Kolb-List Digest Archive

Thu 10/04/07


Total Messages Posted: 23



Today's Message Index:
----------------------
 
     1. 02:35 AM - Re: Kolb Mark III with 912ULS weights and speeds (Richard Girard)
     2. 03:18 AM - Re: Re: Grand Vortex Generator Challenge (pat ladd)
     3. 06:09 AM - Re: Re: Grand Vortex Generator Challenge (N27SB@aol.com)
     4. 06:38 AM - What ever floats yer boat... (herbgh@juno.com)
     5. 08:10 AM - Re: What ever floats yer boat... (N27SB@aol.com)
     6. 08:15 AM - Rotax 912 Torque Spec Error  (Kirby Dennis Contr MDA/AL)
     7. 08:45 AM - Re: Rotax 912 Torque Spec Error (Jeff Nelson)
     8. 09:39 AM - Re: Grand Vortex Generator Challenge  (Kirby Dennis Contr MDA/AL)
     9. 09:59 AM - One More Movie From TNK Homecoming 2007 (John Williamson)
    10. 10:05 AM - Re: Re: Grand Vortex Generator Challenge  (John Hauck)
    11. 11:42 AM - Re: TNK Homecoming & my first Kolb (grantr)
    12. 12:43 PM - New CRs - 4 Oct 07  (Kirby Dennis Contr MDA/AL)
    13. 12:54 PM - Re: Rotax 912 Torque Spec Error (JetPilot)
    14. 01:10 PM - Re: New CRs - 4 Oct 07 (Bob Noyer)
    15. 02:08 PM - Re: Re: Grand Vortex Generator Challenge  (Larry Cottrell)
    16. 05:49 PM - Re: Re: Grand Vortex Generator Challenge  (neilsenrm@comcast.net)
    17. 06:14 PM - I Passed! (R. Hankins)
    18. 06:24 PM - Carb ice & Cuyuna? (Dana Hague)
    19. 07:34 PM - Re: I Passed! kxp (Malcolmbru@aol.com)
    20. 07:53 PM - Re: Re: Grand Vortex Generator Challenge  (Mike Matuszczak)
    21. 08:06 PM - Re: Rotax 912 Torque Spec Error (Richard Girard)
    22. 08:10 PM - Re: Re: Grand Vortex Generator Challenge  (John Hauck)
    23. 10:26 PM - Re: Rotax 912 Torque Spec Error (Roger Lee)
 
 
 


Message 1


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    Time: 02:35:43 AM PST US
    From: "Richard Girard" <jindoguy@gmail.com>
    Subject: Re: Kolb Mark III with 912ULS weights and speeds
    Dan, Not having a 912 on a MkIII, I was hesitant to tell you what Rick just did. One other thing you should know. I have seen others given advice on this forum to "just make the maximum weight what ever you want", or words to that effect. The trouble with that is that in your operating limitations under paragraph 6 you will be asked to put these words in your aircraft's logbook. "I certify that the prescribed flight test hours have been completed and the aircraft is controllable throughout its normal range of speeds and throughout all maneuvers to be executed, has no hazardous operating characteristics or design features, and is safe for operation. The flight test was completed under all the following conditions: "Maximum operating weight, maximum demonstrated airspeed and maximum demonstrated stall speed" This is what ends your phase 1 testing and allows you to use your aircraft as a two place and outside of your test area. So whatever you put in your weight and balance as Maximum Take Off Weight (MTOW) you'd better be ready to pile sand bags (the cheap way, although it's bulky), or lead shot bags (real pricey) into the passenger seat and fly it that way. This is why you build light, because every pound of engine and whizbang gotta havums you put in the airplane subtracts from your useful load. Add enough and you may find yourself with a single passenger two seat aircraft, or a two place aircraft with a 50 mile range. Rick On 10/3/07, Richard & Martha Neilsen <NeilsenRM@comcast.net> wrote: > > Dan > > I haven't seen a response to your questions. The real answer is they are > different on every airplane. Remember these aren't production airplanes. The > weight for example will vary for the same model and engine by 150 lbs. or > more. You need to weigh your own plane and do the weight and balance > calculations.The only way to get the flying speeds is to fly it. If your > DAR doesn't understand this get another one fast. > > Sorry > > Rick Neilsen > Redrive VW powered MKIIIC > > ----- Original Message ----- > *From:* DBforfun@aol.com > *To:* kolb-list@matronics.com > *Sent:* Tuesday, October 02, 2007 11:13 AM > *Subject:* Kolb-List: Kolb Mark III with 912ULS weights and speeds > > > I am in the process of licensing my Kolb LSA and removing the 2 stroke > and installing a new 912ULS. > > For those running a 100 hp on a Mark III what are you using for gross > weight? > > What is your empty weight? > > What are your flying speeds? > > cruise? > > stall? > > landing approach? > > VX? > > VY? > > Thanks in advance for all your help. > > Dan > > > t > > > ------------------------------ > See what's new at AOL.com and Make AOL Your Homepage. > > * > > href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.com/Navigator?Kolb-List > href="http://forums.matronics.com">http://forums.matronics.com > * > > * > > > * > > -- Rick Girard "Ya'll drop on in" takes on a whole new meaning when you live at the airport.


