Kolb-List Digest Archive

Wed 12/10/03


Total Messages Posted: 23



Today's Message Index:
----------------------
 
     1. 05:54 AM - Re: Quieter prop, etc. (Joe Allman)
     2. 07:39 AM - is it true? (artdog1512)
     3. 07:51 AM - MKIII mods vs. inflight adjustable props (Richard Pike)
     4. 07:57 AM - Re: Inflight adjustable props (Richard Pike)
     5. 08:02 AM - hd wright brothers plane (boyd young)
     6. 08:42 AM - Re: MKIII mods vs. inflight adjustable props (Kirk Smith)
     7. 08:43 AM - Engine Changes (Richard & Martha Neilsen)
     8. 10:22 AM - Stuff on eBay (czechsix@juno.com)
     9. 10:42 AM - Re: MKIII mods vs. inflight adjustable props (Lanelle Freeman)
    10. 11:07 AM - Cermakrome (J.L.Turner)
    11. 01:20 PM - Re: water based system (Vic)
    12. 01:48 PM - gizmos (Paul Petty)
    13. 02:22 PM - Re: Cermakrome (HShack@aol.com)
    14. 02:25 PM - Re: is it true? (Dale Sellers)
    15. 03:07 PM - Re: Engine Changes (John Williamson)
    16. 03:38 PM - Re: Engine Changes (Edward Chmielewski)
    17. 04:07 PM - Email address (Dale Sellers)
    18. 04:19 PM - Re: Inflight adjustable props ()
    19. 05:47 PM - Re: Cermakrome (beauford)
    20. 07:37 PM - Re:MKIII mods vs. inflight adjustable props (Native American Artist)
    21. 08:12 PM - used 503 for sale (Mid-State Sandblasting)
    22. 08:43 PM - Re: Inflight adjustable props (HShack@aol.com)
    23. 09:06 PM - repitching prop (Aaron Hollingsworth)
 
 
 


Message 1


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    Time: 05:54:50 AM PST US
    From: "Joe Allman" <fisherallman@earthlink.net>
    Subject: Quieter prop, etc.
    --> Kolb-List message posted by: "Joe Allman" <fisherallman@earthlink.net> I might be interested in some left over tape. Email me off list with a price. thanks, Joe DO NOT ARCHIVE -----Original Message----- From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@matronics.com]On Behalf Of Richard Pike Subject: Kolb-List: Quieter prop, etc. --> Kolb-List message posted by: Richard Pike <rwpike@charter.net> Have spent the last three days modifying and testing the Ivoprop. Got some really thick gen-u-wine prop tape and pinked one edge of it, installed it full length on the Ivo. Can't tell that it improves the performance, but it is quieter. Details at http://www.bcchapel.org/pages/0003/pg14.html Last month someone on the list - can't remember who - said that my web page detailing the relocation of the MKIII flap control mechanism was unclear. They were right, it was, and that page has been redone, hopefully better. It is at http://www.bcchapel.org/pages/0003/pg3.htm Richard Pike MKIII N420P (420ldPoops)


    Message 2


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    Time: 07:39:42 AM PST US
    From: artdog1512 <nazz57@yahoo.com>
    Subject: is it true?
    --> Kolb-List message posted by: artdog1512 <nazz57@yahoo.com> Time: 08:35:46 AM PST US From: "Kirk Smith" <snuffy@usol.com> Subject: Re: Kolb-List: Covering --> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com> > A couple of years ago, there was quite a bit of talk about the water based > paint system for airplanes. Haven't heard anything lately. Interesting article on latex paint. http://www.lightminiatureaircraft.com/generic34.html if this is true then i would say i've been vindicated. i've long professed that Latex paint would work on Stits covering ...... tim (firefly) do not archive __________________________________ http://companion.yahoo.com/


