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    ForumMain Support: Shops & Projectschalenge project for my retiremen …

    chalenge project for my retirement days

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    Topic Author bob (@bob)192 Posts
    April 21, 2019, 10:24 pm
    Quote
    Quote from bob on April 21, 2019, 10:24 pm

    some results...…...

    The doted line is the design datum plane.  so the elevations written on the panels are the actual design elevations place on the panel with a crows foot (arrow pointing to the actual elevation)………...

    pictures will explain.....

    Note the driver side apron flap is labeled 134 instead of 135 the actual design elevation. later, I will bend this up 1mm....


    some results...…...

    The doted line is the design datum plane.  so the elevations written on the panels are the actual design elevations place on the panel with a crows foot (arrow pointing to the actual elevation)………...

    pictures will explain.....

    Note the driver side apron flap is labeled 134 instead of 135 the actual design elevation. later, I will bend this up 1mm....

    Uploaded files:
    • DSCN02361.JPG
    • DSCN02381.JPG
    • DSCN02321.JPG
    • DSCN02331.JPG
    Last edited on April 21, 2019, 10:50 pm by bob · #91
    Topic Author bob (@bob)192 Posts
    April 21, 2019, 10:36 pm
    Quote
    Quote from bob on April 21, 2019, 10:36 pm

    more of the same...…...

    the top picture shows driver side and the 87.5 is not were it should be. the 205 also misses by a millimeter or so from center...

    when I shot the top of the rails at an equal distance I came up with 355 on both sides.... all the other features were fine, so I will probably cut out the bumper hanger, 87.5 on the driver side and place it were it belongs,about 4mm higher....

    …… when I set it up I concentrated on making the lower pinch weld seam perfect. that turned out fine... and when the other parts were mocked up I had good results, so I fired up the welder....  I am sure it will work out. I will make sure the bumper hangs at the correct elevation

    the 355 elevation on the bottom 2 pictures is not a point given in the Porsche drawings. I got this elevation from a 1968 9/11 Targa. the car being sectioned...

     


    more of the same...…...

    the top picture shows driver side and the 87.5 is not were it should be. the 205 also misses by a millimeter or so from center...

    when I shot the top of the rails at an equal distance I came up with 355 on both sides.... all the other features were fine, so I will probably cut out the bumper hanger, 87.5 on the driver side and place it were it belongs,about 4mm higher....

    …… when I set it up I concentrated on making the lower pinch weld seam perfect. that turned out fine... and when the other parts were mocked up I had good results, so I fired up the welder....  I am sure it will work out. I will make sure the bumper hangs at the correct elevation

    the 355 elevation on the bottom 2 pictures is not a point given in the Porsche drawings. I got this elevation from a 1968 9/11 Targa. the car being sectioned...

     

    Uploaded files:
    • DSCN02341.JPG
    • DSCN02351.JPG
    • DSCN02371.JPG
    • DSCN02391.JPG
    Last edited on April 22, 2019, 12:53 pm by bob · #92
    Topic Author bob (@bob)192 Posts
    April 23, 2019, 4:28 pm
    Quote
    Quote from bob on April 23, 2019, 4:28 pm

    the method some what simplified: Loading the beam with the design plane and shooting it over the work has its advantages. For one thing it shows the datum line on your parts and you can directly compare them to the Porsche Drawings.  It also reveals other incite as you are putting the parts together. Also, it is very advantageous to mark the elevation you want to find on your rod/ruler, this way you can concentrate on the rod /ruler being plumb and at the location. Believe it or not this realy does help. "booting" the laser to the targeted elevation works great also... not so much a good idea is to "boot" the laser for example, 1 meter above Datum, because  you will be working above and below Datum and that will introduce  simple mathematical errors....