    Message 2


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    Time: 03:18:02 AM PST US
    From: "pat ladd" <pj.ladd@btinternet.com>
    Subject: Re: Grand Vortex Generator Challenge
    I know it is difficult for VG'ers, but over the years and hours, I have not found a requirement for VGs on Homer's airplanes. >> Hi , Depends on `requirement`. To fly the way Homer intended I am sure that VG`s are not required. The plane is obviously great and fills most peoples requirements without them. Just look at JH`s flights for starters. John is obviously a master of the plane and I am sure there are many others However in the UK for the Extra to qualify as a `microlight` (not exctly the same as your Ultralight) you MUST have the VG`s fitted or the stalling speed will be too high. In the face of the testing that was done to establish this it is foolish to maintain that VG`s make no difference. If that was the case there would be no Xtra flying in the UK. Hope to be back flying myself soon. All paperwork issued. Test Pilot booked for 19th Oct. Hope the weather holds. Its great today, blue sky, no wind. I may do some taxying later to try to get my hand in again. Must make sure that I do not accidentally taxy too fast ........? Pat


    Message 3


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    Time: 06:09:23 AM PST US
    From: N27SB@aol.com
    Subject: Re: Grand Vortex Generator Challenge
    In a message dated 10/3/2007 10:38:09 P.M. Eastern Daylight Time, orcabonita@hotmail.com writes: I did not know you were flying other airplanes Steve, what were you flying before the Kolb ? Mike Long EZ N27SB. 90 Kts in the pattern, 70 Kts on Final with the nose high and everything hanging out. It is about as far away from a Firefly you can get. steve


    Message 4


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    Time: 06:38:43 AM PST US
    Subject: What ever floats yer boat...
    From: herbgh@juno.com
    ONe similarity Steve---they both will float!! :-) Herb do not archive On Thu, 4 Oct 2007 09:08:52 EDT N27SB@aol.com writes: In a message dated 10/3/2007 10:38:09 P.M. Eastern Daylight Time, orcabonita@hotmail.com writes: I did not know you were flying other airplanes Steve, what were you flying before the Kolb ? Mike Long EZ N27SB. 90 Kts in the pattern, 70 Kts on Final with the nose high and everything hanging out. It is about as far away from a Firefly you can get. steve See what's new ="_blank">Make AOL Your Homepage.


    Message 5


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    Time: 08:10:50 AM PST US
    From: N27SB@aol.com
    Subject: Re: What ever floats yer boat...
    In a message dated 10/4/2007 9:39:23 A.M. Eastern Standard Time, herbgh@juno.com writes: ONe similarity Steve---they both will float!! :-) Herb Except the Firefly is reusable after a water landing Steve Firefly 007/Floats do not archive


    Message 6


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    Time: 08:15:25 AM PST US
    Subject: Rotax 912 Torque Spec Error
    From: "Kirby Dennis Contr MDA/AL" <Dennis.Kirby@kirtland.af.mil>
    Fellow 912 Drivers - I discovered an error in the official Rotax manuals that specify the torque value for the lock-nuts that secure the exhaust system. These are the copper M8 lock-nuts - two at each exhaust port. The Rotax 912 Installation Manual (sec 10.1) clearly states that these nuts should be torqued to 177 inch-pounds. While doing maintenance today, I was reinstalling the exhaust system on my 912ul, and tightened these lock-nuts to the specified value. Afterward, I noticed that the two studs were distorted - they were no longer pointed straight out of the cylinder head, but skewed a bit from being overtightened. I called Lockwood, and the tech guy there looked up the torque value from the Rotax 912 Illustrated Parts Manual. The number listed there was 105 ft-lb. I had WAY overtightened those nuts! Looks like I'll be ordering a pair of new exhaust studs. Fortunately, this was a cheap lesson for me - they cost only $3.50 each. But it mad me mad that, in my attempt to do the right thing, the Rotax manual provided wrong information. So the lessons here worth passing on to you all are: 1) The torque value for the exhaust system nuts listed in the Installation Manual is WRONG, and 2) Refer to the Illustrated Parts Manual for all torques for your Rotax engine. I hope this helps someone avoid the mistake I made. Happy flying ... Dennis Kirby Mark-III Classic, 912ul, in Cedar Crest, NM