    Message 3


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    Time: 07:51:48 AM PST US
    From: Richard Pike <rwpike@charter.net>
    Subject: MKIII mods vs. inflight adjustable props
    --> Kolb-List message posted by: Richard Pike <rwpike@charter.net> Original stock configuration top speed was 83, Rotax 532, 2.58:1 B box, 64" 3 blade Ivo Changed to cut down windshield, wing center section was in free air, top speed went to 88, climb improved. Changed to 64", then 66" 2 blade Ivo, relocated muffler partially out of airstream, rpm's lower at all cruise speeds Changed to a semi-fairing in front of the engine and enclosed the fuselage with Lexan as it is now, and got the flap actuator rod out of the airstream, went to 68" Ivo, covered the wing with v/g's, top end went to 90-92 summer, 95 last Sunday afternoon. Stall is at 27 actual. None of those mods affected prop noise. However the other thing I was testing Sunday was putting pinked prop tape full length along the leading edge of the prop. The pinked edge stops just shy of the high point of the prop's airfoil. Was testing to see if it improved performance, and could not see that it did, but it is quieter. Not by much, but enough to notice, both on the ground, and in the cockpit. Something to note - top speed on a MKIII is kind of a waste, the airplane just does not seem happy at 95. Too much thrashing going on, things are starting to shake, rattle and roll. I think all that turbulence rolling off that fat fuselage is beating on the tail. But adding top speed capability makes it a lot nicer at 75 to 80, because it does fly happy there, and once you get the airframe to fly at 95, then the 582 is not working very hard to push it at 75 to 80. Richard Pike MKIII N420P (420ldPoops) At 08:47 AM 12/9/03 -0500, you wrote: >--> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com> > >Richard, > How do these figures compare to before the mods? How much speed do you >figure making it a full parasol gave you? Did making it a parasol cut down >on prop noise? Thanks! Kirk > > > > Flight testing yesterday, (winter rejet) full throttle level flight was 95 >mph. > > At 5300rpm, cruise was 70. > >Do not archive > >


    Message 4


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    Time: 07:57:40 AM PST US
    From: Richard Pike <rwpike@charter.net>
    Subject: Re: Inflight adjustable props
    --> Kolb-List message posted by: Richard Pike <rwpike@charter.net> This is not to disagree on your experience with in-flight adjustable props, this is a comment on articles in Ultralight Flying! magazine: Several years ago Ultralight Flying published an article from a professional -at least he makes a living working with 2 stroke engines- explaining how loading and unloading a prop on a 2-stroke engine affects EGT's on 2-strokes and why. Unfortunately, he was 180 degrees out and and following his advice would further degrade the already marginal 2-stroke reliability factor. Haven't seen the article on in-flight adjustable props you mentioned, but would be interested in knowing the name of the person who wrote it. Hope it wasn't the same guy... Richard Pike MKIII N420P (420ldPoops) do not archive At 08:37 AM 12/9/03 -0500, you wrote: >--> Kolb-List message posted by: <JJP45@comcast.net> > > It somewhat erks me to read all the mis-information on this list >about in - flight ajustable props >on two strokes . There was a PROFFESIONAL article in Ultralight Flying just >a few months back >about how well suited in-flight ajustables ARE for two strokes . > I think that it is more of a preference thing or more so a >capability issue than suitablity . > >ps: Don't go to a dentist for a heart problem. > >JJP >FS II >503 DCDI ( in-flight adjustable , 68" Ivo ) > >ARCHIVE >----- Original Message ----- >From: "Larry Cottrell" <lcottrel@kfalls.net> >To: <kolb-list@matronics.com> >Subject: Re: Kolb-List: Inflight adjustable props > > > > --> Kolb-List message posted by: "Larry Cottrell" <lcottrel@kfalls.net> > > > > > > ----- Original Message ----- > > From: <GeoR38@aol.com> > > . If the rpm is less than the peak > > > torque point on the curve, then the hp is down again providing less hp > > ouput > > > to couple to the airstream as well. Only at that one rpm would the > > horsepower > > > be optimized and available to couple with the surrounding airstream. > > > > By George I believe that you have it! I think that is why they do not work > > well on the two strokes. It puzzled me a lot when I brought the Mark III > > home. Altitude here is 4100 feet. The plane came from 300 feet. I expected > > to have trouble with the EGT's at the higher altitude. The prop had > > defaulted to 6100 rpm's and was not working. The egt's were 1050. I tried > > changing the needle settings, egt's went up. I had to send the motor to >the > > adjustable in to be repaired, (75.00) since it wasn't working under load. >At > > 6100, the best cruise that I could get was 62 MPH (GPS) I cranked it as >far > > up as I could get it- 6500 rpms, cruise went up to 67 mph (GPS) Egt's went > > up to 1200. The egt's didn't go up on the full throttle, but it did in the > > midrange area.I could have changed the jets to reflect the proper egt's at > > the max rpm's. but I still think it would have been screwy and not worth >the > > effort. Where I am speed counts. Its sometimes a long way to the next > > refueling area. > > Larry, Oregon > > > > > >


