dralle for the list. He has constantly improved it, and been immediate in his response when problems developed. It is a great resource and he does it on donations, not by charging. Richard Pike and 42op (old poops). Lots of good sound advice and the benefit of his experience. His pictures helped. There are many more, some of whom I was lucky enough to meet at Sun-N-Fun. I wish I could list them all but what do you expect from and old man? My memory's shot! Thanks also to TNK. They were with me to the end. Listing on their classified sold the plane. They also quick shipped me a new gear leg last week. I guess I do not have to explain why I needed it! I am divesting myself of all things "Airplane". It is too much like being a "Diabetic in a Candy Store". So, with this swan song I am leaving the list. Wishing you all, lots of fun building and flying. Keep it Safe! L. Ray Baker Gainesville, FL Mark III Classic N 629 RB


    Message 6


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    Time: 02:54:09 PM PST US
    From: "ron wehba" <rwehba@wtxs.net>
    Subject: enclosure
    --> Kolb-List message posted by: "ron wehba" <rwehba@wtxs.net> anyone have a ultrastar with a enclosure for winter??, Need some pic's ,,thanks ron in tx.


    Message 7


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    Time: 05:53:44 PM PST US
    From: "Beauford" <beauford@tampabay.rr.com>
    Subject: Re: Thank You and Farewell
    --> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com> Brother Baker... You will be missed, Sir... Been a genuine pleasure corresponding with you via the list... All My Best, Beauford do not archive ----- Original Message ----- From: "L. Ray Baker" <To: "Kolb-List" <> Subject: Kolb-List: Thank You and Farewell > --> Kolb-List message posted by: "L. Ray Baker" <rbaker-@atlantic.net> > > Kolb Listers, one and all; > > Due to personal circumstances, I have found it prudent to sell my Mark III (N629RB).


    Message 8


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    Time: 07:03:00 PM PST US
    From: "JACKIE AND DALE SELLERS" <jsel@vol.com>
    Subject:
    --> Kolb-List message posted by: "JACKIE AND DALE SELLERS" <jsel@vol.com> I haven't been on for about eight months because I was going through chemo treatment. I finished the treatments and the Ultra Star I have been rebuilding for about a year and a half. Last Wednesday, I flew it for the first time. It was really a hoot. I'm glad I was able to finish and fly it. It flew just fine. It was more fun than I had imagined. Georgia Ultra Star Jackie & Dale


    Message 9


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    Time: 11:53:45 PM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re:
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> That is fantastic news.............good on you ! ! ! From what I've seen of chemo, it's a major accomplishment to just keep going, and for you to finish and fly your airplane is tremendous. You humble me.............I'm still just fumbling along. Keep 'er up. Lar. Do not Archive. Larry Bourne Palm Springs, CA Kolb Mk III - Vamoose N78LB www.gogittum.com ----- Original Message ----- From: "JACKIE AND DALE SELLERS" <jsel@vol.com> Subject: Kolb-List: > --> Kolb-List message posted by: "JACKIE AND DALE SELLERS" <jsel@vol.com> > > I haven't been on for about eight months because I was going through chemo treatment. I finished the treatments and the Ultra > Star I have been rebuilding for about a year and a half. Last Wednesday, I flew it for the first time. It was really a hoot. I'm glad I was able to finish and fly it. It flew just fine. It was more fun than I had imagined. > > Georgia Ultra Star > Jackie & Dale > >




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