Kolb-List Digest Archive

Fri 08/23/13


Total Messages Posted: 13



Today's Message Index:
----------------------
 
     1. 05:10 AM - Re: Light Frame Rust (racerjerry)
     2. 06:01 AM - Re: Mark III POH (Mark Rinehart)
     3. 07:22 AM - Re: Mark III POH (Rick Neilsen)
     4. 08:55 AM - Re: Light Frame Rust (Larlaeb)
     5. 08:56 AM - Re: Light Frame Rust (Larlaeb)
     6. 09:07 AM - Re: Mark III POH (Dennis Rowe)
     7. 10:52 AM - Re: Mark III POH (Rex Rodebush)
     8. 05:35 PM - Re: Re: Light Frame Rust (Richard Girard)
     9. 06:03 PM - Re: Re: Mark III POH (Dennis Rowe)
    10. 06:25 PM - Mk3 POH (Dennis Rowe)
    11. 06:28 PM - Re: Mark III POH (Rex Rodebush)
    12. 06:40 PM - Mk-3 POH part 2 (Dennis Rowe)
    13. 07:25 PM - Re: Re: Mark III POH (Dennis Rowe)
 
 
 


Message 1



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    Time: 05:10:37 AM PST US
    Subject: Re: Light Frame Rust
    From: "racerjerry" <gki@suffolk.lib.ny.us>
          
      
      CURIOUS - Is this rust underneath EPOXY primer?
      
      --------
      Jerry King
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=407328#407328
      
      


    Message 2

    

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    Time: 06:01:51 AM PST US
    Subject: Re: Mark III POH
    From: Mark Rinehart <capt_riney@yahoo.com>
          
      No. Guess I'll make up my own. 
      
      Mark R
      
      On 22.08.2013, at 16:59, Dennis Rowe <rowedenny@windstream.net> wrote:
      
      > Mark,
      > Did you get the info from someone?
      > 
      > Dennis "Skid" Rowe
      > Mk3, 690L-70, Leechburg, PA
      > 
      > 
      > 
      > On Aug 16, 2013, at 3:55 PM, mark rinehart <capt_riney@yahoo.com> wrote:
      > 
      >> Anyone have a POH for a Mk3 Classic that I can use (will modify the V-spe
      ed numbers for my airplane)? Thanks. 
      >> 
      >> 
      >> 
      > 
      > 
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      > 
      


    Message 3

    

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    Time: 07:22:50 AM PST US
    Subject: Re: Mark III POH
    From: Rick Neilsen <neilsenrm@gmail.com>
          
      Rick
      
      I don't think it is a good idea to indicate in any way that maximum weight
      of any airplane can be increased just because it flies at that weight. I
      had a long talk with a engineer that helped design the MKIII and he would
      not budge on the recommended 1000 LB limit. Yes the airframe is very strong
      and is conservatively rated as all aircraft are. His concerns are things
      like builders skill, aging airframe, and turbulent air. At least one
      builder/pilot flies his plane loaded to 1200 lb. but only after a number of
      modifications to the airframe.
      
      Without a extensive background in aircraft design and considerable testing
      it is dangerous to recommend exceeding the manufacturer's limits.
      
      Rick Neilsen
      Redrive VW Powered MKIIIC
      
      
      On Thu, Aug 22, 2013 at 10:37 PM, Richard Girard <aslsa.rng@gmail.com>wrote:
      