    Message 7


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    Time: 08:45:30 AM PST US
    From: Jeff Nelson <jenelson1@hotmail.com>
    Subject: Rotax 912 Torque Spec Error
    177 inch pounds is only 14.74 Ft-lbs was it listed in the book as In-lbs o r Ft-lbs? Do not archive> Subject: Kolb-List: Rotax 912 Torque Spec Error > Date: Thu , 4 Oct 2007 09:07:48 -0600> From: Dennis.Kirby@kirtland.af.mil> To: kolb-l DA/AL" <Dennis.Kirby@kirtland.af.mil>> > > > > Fellow 912 Drivers -> > I di scovered an error in the official Rotax manuals that specify the> torque va lue for the lock-nuts that secure the exhaust system. These> are the copper M8 lock-nuts - two at each exhaust port.> > The Rotax 912 Installation Man ual (sec 10.1) clearly states that these> nuts should be torqued to 177 inc h-pounds. While doing maintenance> today, I was reinstalling the exhaust sy stem on my 912ul, and tightened> these lock-nuts to the specified value. > > Afterward, I noticed that the two studs were distorted - they were no> lo nger pointed straight out of the cylinder head, but skewed a bit from> bein g overtightened.> > I called Lockwood, and the tech guy there looked up the torque value> from the Rotax 912 Illustrated Parts Manual. The number list ed there> was 105 ft-lb. I had WAY overtightened those nuts! Looks like I'l l be> ordering a pair of new exhaust studs. Fortunately, this was a cheap> lesson for me - they cost only $3.50 each. But it mad me mad that, in> my a ttempt to do the right thing, the Rotax manual provided wrong> information. > > So the lessons here worth passing on to you all are: 1) The torque valu e> for the exhaust system nuts listed in the Installation Manual is WRONG,> and 2) Refer to the Illustrated Parts Manual for all torques for your> Rot ax engine.> > I hope this helps someone avoid the mistake I made. Happy fly ing ...> > Dennis Kirby> Mark-III Classic, 912ul, in> Cedar Crest, NM> > > ============> > > _________________________________________________________________ Climb to the top of the charts!- Play Star Shuffle:- the word scramble challenge with star power. http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_oc t


    Message 8


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    Time: 09:39:59 AM PST US
    Subject: Re: Grand Vortex Generator Challenge
    From: "Kirby Dennis Contr MDA/AL" <Dennis.Kirby@kirtland.af.mil>
    Rick Neilsen wrote: << The challenge showed me a few things. John is a great pilot which allowed him to fly his plane as slow as Richard Pike in spite of the weight differences. What was significant to me was that the claimed benefit of the VG just wasn't there. >> John and Richard's Mark-IIIs are very different from each other. This makes it difficult to compare specific flight characteristics attributable to the vortex generators. It seems to me that a more "objective" comparison of VGs versus no-VGs would be to have one pilot fly the SAME AIRPLANE with and without VGs. Then see what he thinks. I nominate Hauck as our test pilot. I purchased a set of the LandShorter VGs, but have not yet installed them on my Mark-III. How's this for a plan: Next May, and the 6th annual Monument Valley fly-in, I'll let John fly my plane with a clean wing. Then, we'll install the VGs (it should only take an hour or two, especially with all the available help), and let John fly it again. It'll be interesting to see if he notices any difference. Not trying to convince John that he should install these on Miss P'Fer - just looking to see if he detects any slow flight performance improvements on this Mark-III. I've been enjoying this thread ... Dennis Kirby New Mexico do not archive


    Message 9


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    Time: 09:59:37 AM PST US
    Subject: One More Movie From TNK Homecoming 2007
    From: "John Williamson" <kolbrapilot1@tx.rr.com>
    The last movie I have been able to put together is of JT's FireStarII. I would very much like to get a copy of any video you shot of the Kolbra at the Homecoming. Email me off list and we can work out a deal. I also updated my website with a few new photos. -------- John Williamson Arlington, TX Kolbra, 912ULS http://home.tx.rr.com/kolbrapilot Read this topic online here: http://forums.matronics.com/viewtopic.php?p=138090#138090 Attachments: http://forums.matronics.com//files/jt_at_tnk_2007_443.wmv


