Kolb-List Digest Archive

Sun 04/07/13


Total Messages Posted: 6



Today's Message Index:
----------------------
 
     1. 07:43 AM - Re: Re: Kolbra for sale (frank goodnight)
     2. 08:07 AM - Kolbra (Dennis)
     3. 10:08 AM - Re: Seat Security...How much is too much ! (Dennis Thate)
     4. 12:04 PM - Re: Kolbra (Ralph B)
     5. 04:10 PM - Exhaust Clamps - 447 (Beauford)
     6. 09:25 PM - Re: Exhaust Clamps - 447 (Richard Pike)
 
 
 


Message 1


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    Time: 07:43:31 AM PST US
    From: frank goodnight <frank.goodnight@att.net>
    Subject: Re: Kolbra for sale
    b ________________________________ From: Ralph B <rstar447@gmail.com> Sent: Sat, April 6, 2013 10:41:36 PM Subject: Kolb-List: Re: Kolbra for sale Use the @ for (at) ... -------- Ralph B Original Firestar 447 N91493 E-AB 1000+ hours 26 years flying it Kolbra 912ULS N20386 200 hours Read this topic online here: http://forums.matronics.com/viewtopic.php?p=398009#398009


    Message 2


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    Time: 08:07:47 AM PST US
    From: "Dennis" <retroman@frontier.com>
    Subject: Kolbra
    Do you have more detail information on your Kolbra


    Message 3


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    Time: 10:08:33 AM PST US
    Subject: Re: Seat Security...How much is too much !
    From: "Dennis Thate" <retroman@frontier.com>
    Found a large size 'Child's Car Seat' that works well. About 4 pounds after some serious butchering with my Reciprocating Sawsall . Quite comfortable and offers the tight fit I was looking for and .....only three bucks at a garage sale! -------- Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute. ~Gil Stern Read this topic online here: http://forums.matronics.com/viewtopic.php?p=398060#398060 Attachments: http://forums.matronics.com//files/dscn3878_130.jpg


    Message 4


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    Time: 12:04:33 PM PST US
    Subject: Re: Kolbra
    From: "Ralph B" <rstar447@gmail.com>
    "Dennis Thate" > Do you have more detail information on your Kolbra? Dennis, I assume you want the info on Larry's Kolbra. I can give all the info you need on my Kolbra. I think Larry's Kolbra is a very good deal for someone and it looks like he did a great job building it. The buyer could get it now, and expand to a 912 engine later on if that's what they wanted. I haven't seen Larry's covering job in person, but I think it's better than my Kolbra. I will send you an email ... Ralph -------- Ralph B Original Firestar 447 N91493 E-AB 1000+ hours 26 years flying it Kolbra 912ULS N20386 200 hours Read this topic online here: http://forums.matronics.com/viewtopic.php?p=398075#398075


    Message 5


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    Time: 04:10:34 PM PST US
    From: "Beauford " <beauford173@tampabay.rr.com>
    Subject: Exhaust Clamps - 447
    Kolbers: Today, during annual inspection on the Kleenex Fly, observed that the after market exhaust system clamps on the evil 447 evidenced a problem. These stainless steel circular clamps, held in place with 3/8 inch A/N nuts and bolts around their circumference, are widely used to replace the traditional Rotax muffler springs. On mine, the innermost clamp closest to the "Y" in the manifold, no longer had the dimension to clamp securely against the swelling end of the manifold pipe where it enters into the "U" shaped elbow. This condition was not related to the tightness of the 3/8 inch nuts and bolts. the clamp had vibrated against the pipe and worn slightly to where it was just slightly too large to grip securely against the manifold tube. Repositioning the clamp was not an option due to the proximity of the edge of the "U" elbow. The result was a loose clamp and excessive slop in the manifold-to-elbow connection, together with significant evidence of blow-by leakage at that connection, a condition which most of you know has larger implications for the reliable operation of a 2-stroke engine. I think the clamps are tidy, sexy and pretty.and I think the Rotax springs, with their safety wire and red Permatex damping goo, are messy, primitive and ugly. but the ugly 'ol springs will be back on Beauford's toy tomorrow. If you are a "clamper" v.s. a "springer", you might want to take a quick peek at yours. Can't hurt. Am happy that I was cynical enough not to remove the old Rotax spring hangers when the spiffy new clamps were installed. Never cut off anything old that might be of some use later.regardless of how improbable that prospect may seem at the time. .worth what ye paid fer it. Springy, de-clamped beauford FF-076, N173BW Brandon, FL If you forward this e-mail, please remove my name before sending it... I promise to do the same for you... Thanks...


    Message 6


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    Time: 09:25:32 PM PST US
    Subject: Re: Exhaust Clamps - 447
    From: "Richard Pike" <richard@bcchapel.org>
    These are not stainless, and require a bit of welding and grinding, but they are about as bulletproof as it is possible to make: Go to Advance, Pep Boys, or your favorite purveyor of muffler clamps and get yourself 4 large clamps. Discard the U-bolts. Cut off the ends of the bent U-channel and weld them to the various parts of the exhaust system. Plan ahead, not all positions are equally useful. Get some 5/16" common bolts at Lowes, drill them for cotter pins at the outer end of the threads. Get four stout springs to fit over the bolts and a handfull of washers, and put the whole mess together. Smear a little anti-seize in the ball joints. Every 50 hours or so the bolts will get slightly worn away where they pass through the brackets; replace them. Since they are 5/16" bolts, they have to chew away a lot before you need to worry. You can get aircraft quality bolts if you want to, I think 5/16" common bolts are overkill, that's why I use them. Crude? Yeah. Heavy? Yeah. Likely to come apart and go through the prop? Not if you preflight and they are not grooved from wear. And as my buddy Beauford would say: "Worth what ye paid fer it!" -------- Richard Pike Kolb MKIII N420P (420ldPoops) richard (at) bcchapel(dot)org Kingsport, TN 3TN0 Now faith is the substance of things hoped for, the evidence of things not seen. Hebrews 11:1 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=398113#398113 Attachments: http://forums.matronics.com//files/exhbolts_106.jpg




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