    Message 5


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    Time: 08:02:59 AM PST US
    From: "boyd young" <by0ung@brigham.net>
    Subject: hd wright brothers plane
    --> Kolb-List message posted by: "boyd young" <by0ung@brigham.net> . One of the featured planes is the HD powered Wright Flyer. on dec 17 the HD powered wright brothers plane will fly again at the brigham city Ut.airport before being shiped back to Dayton. If anyone wants to drop by i should be able to get you onboard for a photo. boyd


    Message 6


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    Time: 08:42:02 AM PST US
    From: "Kirk Smith" <snuffy@usol.com>
    Subject: Re: MKIII mods vs. inflight adjustable props
    --> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com> > Something to note - top speed on a MKIII is kind of a waste, the airplane > just does not seem happy at 95. Too much thrashing going on, things are > starting to shake, rattle and roll. I think all that turbulence rolling off > that fat fuselage is beating on the tail. But adding top speed capability > makes it a lot nicer at 75 to 80, because it does fly happy there, and once > you get the airframe to fly at 95, then the 582 is not working very hard to > push it at 75 to 80. > > Richard Pike > MKIII N420P (420ldPoops) Thanks much Richard! I was thinking along the same lines in that your mods would improve effiency. Obviously a Kolb isn't going to go fast but if it can burn less fuel in cruise that's a plus. Not only in fuel savings but in wear and tear on the engine also. It has to be fun to see your ideas working. It's interesting following your progress. Do not archive


    Message 7


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    Time: 08:43:25 AM PST US
    From: "Richard & Martha Neilsen" <NeilsenRM@comcast.net>
    Subject: Engine Changes
    --> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM@comcast.net> John W I just noticed you new signoff. Does this mean that you aren't going to switch to a Verner on the Kolbra??? Would you share with us why and how the 912 ULS is working on the Kolbra (MPHs). Rick Neilsen Redrive VW powered MKIIIc ----- Original Message ----- From: "John Williamson" <kolbrapilot@comcast.net> Subject: Re: Kolb-List: Kolb trips > > John Williamson > Arlington, TX > > Kolb Kolbra: 508 hours, Rotax 912 ULS > http://home.comcast.net/~kolbrapilot/ > do not archive


    Message 8


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    Time: 10:22:28 AM PST US
    Subject: Stuff on eBay
    From: czechsix@juno.com
    --> Kolb-List message posted by: czechsix@juno.com Guys, I have a few things on eBay if anyone's interested. If the link doesn't work just search on the item number. If you have questions please contact me OFF LIST. Thanks and Do Not Archive! --Mark Navratil Cedar Rapids, Iowa RV-8A N2D finishing.... Turn Coordinator, item #2447588004 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2447588004 Andair Mini Gascolator, item #2447590842 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2447590842 Bendix Mags, item #2447592770 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2447592770