    Message 10


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    Time: 10:05:26 AM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Grand Vortex Generator Challenge
    I nominate Hauck as our test pilot. > > Dennis Kirby Thanks, but no thanks. You are more than qualified to fly your own test and make your own decisions. I can assure you, I have no desire or requirement to fly any slower than I was flying off Richard Pike's wing last Saturday afternoon. That flight convinced me there was no appreciable difference in slow flight capability between the two mkIII's. I have no slow flight control problems in my mkIII that need fixing. The only time I suffer from "Kolb quit" is when I get below the stall speed. ;-) By now, you all are probably, I hope, getting the message that I am not interested in VG's. Should I ever have another airplane that does not fly as well as Kolb aircraft, I might investigate the possibility of VG's saving the day. john h mkIII


    Message 11


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    Time: 11:42:15 AM PST US
    Subject: Re: TNK Homecoming & my first Kolb
    From: "grantr" <grant_richardson25@yahoo.com>
    That is a nice plane you got from Avid. I almost bought it but it just wasn't going to workout for me. I need a 2 seat plane. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=138111#138111


    Message 12


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    Time: 12:43:41 PM PST US
    Subject: New CRs - 4 Oct 07
    From: "Kirby Dennis Contr MDA/AL" <Dennis.Kirby@kirtland.af.mil>
    Team - Looks like Lockheed-Martin has found a bunch of stuff to fix lately while they've got the turret ball opened up for service ... four new CRs received ATP this week: CR-1775, "Allow BC/FC Engagement to Manual State Transition" (a BC/FC-Software CR) Currently, BMC4I software does not allow BC/FC to transition into the "Manual" state during an engagement sequence. So when BC/FC encounters an occasional failure during any of their engagement states, the system cannot be easily reset. By modifying the BMC4I Software Requirement Spec (SRS) to allow BC/FC to transition from an "Engagement" state to a "Manual" state, the BC/FC system can then be cleanly shut down, either manually (by the operator), or automatically. CR-1776, "Turret Solar Avoidance Hardware Fixes" (a BC/FC CR) Certain areas and components of the turret ball may be damaged by exposure to incoming solar radiation due to out-gassing contamination and overexposure of the Optical Inspection System cameras. This CR describes items to be repaired and the repair methods which will reduce risk of damage to the system during HPSI testing. CR-1777, "Turret Ball Tuned-Mass-Dampers" (a BC/FC CR) Flight testing has revealed certain dynamic wavefront disturbances that are attributable to harmonic vibrations within the BC/FC beam train - specifically, within the Beam Expander. These vibrations contribute to jitter and degraded optical performance. This CR installs several (up to 38) Tuned Mass Dampers (TMDs, which serve as vibration suppression devices) in the turret assembly to minimize vibration in this part of the optical path. CR-1778, "Secondary Mirror Tip/Twang" (a BC/FC CR) Flight testing has (also) revealed that excessive vibrations in the Secondary Mirror during flight is causing the mirror to momentarily move to its extreme limit ("twang") in the tip and tilt axis. This results in a control loop failure, which triggers a termination of the engagement sequence. This CR revises the operating clearance of the torsional stops in the Secondary Mirror tip/tilt axis, in order to eliminate twanging of the mirror. You can find the CRs here: HYPERLINK "file:///\\\\ABLSERVER11\\SPO_General\\Meetings\\Boards\\Change_Board\\C Rs1600-1799\\CR1775PC0.doc"S:\Meetings\Boards\Change_Board\CRs1600-1799\ CR1775PC0.doc HYPERLINK "file:///\\\\ABLSERVER11\\SPO_General\\Meetings\\Boards\\Change_Board\\C Rs1600-1799\\CR1776PC0.doc"S:\Meetings\Boards\Change_Board\CRs1600-1799\ CR1776PC0.doc HYPERLINK "file:///\\\\ABLSERVER11\\SPO_General\\Meetings\\Boards\\Change_Board\\C Rs1600-1799\\CR1777PC0.doc"S:\Meetings\Boards\Change_Board\CRs1600-1799\ CR1777PC0.doc HYPERLINK "file:///\\\\ABLSERVER11\\SPO_General\\Meetings\\Boards\\Change_Board\\C Rs1600-1799\\CR1778PC0.doc"S:\Meetings\Boards\Change_Board\CRs1600-1799\ CR1778PC0.doc Dennis Kirby