      > Mark, Denny, Attached is AC-90-89A, "AMATEUR-BUILT AIRCRAFT & ULTRALIGHT
      > FLIGHT TESTING HANDBOOK."
      > Not exactly what you asked for, but with this you can determine all the
      > "V" speeds, calculate take off distances, and fore and aft limits for the
      > CG, etc.
      > For first flights, use 45 for Vx (stall speed 37mph + 20%(8 mph)), and 50
      > mph as pattern and approach speed. The reason for the difference is that
      > the Mk III, either version, will not do a conventional departure stall. It
      > will just mush along on the prop.
      > If the previous owner didn't set a maximum take off weight, start at 1000
      > lb.and work your way up 50 lb. at a time. I found 1100 lb. was a good upper
      > limit, although I tested to over 1200 lb. in both models, but control
      > travel becomes an issue (at 1240 lb. I had less than a half inch between
      > the stick and the seat frame in the "X").
      > Hope this helps.
      >
      > Rick Girard
      >
      >
      > On Thu, Aug 22, 2013 at 3:59 PM, Dennis Rowe <rowedenny@windstream.net>wrote:
      >
      >> Mark,
      >> Did you get the info from someone?
      >>
      >> Dennis "Skid" Rowe
      >> Mk3, 690L-70, Leechburg, PA
      >>
      >>
      >>
      >> On Aug 16, 2013, at 3:55 PM, mark rinehart <capt_riney@yahoo.com> wrote:
      >>
      >> Anyone have a POH for a Mk3 Classic that I can use (will modify the
      >> V-speed numbers for my airplane)? Thanks.
      >>
      >> *
      >>
      >> *
      >>
      >> *
      >>
      >> 3D============================================
      >> 3D============================================
      >> 3D============================================
      >> 3D============================================
      >> *
      >>
      >>
      >
      >
      > --
      > Zulu Delta
      > Mk IIIC
      > Thanks, Homer GBYM
      >
      > It isn't necessary to have relatives in Kansas City in order to be unhappy.
      >   - Groucho Marx
      >
      >
      


    Message 4

    

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    Time: 08:55:52 AM PST US
    Subject: Re: Light Frame Rust
    From: "Larlaeb" <larlaeb@gmail.com>
          
      
      My understanding is it was powder coated then primed and painted but I don't know
      what kind of paint. (Not my build).  I'm trying to find out though.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=407353#407353
      
      


    Message 5

    

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    Time: 08:56:33 AM PST US
    Subject: Re: Light Frame Rust
    From: "Larlaeb" <larlaeb@gmail.com>
          
      
      My understanding is it was powder coated then primed and painted but I don't know
      what kind of paint. (Not my build).  I'm trying to find out though.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=407354#407354
      
      


    Message 6

    

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    Time: 09:07:50 AM PST US
    Subject: Re: Mark III POH
    From: Dennis Rowe <rowedenny@windstream.net>
          
      Ill take pics of my sheets and send them to you after work today, sorry for n
      ot getting on this sooner.
      
      Dennis "Skid" Rowe
      Mk3, 690L-70, Leechburg, PA
      
      
      On Aug 23, 2013, at 9:01 AM, Mark Rinehart <capt_riney@yahoo.com> wrote:
      
      > No. Guess I'll make up my own. 
      > 
      > Mark R
      > 
      > On 22.08.2013, at 16:59, Dennis Rowe <rowedenny@windstream.net> wrote:
      > 
      >> Mark,
      >> Did you get the info from someone?
      >> 
      >> Dennis "Skid" Rowe
      >> Mk3, 690L-70, Leechburg, PA
      >> 
      >> 
      >> 
      >> On Aug 16, 2013, at 3:55 PM, mark rinehart <capt_riney@yahoo.com> wrote:
      >> 
      >>> Anyone have a POH for a Mk3 Classic that I can use (will modify the V-sp
      eed numbers for my airplane)? Thanks. 
      >>> 
      >>> 
      >>> 
      >> 
      >> 
      >> 
      > 
      > 
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      > 
      


    Message 7

    

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    Time: 10:52:21 AM PST US
    Subject: Re: Mark III POH
    From: "Rex Rodebush" <jrrodebush@gmail.com>
          
      
      Check your indicated stall speed on first flight.  I have been told by a very good
      source that 55 to 50 (no flaps) is normal for a Mark III Xtra.
      
      Mine is in that range.  If that is the case 50 is not a good pattern speed.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=407368#407368
      
      


    Message 8

    

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    Time: 05:35:28 PM PST US
    Subject: Re: Light Frame Rust
    From: Richard Girard <aslsa.rng@gmail.com>
          
      If it was powder coated it is unlikely that it would be painted, too.
      Powder coating steel typically involves a phosphoric acid cleaning, the
      powder is applied by electrostatic deposition and then baked to fuse the
      powder into a continuous plastic coating. Therein lies the problem, once
      the coating is pierced in any way, or if the phosphoric acid dip is
      eliminated or too long a time passes between the dip and the coating
      operation corrosion is sealed under the coating and the staining shown in
      your pictures results.
      Up to you as to how you repair it but AC 43-13 1b is a good place to start.
      