    In retrospect..... I should of calculated all the points given in the Porsche Drawing , Coupe Interior, work shop manual, early... Bases steering rack rear support point el. - 131.25... This would allow the beam to be set under the car on plane. And  more importantly it would get rid of the called elevations/dimensions in the drawing that are not based on Datum. Once these conversions are made it would then be easy to set the beam either below the car or above the car.


    the method some what simplified: Loading the beam with the design plane and shooting it over the work has its advantages. For one thing it shows the datum line on your parts and you can directly compare them to the Porsche Drawings.  It also reveals other incite as you are putting the parts together. Also, it is very advantageous to mark the elevation you want to find on your rod/ruler, this way you can concentrate on the rod /ruler being plumb and at the location. Believe it or not this realy does help. "booting" the laser to the targeted elevation works great also... not so much a good idea is to "boot" the laser for example, 1 meter above Datum, because  you will be working above and below Datum and that will introduce  simple mathematical errors....

    In retrospect..... I should of calculated all the points given in the Porsche Drawing , Coupe Interior, work shop manual, early... Bases steering rack rear support point el. - 131.25... This would allow the beam to be set under the car on plane. And  more importantly it would get rid of the called elevations/dimensions in the drawing that are not based on Datum. Once these conversions are made it would then be easy to set the beam either below the car or above the car.

    Last edited on April 24, 2019, 12:36 pm by bob · #93
    Topic Author bob (@bob)192 Posts
    April 29, 2019, 3:12 pm
    Quote
    Quote from bob on April 29, 2019, 3:12 pm

    install pp255r and containment "box" for hinge plate...

    set at threshold el 33...…….


    install pp255r and containment "box" for hinge plate...

    set at threshold el 33...…….

    Uploaded files:
    • DSCN02441.JPG
    Last edited on April 29, 2019, 3:18 pm by bob · #94
    Topic Author bob (@bob)192 Posts
    April 29, 2019, 11:14 pm
    Quote
    Quote from bob on April 29, 2019, 11:14 pm

    well … better luck on driver side. the inner containment box was in perfect condition. just had to make sure to only cut skin deep to install the PP255L, that way it left the inner box in reusable condition.

    set the laser on datum and set to the threshold  at el 33...………..


    well … better luck on driver side. the inner containment box was in perfect condition. just had to make sure to only cut skin deep to install the PP255L, that way it left the inner box in reusable condition.

    set the laser on datum and set to the threshold  at el 33...………..

    Uploaded files:
    • DSCN02471.JPG
    • DSCN02481.JPG
    #95
    Guest
    April 30, 2019, 11:37 pm
    Quote
    Quote from Guest on April 30, 2019, 11:37 pm

    prepped car for fender joining panel, PP 2207 AL...

    Installed PP207Al..


    prepped car for fender joining panel, PP 2207 AL...

    Installed PP207Al..

    #96
    Topic Author bob (@bob)192 Posts
    April 30, 2019, 11:44 pm
    Quote
    Quote from bob on April 30, 2019, 11:44 pm

    prepped car for fender joining panel, PP207AL.....

    Installed fender joining panel...…….


    prepped car for fender joining panel, PP207AL.....

    Installed fender joining panel...…….

    Uploaded files:
    • DSCN02491.JPG
    • DSCN02501.JPG
    #97
    Topic Author bob (@bob)192 Posts
    May 2, 2019, 12:26 am
    Quote
    Quote from bob on May 2, 2019, 12:26 am

    prepare for fender joining panel PP207R ….


    prepare for fender joining panel PP207R ….

    Uploaded files:
    • DSCN02511.JPG
    • DSCN02521.JPG
    #98
    Topic Author bob (@bob)192 Posts
    May 2, 2019, 5:38 pm
    Quote
    Quote from bob on May 2, 2019, 5:38 pm

    installed, fender joining panel PP207AR......


    installed, fender joining panel PP207AR......

    Uploaded files:
    • DSCN02531.JPG
    #99
    Topic Author bob (@bob)192 Posts
    May 4, 2019, 8:42 pm
    Quote
    Quote from bob on May 4, 2019, 8:42 pm

    the "upstairs" being prepped for sectioning. The horizontal cut is at elevation 73.....


    the "upstairs" being prepped for sectioning. The horizontal cut is at elevation 73.....

    Uploaded files:
    • DSCN02551.JPG
    #100
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