    Message 13


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    Time: 12:54:16 PM PST US
    Subject: Re: Rotax 912 Torque Spec Error
    From: "JetPilot" <orcabonita@hotmail.com>
    177 inch pounds is way to much torque for a bolt that size.... The fact that it goes into aluminum make it worse [Shocked] Lucky its just a bent stud rather than it being stripped out of the cylinder head. Mike -------- &quot;NO FEAR&quot; - If you have no fear you did not go as fast as you could have !!! Kolb MK-III Xtra, 912-S Read this topic online here: http://forums.matronics.com/viewtopic.php?p=138127#138127


    Message 14


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    Time: 01:10:24 PM PST US
    From: Bob Noyer <a58r@verizon.net>
    Subject: Re: New CRs - 4 Oct 07
    Dennis, That most certainly makes my sleep a lot better! regards, Bob N. FireFly 070 Old Kolb http://www.angelfire.com/rpg/ronoy/ do not archive


    Message 15


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    Time: 02:08:30 PM PST US
    From: "Larry Cottrell" <lcottrell@fmtcblue.com>
    Subject: Re: Grand Vortex Generator Challenge
    > <Dennis.Kirby@kirtland.af.mil> > > > Rick Neilsen wrote: << The challenge showed me a few things. > John is a great pilot which allowed him to fly his plane as slow as > Richard Pike in spite of the weight differences. What was significant to > me was that the claimed benefit of the VG just wasn't there. >> -------------------------------------------------------------------------------------------------------------------------------------- I am curious as to why you believe there was no benefit to the VG's? It seems to me that if Richard had pulled his flaps he could have flown slower, or am I missing something there? I consider John a friend of mine and a exceptional pilot. A bit hard headed on occasion, but then that includes all of us Alpha types. That John was able to fly his plane at that speed and configuration is not a surprise to me at all, However you are overlooking two other factors. Richards lack of a radio causing him to fly blind in a formation, ( which I understand he has not done before) and the fact that it was not necessary for him to deploy flaps to fly at a speed which required that John use them. If you "have nots" don't want more stability in turns, slow flight, increased cushion at landing, less bounces, and you are as good a pilot (of which I have little doubt) as John, then don't put the things on! Just spare me the rationalization. :-) Larry, Oregon