      Rick Girard
      
      
      On Fri, Aug 23, 2013 at 10:55 AM, Larlaeb <larlaeb@gmail.com> wrote:
      
      >
      > My understanding is it was powder coated then primed and painted but I
      > don't know what kind of paint. (Not my build).  I'm trying to find out
      > though.
      >
      >
      > Read this topic online here:
      >
      > http://forums.matronics.com/viewtopic.php?p=407353#407353
      >
      >
      
      
      -- 
      Zulu Delta
      Mk IIIC
      Thanks, Homer GBYM
      
      It isn't necessary to have relatives in Kansas City in order to be unhappy.
        - Groucho Marx
      


    Message 9

    

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    Time: 06:03:10 PM PST US
    Subject: Re: Mark III POH
    From: Dennis Rowe <rowedenny@windstream.net>
          
      
      If 50 to 55 is your normal stall in a Mk 3 of any flavor, you have an airspeed
      indicator error.
      
      Dennis "Skid" Rowe
      Mk3, 690L-70, Leechburg, PA
      
      
      On Aug 23, 2013, at 1:52 PM, "Rex Rodebush" <jrrodebush@gmail.com> wrote:
      
      > 
      > Check your indicated stall speed on first flight.  I have been told by a very
      good source that 55 to 50 (no flaps) is normal for a Mark III Xtra.
      > 
      > Mine is in that range.  If that is the case 50 is not a good pattern speed.
      > 
      > 
      > 
      > 
      > Read this topic online here:
      > 
      > http://forums.matronics.com/viewtopic.php?p=407368#407368
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      
      


    Message 10

    

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    Time: 06:25:02 PM PST US
    Subject: Mk3 POH
    From: Dennis Rowe <rowedenny@windstream.net>
          
      This should help, I'll send the next side in a minute.
      
      
      Dennis "Skid" Rowe
      Mk3, 690L-70, Leechburg, PA
      
      
      <pre><b><font size=2 color="#000000" face="courier new,courier">
      
      
      </b></font></pre></body></html>
      


    Message 11

    

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    Time: 06:28:48 PM PST US
    Subject: Re: Mark III POH
    From: "Rex Rodebush" <jrrodebush@gmail.com>
          
      
      I also thought 55 was too high for stall.  I pulled the static line from the tube
      and put it inside the cockpit and but got the same result.
      
      The next thing is to get some good test data with the indicated airspeed and actual
      GPS speed.  I've got about 4 hours on the plane but am waiting for a new
      fuel pump as mine was on the recent Rotax service notice.
      
      My pitot tube is about 6" down from the nose and about 2" left.
      
      Rex Rodebush
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=407399#407399
      
      


    Message 12

    

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    Time: 06:40:34 PM PST US
    Subject: Mk-3 POH part 2
    From: Dennis Rowe <rowedenny@windstream.net>
          
      
      Dennis "Skid" Rowe
      Mk3, 690L-70, Leechburg, PA
      
      
      <pre><b><font size=2 color="#000000" face="courier new,courier">
      
      
      </b></font></pre></body></html>
      


    Message 13

    

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    Time: 07:25:55 PM PST US
    Subject: Re: Mark III POH
    From: Dennis Rowe <rowedenny@windstream.net>
          
      
      You'll find some error in the asi for sure. No big deal as long as you know where
      the stall is
      
      Dennis "Skid" Rowe
      Mk3, 690L-70, Leechburg, PA
      
      
      On Aug 23, 2013, at 9:27 PM, "Rex Rodebush" <jrrodebush@gmail.com> wrote:
      
      > 
      > I also thought 55 was too high for stall.  I pulled the static line from the
      tube and put it inside the cockpit and but got the same result.
      > 
      > The next thing is to get some good test data with the indicated airspeed and
      actual GPS speed.  I've got about 4 hours on the plane but am waiting for a new
      fuel pump as mine was on the recent Rotax service notice.
      > 
      > My pitot tube is about 6" down from the nose and about 2" left.
      > 
      > Rex Rodebush
      > 
      > 
      > 
      > 
      > Read this topic online here:
      > 
      > http://forums.matronics.com/viewtopic.php?p=407399#407399
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      > 
      
      

    

    


    

    

    

    

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