    Message 9


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    Time: 10:42:32 AM PST US
    From: "Lanelle Freeman" <lanny1@gbronline.com>
    Subject: Re: MKIII mods vs. inflight adjustable props
    --> Kolb-List message posted by: "Lanelle Freeman" <lanny1@gbronline.com> ----- Original Message ----- From: "Richard Pike" <rwpike@charter.net> Subject: Kolb-List: MKIII mods vs. inflight adjustable props > --> Kolb-List message posted by: Richard Pike <rwpike@charter.net> > > Original stock configuration top speed was 83, Rotax 532, 2.58:1 B box, 64" > 3 blade Ivo > > Changed to cut down windshield, wing center section was in free air, top > speed went to 88, climb improved. > > Changed to 64", then 66" 2 blade Ivo, relocated muffler partially out of > airstream, rpm's lower at all cruise speeds > > Changed to a semi-fairing in front of the engine and enclosed the fuselage > with Lexan as it is now, and got the flap actuator rod out of the > airstream, went to 68" Ivo, covered the wing with v/g's, top end went to > 90-92 summer, 95 last Sunday afternoon. Stall is at 27 actual. > > None of those mods affected prop noise. However the other thing I was > testing Sunday was putting pinked prop tape full length along the leading > edge of the prop. The pinked edge stops just shy of the high point of the > prop's airfoil. Was testing to see if it improved performance, and could > not see that it did, but it is quieter. Not by much, but enough to notice, > both on the ground, and in the cockpit. > > Something to note - top speed on a MKIII is kind of a waste, the airplane > just does not seem happy at 95. Too much thrashing going on, things are > starting to shake, rattle and roll. I think all that turbulence rolling off > that fat fuselage is beating on the tail. But adding top speed capability > makes it a lot nicer at 75 to 80, because it does fly happy there, and once > you get the airframe to fly at 95, then the 582 is not working very hard to > push it at 75 to 80. > > Richard Pike > MKIII N420P (420ldPoops) > > At 08:47 AM 12/9/03 -0500, you wrote: > > >--> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com> > > > >Richard, > > How do these figures compare to before the mods? How much speed do you > >figure making it a full parasol gave you? Did making it a parasol cut down > >on prop noise? Thanks! Kirk > > > > > > > Flight testing yesterday, (winter rejet) full throttle level flight was 95 > >mph. > > > At 5300rpm, cruise was 70. > > > >Do not archive > > > > > >


    Message 10


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    Time: 11:07:07 AM PST US
    From: "J.L.Turner" <jimturner@mwt.net>
    Subject: Cermakrome
    --> Kolb-List message posted by: "J.L.Turner" <jimturner@mwt.net> Has anybody had any experience with "Cermakrome" for coating exhaust pipes & mufflers? One web site that formerly sold it now claims it is unavailable pending reformulation. But I see Aircraft Spruce and others still offer it. Comments? Jim Turner Firestar 377


    Message 11


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    Time: 01:20:58 PM PST US
    From: "Vic" <vicw@vcn.com>
    Subject: Re: water based system
    --> Kolb-List message posted by: "Vic" <vicw@vcn.com> I used the Aircraft Finishing Systems water based system, same one used by Dawn Patrol, on my Kolb. Would use it again and would not go back to Stitz with all the strong chemicals. Vic


    Message 12


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    Time: 01:48:58 PM PST US
    From: "Paul Petty" <ppetty@c-gate.net>
    Subject: gizmos
    --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net> Kolbers, Today I looked in the NAPA catalogs for a shop apron. After polishing out those scratches, I looked like I had been tar'd n feathered. Ran across a real cool shop apron made by Mechaix the gloves guys. It has pockets 5 in all and a place to put your marker. The pockets on the lower part will come in handy for clecos, pliers, glasses ect... also has the adjustable straps and quick release gizmos. Will save a bunch of steps from the horses to the roll around. Here's the good part it's only 24.99 retail. part number 763-1122 if anyone wants one. pp


    Message 13


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    Time: 02:22:53 PM PST US
    From: HShack@aol.com
    Subject: Re: Cermakrome
    --> Kolb-List message posted by: HShack@aol.com In a message dated 12/10/2003 2:08:16 PM Eastern Standard Time, jimturner@mwt.net writes: Has anybody had any experience with "Cermakrome" for coating exhaust pipes & mufflers? One web site that formerly sold it now claims it is unavailable pending reformulation. But I see Aircraft Spruce and others still offer it. Comments? Jim Turner Firestar 377 I would like to recommend "Jet-Hot", 1-800-432-3379 Howard Shackleford FS II SC