    Message 16


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    Time: 05:49:29 PM PST US
    From: neilsenrm@comcast.net
    Subject: Re: Grand Vortex Generator Challenge
    Hey Larry Good to hear from you. It was great talking to at Monument Valley. I will respond to this one LAST time. Would all you VG guys please read my post again before you post. John's plane is a good 20% heaver than Richard's this does increase John's stall speed. I think John's heaver gross weight fairly well balances his use of flaps. OK lets say JUST for argument's sake John's increased weight didn't lower his stall speed at all. His use of flaps doesn't reduce his stall speed by the amount everyone CLAIMS the VGs do. To hear some of you talk you would think VGs would give everyone a 10 MPH stall speed. In the clip you attached I said that VGs didn't give Richard the "claimed" advantage I didn't say no advantage. I'm with John's point of view on this one VGs don't appear to give enough benefit on a Kolb that would make me want to put them on my plane. I have a open mind on this and would change my mind if I could see a significat differance. I was there and I just didn't see it. Rick Neilsen Redrive VW powered MKIIIC -------------- Original message -------------- From: "Larry Cottrell" <lcottrell@fmtcblue.com> > > > > > > > > > > > > > Rick Neilsen wrote: << The challenge showed me a few things. > > John is a great pilot which allowed him to fly his plane as slow as > > Richard Pike in spite of the weight differences. What was significant to > > me was that the claimed benefit of the VG just wasn't there. >> > -------------------------------------------------------------------------------- > ------------------------------------------------------ > I am curious as to why you believe there was no benefit to the VG's? It > seems to me that if Richard had pulled his flaps he could have flown slower, > or am I missing something there? I consider John a friend of mine and a > exceptional pilot. A bit hard headed on occasion, but then that includes all > of us Alpha types. That John was able to fly his plane at that speed and > configuration is not a surprise to me at all, However you are overlooking > two other factors. Richards lack of a radio causing him to fly blind in a > formation, ( which I understand he has not done before) and the fact that it > was not necessary for him to deploy flaps to fly at a speed which required > that John use them. > > If you "have nots" don't want more stability in turns, slow flight, > increased cushion at landing, less bounces, and you are as good a pilot (of > which I have little doubt) as John, then don't put the things on! Just spare > me the rationalization. :-) > Larry, Oregon > > > > > > <html><body> <DIV>Hey Larry</DIV> <DIV>&nbsp;</DIV> <DIV>Good to hear from you. It was great talking to at Monument Valley.</DIV> <DIV>&nbsp;</DIV> <DIV>I will respond to this one&nbsp;LAST time. Would all you VG guys please read my post again before you post. John's plane is a good 20% heaver than Richard's this does&nbsp;increase&nbsp;John's&nbsp;stall speed. I think&nbsp;John's heaver gross weight fairly well balances his use of flaps.&nbsp;OK lets say JUST for argument's sake John's increased weight didn't lower his stall speed at all. His use of flaps doesn't reduce his stall speed by the amount everyone CLAIMS the VGs do. To hear some of you talk you would think VGs would give everyone a&nbsp;10 MPH stall speed.</DIV> <DIV>&nbsp;</DIV> <DIV>In the clip you attached I said that VGs didn't give Richard the "claimed" advantage I didn't say no advantage. </DIV> <DIV>&nbsp;</DIV> <DIV>I'm with John's point of view&nbsp;on this one VGs don't appear to give&nbsp;enough benefit on a Kolb that would make me want to put them on my plane. I have a open mind on this and would change my mind if I could see a significat differance. I was there and I just didn't see it.</DIV> <DIV>&nbsp;</DIV> <DIV>Rick Neilsen</DIV> <DIV>Redrive VW powered MKIIIC</DIV> <DIV>&nbsp;</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: "Larry Cottrell" &lt;lcottrell@fmtcblue.com&gt; <BR><BR>&gt; --&gt; Kolb-List message posted by: "Larry Cottrell" <LCOTTRELL@FMTCBLUE.COM><BR>&gt; <BR>&gt; &gt; --&gt; Kolb-List message posted by: "Kirby Dennis Contr MDA/AL" <BR>&gt; &gt; <DENNIS.KIRBY@KIRTLAND.AF.MIL><BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; &gt; Rick Neilsen wrote: &lt;&lt; The challenge showed me a few things. <BR>&gt; &gt; John is a great pilot which allowed him to fly his plane as slow as <BR>&gt; &gt; Richard Pike in spite of the weight differences. What was significant to <BR>&gt; &gt; me was that the claimed benefit of the VG just wasn't there. &gt;&gt; <BR>&gt; -------------------------------------------------------------------------------- <BR>&gt; ------------------------------------------------------ <BR>&gt; I am curious as to why you be lieve there was no benefit to the VG's? It <BR>&gt; seems to me that if Richard had pulled his flaps he could have flown slower, <BR>&gt; or am I missing something there? I consider John a friend of mine and a <BR>&gt; exceptional pilot. A bit hard headed on occasion, but then that includes all <BR>&gt; of us Alpha types. That John was able to fly his plane at that speed and <BR>&gt; configuration is not a surprise to me at all, However you are overlooking <BR>&gt; two other factors. Richards lack of a radio causing him to fly blind in a <BR>&gt; formation, ( which I understand he has not done before) and the fact that it <BR>&gt; was not necessary for him to deploy flaps to fly at a speed which required <BR>&gt; that John use them. <BR>&gt; <BR>&gt; If you "have nots" don't want more stability in turns, slow flight, <BR>&gt; increased cushion at landing, less bounces, and you are as good a pilot (of <BR>&gt; which I have little doubt) as John, then don't put the things on! J ust sp <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html>


    Message 17


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    Time: 06:14:53 PM PST US
    Subject: I Passed!
    From: "R. Hankins" <rphanks@grantspass.com>
    I just returned from the airport. My Firestar KXP is now an airworthy and official experimental light sport aircraft. The DAR was thorough, but found no squawks on the plane an only one date missing on the paperwork. I'm glad I spent the money on the EAA transition kit. It was helpful. I gave him $250 and he gave me a pink slip and five hourws to fly off within 50 miles of the field. I took it around the pattern twice to celebrate before a rain squall prompted me to fold and head home. It was nice to be "Experimental 1782 Charlie" instead of "yellow ultralight". The DAR said the FAA is recieving over two hundred N number applications a day right now. He has inspected more than 20 planes my neck of the woods and has several more on the schedule for this weekend. The FAA inspector in Portland (on the other side of the state from me) said he is inspecting ten planes a week or more. Later, -------- Roger in Oregon 1992 KXP 503 - N1862C Read this topic online here: http://forums.matronics.com/viewtopic.php?p=138185#138185


    Message 18


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    Time: 06:24:42 PM PST US
    From: Dana Hague <d-m-hague@comcast.net>
    Subject: Carb ice & Cuyuna?
    Had some difficulty this evening which sounds like carb ice but I'd like any other thoughts. This is my Ultrastar, with the Cuyuna ULII-02 engine, single Mikuni carb. Takeoff was fine, full power (6200 rpm), and I stayed in the pattern and throttled back to 4500 on downwind. After not too long, I thought I heard some roughness in the engine so I pushed the throttle forward, but that had no effect other than making the engine bog and sound as if it would quit. Retart the throttle and it continued to run, and naturally I landed immediately. On the ground, the intake manifold was dripping wet. Started the engine, and again it developed full power. I let it run at 4500 for awhile, then shut down and pulled the air filter, no sign of ice as far as I could see. Took off again, same thing, though this time after a bit of playing with the throttle I was able to get full power again. Temps were in the upper 60's and very humid; as I was flying the fog was rolling in off the water (the airport is 8 miles from the coast). No data for my field, but at an airport in the coast 13 miles away the temperature dropped through the 64 dewpoint while I was airborne. -Dana -- -- "I'm a lawyer." "Honest?" "No, the usual kind."


    Message 19


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    Time: 07:34:40 PM PST US
    From: Malcolmbru@aol.com
    Subject: Re: I Passed! kxp
    Roger I had a kxp and I loved it with a little bit of luck that plane may fly 20 moor years while one not registered will probably be scraped for parts . Malcolm Michigan


    Message 20


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    Time: 07:53:10 PM PST US
    From: "Mike Matuszczak" <mmatuszczak@cfl.rr.com>
    Subject: Re: Grand Vortex Generator Challenge
    Best $100. I've spent on my FSII. Not for the enhanced performance but for the added safety!!! MEM FSII 450hrs do not archive ----- Original Message ----- From: neilsenrm@comcast.net To: kolb-list@matronics.com Sent: Thursday, October 04, 2007 8:49 PM Subject: Re: Kolb-List: Re: Grand Vortex Generator Challenge Hey Larry Good to hear from you. It was great talking to at Monument Valley. I will respond to this one LAST time. Would all you VG guys please read my post again before you post. John's plane is a good 20% heaver than Richard's this does increase John's stall speed. I think John's heaver gross weight fairly well balances his use of flaps. OK lets say JUST for argument's sake John's increased weight didn't lower his stall speed at all. His use of flaps doesn't reduce his stall speed by the amount everyone CLAIMS the VGs do. To hear some of you talk you would think VGs would give everyone a 10 MPH stall speed. In the clip you attached I said that VGs didn't give Richard the "claimed" advantage I didn't say no advantage. I'm with John's point of view on this one VGs don't appear to give enough benefit on a Kolb that would make me want to put them on my plane. I have a open mind on this and would change my mind if I could see a significat differance. I was there and I just didn't see it. Rick Neilsen Redrive VW powered MKIIIC -------------- Original message -------------- From: "Larry Cottrell" <lcottrell@fmtcblue.com> > > > > > > > > > > > > > Rick Neilsen wrote: << The challenge showed me a few things. > > John is a great pilot which allowed him to fly his plane as slow as > > Richard Pike in spite of the weight differences. What was significant to > > me was that the claimed benefit of the VG just wasn't there. >> > ------------------------------------------------------------------------- ------- > ------------------------------------------------------ > I am curious as to why you be lieve there was no benefit to the VG's? It > seems to me that if Richard had pulled his flaps he could have flown slower, > or am I missing something there? I consider John a friend of mine and a > exceptional pilot. A bit hard headed on occasion, but then that includes all > of us Alpha types. That John was able to fly his plane at that speed and > configuration is not a surprise to me at all, However you are overlooking > two other factors. Richards lack of a radio causing him to fly blind in a > formation, ( which I understand he has not done before) and the fact that it > was not necessary for him to deploy flaps to fly at a speed which required > that John use them. > > If you "have nots" don't want more stability in turns, slow flight, > increased cushion at landing, less bounces, and you are as good a pilot (of > which I have little doubt) as John, then don't put the things on! J ust sp