    Message 14


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    Time: 02:25:39 PM PST US
    From: "Dale Sellers" <dsel1@bellsouth.net>
    Subject: Re: is it true?
    --> Kolb-List message posted by: "Dale Sellers" <dsel1@bellsouth.net> Kolbers, I didn't want to say anything before but I covered my Ultra Star with 1.7 oz fabric. Once it was tightened and taped, I wiped the fabric surfaces down with acetone to remove the sizing then brushed on two coats of latex primer using flotrol mixed according to instructions with a foam brush, allowing the first coat to dry thoroughly (over night) between coats. All paint was Benjamin Moore. Then I sprayed on two coats of white, gloss exterior house paint. The finish is very glossy and you have to get really close to see any brush marks. Then I had my paint store mix the yellow I wanted off a color chart using the same base white I had used for the finish. I put a sunburst on top and bottom of both wings, horizontal and vertical tail surfaces. It really looks good! I bought 1 gal of primer ($20), one gal of White gloss ($20) and a quart of yellow ($8) plus painter's tape and old newspaper. I never touched it with a piece of sandpaper. I got the instructions from a link on the Web site of Affordaplane. (www.affordaplane.com). The guy who wrote the article said his plane had been finished using this method and has been sitting outdoors for ten years and the fabric still tests good. He keeps a coat of STP sun-or-a-gun on it for UV protection. I was willing to give it a try. It was soooo easy and inexpensive, looks good and flies great. The only place I deviated from his instructions was (1 he said use Enterprise paint from Lowes and (2 he said roll the finish coats and trim with a foam roller. I sprayed mine on. Email me off-line and I'll sent you a pic. Dale Sellers Georgia Ultra Star ----- Original Message ----- From: "artdog1512" <nazz57@yahoo.com> Subject: Kolb-List: is it true? > --> Kolb-List message posted by: artdog1512 <nazz57@yahoo.com> > > Time: 08:35:46 AM PST US > From: "Kirk Smith" <snuffy@usol.com> > Subject: Re: Kolb-List: Covering > > --> Kolb-List message posted by: "Kirk Smith" > <snuffy@usol.com> > > > > A couple of years ago, there was quite a bit of talk > about the water > based > > paint system for airplanes. Haven't heard anything > lately. > > Interesting article on latex paint. > http://www.lightminiatureaircraft.com/generic34.html > > if this is true then i would say i've been > vindicated. i've long professed that Latex paint would > work on Stits covering ...... tim (firefly) > do not archive > > > __________________________________ > http://companion.yahoo.com/ > >


    Message 15


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    Time: 03:07:23 PM PST US
    From: "John Williamson" <kolbrapilot@comcast.net>
    Subject: Re: Engine Changes
    --> Kolb-List message posted by: "John Williamson" <kolbrapilot@comcast.net> Rick and all, The Kolbra is back in my garage for a few upgrades. New engine and boxes of parts: http://home.comcast.net/~kolbrapilot/100_1434.JPG Jabiru engine removed: http://home.comcast.net/~kolbrapilot/100_1436.JPG Fabric removed from back half of fuselage: http://home.comcast.net/~kolbrapilot/100_1438.JPG http://home.comcast.net/~kolbrapilot/100_1439.JPG Cardboard mock-up of new fuel tank: http://home.comcast.net/~kolbrapilot/100_1446.JPG I'm shooting for a volume a little over 14 gallons. Thanks to Kolbra flyer Larry G. for the tanks plans. I'll post more as progress is made. John Williamson Arlington, TX Kolb Kolbra: 508 hours, Rotax 912 ULS http://home.comcast.net/~kolbrapilot/ do not archive


    Message 16


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    Time: 03:38:07 PM PST US
    From: "Edward Chmielewski" <edchmiel@mindspring.com>
    Subject: Re: Engine Changes
    --> Kolb-List message posted by: "Edward Chmielewski" <edchmiel@mindspring.com> Hi John, That's sure a purdy engine! Ed in JXN MkII/503 Do not archive. ----- Original Message ----- From: "John Williamson" <kolbrapilot@comcast.net> Subject: Re: Kolb-List: Engine Changes > --> Kolb-List message posted by: "John Williamson" <kolbrapilot@comcast.net> > > Rick and all, > > The Kolbra is back in my garage for a few upgrades. > > New engine and boxes of parts: > http://home.comcast.net/~kolbrapilot/100_1434.JPG > > Jabiru engine removed: > http://home.comcast.net/~kolbrapilot/100_1436.JPG > > Fabric removed from back half of fuselage: > http://home.comcast.net/~kolbrapilot/100_1438.JPG > http://home.comcast.net/~kolbrapilot/100_1439.JPG > > Cardboard mock-up of new fuel tank: > http://home.comcast.net/~kolbrapilot/100_1446.JPG > > I'm shooting for a volume a little over 14 gallons. Thanks to Kolbra flyer > Larry G. for the tanks plans. I'll post more as progress is made. > > > John Williamson > Arlington, TX > > Kolb Kolbra: 508 hours, Rotax 912 ULS > http://home.comcast.net/~kolbrapilot/ > > do not archive > > > > > > >