    Message 21


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    Time: 08:06:55 PM PST US
    From: "Richard Girard" <jindoguy@gmail.com>
    Subject: Re: Rotax 912 Torque Spec Error
    Dennis, Second biggest thing stressed by Eric, was always check that you have the latest version of the manual. R.O.A.N. sent out a notice in late July that all 912 installation manuals had been superceded. "Rotax has announced the REPLACEMENT of the following 912 Series Installation manuals: - Installation Manual Rotax 912 A, Edition 0, Rev 2 - Installation Manual Rotax 912 F, Edition 0, Rev 3 - Installation Manual Rotax 912 S, Edition 0, Rev 2 - Installation Manual Rotax 912 UL, Edition 2, Rev 2 These manuals ARE NO LONGER VALID and have been REPLACED by: - Installation Manual Rotax 912 Series, May 01/2007, Edition 1, Rev0. (Rotax Part No. 898642)" I downloaded the new installation manual and it gives the same spec as the old one, 12 to 20 Nm (106-177in lb) and both refer to SI-05-97, the relevant part, I believe is: "It should be noted that this is maximum torque value, and in all cases flange nuts should never be torqued such that the exhaust flange makes contact with the cylinder head. If necessary a lesser torque value may be used down to a minimum value of 12 Nm (110 in.lb.) Maintenance personnel should always insure that the exhaust flange nuts are tightened to the maximum torque possible, not exceeding 20 Nm (180 in.lb.), while still respecting the need for clearance between the flange and the cylinder head." Hope this helps. Rick On 10/4/07, Jeff Nelson <jenelson1@hotmail.com> wrote: > > 177 inch pounds is only 14.74 Ft-lbs was it listed in the book as In-lbs > or Ft-lbs? > > Do not archive > > > Subject: Kolb-List: Rotax 912 Torque Spec Error > > Date: Thu, 4 Oct 2007 09:07:48 -0600 > > From: Dennis.Kirby@kirtland.af.mil > > To: kolb-list@matronics.com > > > Dennis.Kirby@kirtland.af.mil> > > > > > > > > > > Fellow 912 Drivers - > > > > I discovered an error in the official Rotax manuals that specify the > > torque value for the lock-nuts that secure the exhaust system. These > > are the copper M8 lock-nuts - two at each exhaust port. > > > > The Rotax 912 Installation Manual (sec 10.1) clearly states that these > > nuts should be torqued to 177 inch-pounds. While doing maintenance > > today, I was reinstalling the exhaust system on my 912ul, and tightened > > these lock-nuts to the specified value. > > > > Afterward, I noticed that the two studs were distorted - they were no > > longer pointed straight out of the cylinder head, but skewed a bit from > > being overtightened. > > > > I called Lockwood, and the tech guy there looked up the torque value > > from the Rotax 912 Illustrated Parts Manual. The number listed there > > was 105 ft-lb. I had WAY overtightened those nuts! Looks like I'll be > > ordering a pair of new exhaust studs. Fortunately, this was a cheap > > lesson for me - they cost only $3.50 each. But it mad me mad that, in > > my attempt to do the right thing, the Rotax manual provided wrong > > information. > > > > So the lessons here worth passing on to you all are: 1) The torque value > > for the exhaust system nuts listed in the Installation Manual is WRONG, > > and 2) Refer to the Illustrated Parts Manual for all torques for your > > Rotax engine. > > > > I hope this helps someone avoid the mistake I made. Happy flying ... > > > > Dennis Kirby > > Mark-III Classic, 912ul, in > > Cedar C-================================== > > > > > > > > > ------------------------------ > Climb to the top of the charts! Play Star Shuffle: the word scramble > challenge with star power. Play Now!<http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_oct> > > * > > > * > > -- Rick Girard "Ya'll drop on in" takes on a whole new meaning when you live at the airport.


    Message 22


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    Time: 08:10:40 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Grand Vortex Generator Challenge
    Hi Mike: I am the last person I know that would want to drag out the "great VG debate". However, could you expand on your statement below, please? Telling me you put them on for added safety leaves a lot of questions unanswered. Did you get the added safety you were looking for, and how did that happen? Thanks, john h mkIII Best $100. I've spent on my FSII. Not for the enhanced performance but for the added safety!!! MEM FSII 450hrs


    Message 23


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    Time: 10:26:32 PM PST US
    Subject: Re: Rotax 912 Torque Spec Error
    From: "Roger Lee" <ssadiver1@yahoo.com>
    These things can happen, but I would encourage everyone to download the most current manuals on line and sign up for automatic notification of manual changes through ROAN. The torque values of a number of nuts and bolts were changed a while back in a manual revision. There is a new Heavy maint. and Installation manual out. There is a new SB out as of today. -------- Roger Lee Tucson, Az. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=138236#138236




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