    Message 17


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    Time: 04:07:06 PM PST US
    From: "Dale Sellers" <dsel1@bellsouth.net>
    Subject: Email address
    --> Kolb-List message posted by: "Dale Sellers" <dsel1@bellsouth.net> BTW, my email address is dsel1@bellsouth.net Dale Sellers


    Message 18


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    Time: 04:19:25 PM PST US
    From: <JJP45@comcast.net>
    Subject: Re: Inflight adjustable props
    --> Kolb-List message posted by: <JJP45@comcast.net> Richard , To my own amazment I've located the article in question : It's in the July 2003 issue , Ultralight Flying Magazine , on page 29 ,by Roger Zerkle , he's an FAA airframe and powerplant mechanic with more than 30 years experience, a private pilot who builds ultralights and other aircraft , and an aircraft maintenance instructor for an area college for 15 years . Roger owns and manages ZDE , a regional service center and distributor for 2 Stoke International and a Rotax repair station . I've tried to copy and paste this article for viewing on the list , but my very limited knowledge of computers has me inverted on final , maybe someone with greater ability can perform this stunt for the list' benefit . I am inclined it will make for a good read . ps: I believe Roger's credentials removes him from the field of dentistry . lol JJP FS II 503 DCDI ( 68" Ivo In - flight adjustable ) ----- Original Message ----- From: "Richard Pike" <rwpike@charter.net> Subject: Re: Kolb-List: Inflight adjustable props > --> Kolb-List message posted by: Richard Pike <rwpike@charter.net> > > This is not to disagree on your experience with in-flight adjustable props, > this is a comment on articles in Ultralight Flying! magazine: > Several years ago Ultralight Flying published an article from a > professional -at least he makes a living working with 2 stroke engines- > explaining how loading and unloading a prop on a 2-stroke engine affects > EGT's on 2-strokes and why. Unfortunately, he was 180 degrees out and and > following his advice would further degrade the already marginal 2-stroke > reliability factor. Haven't seen the article on in-flight adjustable props > you mentioned, but would be interested in knowing the name of the person > who wrote it. Hope it wasn't the same guy... > > Richard Pike > MKIII N420P (420ldPoops) > > do not archive > > > At 08:37 AM 12/9/03 -0500, you wrote: > > >--> Kolb-List message posted by: <JJP45@comcast.net> > > > > It somewhat erks me to read all the mis-information on this list > >about in - flight ajustable props > >on two strokes . There was a PROFFESIONAL article in Ultralight Flying just > >a few months back > >about how well suited in-flight ajustables ARE for two strokes . > > I think that it is more of a preference thing or more so a > >capability issue than suitablity . > > > >ps: Don't go to a dentist for a heart problem. > > > >JJP > >FS II > >503 DCDI ( in-flight adjustable , 68" Ivo ) > > > >ARCHIVE > >----- Original Message ----- > >From: "Larry Cottrell" <lcottrel@kfalls.net> > >To: <kolb-list@matronics.com> > >Subject: Re: Kolb-List: Inflight adjustable props > > > > > > > --> Kolb-List message posted by: "Larry Cottrell" <lcottrel@kfalls.net> > > > > > > > > > ----- Original Message ----- > > > From: <GeoR38@aol.com> > > > . If the rpm is less than the peak > > > > torque point on the curve, then the hp is down again providing less hp > > > ouput > > > > to couple to the airstream as well. Only at that one rpm would the > > > horsepower > > > > be optimized and available to couple with the surrounding airstream. > > > > > > By George I believe that you have it! I think that is why they do not work > > > well on the two strokes. It puzzled me a lot when I brought the Mark III > > > home. Altitude here is 4100 feet. The plane came from 300 feet. I expected > > > to have trouble with the EGT's at the higher altitude. The prop had > > > defaulted to 6100 rpm's and was not working. The egt's were 1050. I tried > > > changing the needle settings, egt's went up. I had to send the motor to > >the > > > adjustable in to be repaired, (75.00) since it wasn't working under load. > >At > > > 6100, the best cruise that I could get was 62 MPH (GPS) I cranked it as > >far > > > up as I could get it- 6500 rpms, cruise went up to 67 mph (GPS) Egt's went > > > up to 1200. The egt's didn't go up on the full throttle, but it did in the > > > midrange area.I could have changed the jets to reflect the proper egt's at > > > the max rpm's. but I still think it would have been screwy and not worth > >the > > > effort. Where I am speed counts. Its sometimes a long way to the next > > > refueling area. > > > Larry, Oregon > > > > > > > > > > > >


    Message 19


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    Time: 05:47:42 PM PST US
    From: "beauford" <beauford@tampabay.rr.com>
    Subject: Re: Cermakrome
    --> Kolb-List message posted by: "beauford" <beauford@tampabay.rr.com> Jim: Tried C-chrome on the 447 exhaust/muffler... paid careful attention to the instructions... did it by the numbers... Lasted about 8 months before fresh rust began to pop through in numerous places... Got angry and unreasonable... chewed cigar and vigorously wirebrushed entire muffler again, wiped it down with acetone, and brushed on C-chrome again right over the old finish, right on the airplane.. no oven - no baking - no killing the canary and house cats with the patented nerve-gas fumes.... That was 5 months ago... dried in 1 hour to a nice light gray flat finish which has been totally durable so far... I like the way it looks and wish I had done it this way the first time... Will report further developments as they occur... Cheap Beauford FF # 076 Brandon, FL ----- Original Message ----- > --> Kolb-List message posted by: "J.L.Turner" <jimturner@mwt.net> > > Has anybody had any experience with "Cermakrome" for coating exhaust pipes & mufflers? Comments? > >


    Message 20


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    Time: 07:37:35 PM PST US
    From: Native American Artist <cartoonface2003@yahoo.com>
    Subject: Re:MKIII mods vs. inflight adjustable props
    --> Kolb-List message posted by: Native American Artist <cartoonface2003@yahoo.com> I really liked these idea's in particular: Changed to cut down windshield, wing center section was in free air, top speed went to 88, climb improved. covered the wing with v/g's. I would think most MKIII owners who had the time and money would at least add VG's. However...my question is, what impact does these configurations have on getting an N numbered aircraft? Are you deviating from the design the N number was assigned to? Do you need an STC ? I'm obviously rusty with FAR's but if you were experimental you could probably get away with just about anything, but then again, where most ultralights fly doesn't seem to tickle a "ramp inspection"....? I'm in need of educating here guys N gals. I'd like to think a MKIII Xtra with those mods would be sweet. Marty http://cartoonface.com ---------------------------------


    Message 21


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    Time: 08:12:07 PM PST US
    From: "Mid-State Sandblasting" <plane@rtmc.net>
    Subject: used 503 for sale
    --> Kolb-List message posted by: "Mid-State Sandblasting" <plane@rtmc.net> rotax 503 single carb, single ignition, [points] electric start, muffler, for Kolb type aircraft, adapter plate for gear box, no gear box runs good less then 200 hour tt 900.00


    Message 22


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    Time: 08:43:14 PM PST US
    From: HShack@aol.com
    Subject: Re: Inflight adjustable props
    --> Kolb-List message posted by: HShack@aol.com In a message dated 12/10/2003 7:20:27 PM Eastern Standard Time, JJP45@comcast.net writes: To my own amazment I've located the article in question : It's in the July 2003 issue , Ultralight Flying Magazine , on page 29 ,by Roger Zerkle , he's an FAA airframe and powerplant mechanic with more than 30 years experience, a private pilot who builds ultralights and other aircraft , and an aircraft maintenance instructor for an area college for 15 years . Roger owns and manages ZDE , a regional service center and distributor for 2 Stoke International and a Rotax repair station . That's the same guy. Howard Shackleford FS II SC


    Message 23


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    Time: 09:06:29 PM PST US
    From: "Aaron Hollingsworth" <aaron@gamespeak.com>
    Subject: repitching prop
    --> Kolb-List message posted by: "Aaron Hollingsworth" <aaron@gamespeak.com> I want to repitch my warp-drive prop on my Mk3 and want the rundown on doing it. I bought a warp-drive protractor/level for it but I'm not sure the following: - how far onto the blade to clamp the level - how to read the level... (bit embarrassing, but there are inner and outer #s that look to be on different scales) - what inch/# to re-torque prop bolts when I am done. any other dos and don'ts in regards to pitching the blades would be greatly appreciated. Thanks all, Aaron




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