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  1. #136
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    Quote Originally Posted by Simplicity View Post
    Rob,
    I’m starting too develop, possibly a un healthy interest in having a go at scrapping a plane body.
    Not sure whether to Thank you or detest you [emoji849].

    Cheers Matt,
    Matt

    Are you suggesting our stateside comrade could become the "bane of the plane?"

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

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  3. #137
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    Quote Originally Posted by Bushmiller View Post
    Matt

    Are you suggesting our stateside comrade could become the "bane of the plane?"

    Regards
    Paul
    Absolutely
    All hail the Rob
    All hail the Rob

  4. #138
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    Dec 2013
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    Matt,

    Lapping is the more expensive technique, both in time and money.

    For lapping you need an iron lapping plate or more preferably three, the expensive thing(s), and an assortment of diamond compounds.

    For scraping you need a scraper, a flat reference surface, a brayer and spotting compound.

    Both techniques can, but not necessarily must, make use of various types of flatness gauges, straight edges and squares. These are expensive but really help in guiding the work.

    Both techniques are also messy and labor intensive.

    Cheers,
    Rob
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  5. #139
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    Quote Originally Posted by Simplicity View Post
    Absolutely
    All hail the Rob
    All hail the Rob

    I hope not.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  6. #140
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    Quote Originally Posted by Simplicity View Post
    Absolutely
    All hail the Rob
    All hail the Rob
    Matt

    I have this feeling that you may have confused "bane" with "thane." You may recall how Macbeth became Thane of Cawdor and Glamis in Billy S's play (if you were paying attention that day at school ). Alternatively, predictive texting (is that what it is called? My carrier pigeon is unfortunately not in the IT world) has let you down badly and "betrayed you in deepest consequence" (just to perpetuate the Shakespearean theme).



    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

  7. #141
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    Quote Originally Posted by Bushmiller View Post
    Matt

    I have this feeling that you may have confused "bane" with "thane." You may recall how Macbeth became Thane of Cawdor and Glamis in Billy S's play (if you were paying attention that day at school ). Alternatively, predictive texting (is that what it is called? My carrier pigeon is unfortunately not in the IT world) has let you down badly and "betrayed you in deepest consequence" (just to perpetuate the Shakespearean theme).



    Regards
    Paul
    Arrrrrr what, can I have a bogun translation Please.

    My father is possibly turning in his grave for my ignorance,
    Tho Stratford-upon-Avon, was not to far for a lost OZ kid(Young Simplicity)living in Coventry [emoji849][emoji849].

    Cheers Matt.

  8. #142
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    This is how the blade was contacting the bed before I started scraping.

    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  9. #143
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    Australia
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    Quote Originally Posted by rob streeper View Post
    This is how the blade was contacting the bed before I started scraping.

    Rob; and that bed (as shown) was fairly close to being ideal. That being, the primary contact points should be at the top of the bed, the bottom of bed, and the middle area worked back lightly to achieve a minimal clearance.

  10. #144
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    Quote Originally Posted by planemaker View Post
    Rob; and that bed (as shown) was fairly close to being ideal. That being, the primary contact points should be at the top of the bed, the bottom of bed, and the middle area worked back lightly to achieve a minimal clearance.

    Stewie,

    The highest of the contact points was the thin raised ridge or burr on the left margin.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  11. #145
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    Now for a look at the flatness of the bed instrumentally.

    Here is the rig I used to set the plane up such that the bed is as close as I can get it to parallel to the top of the surface plate. The bed angle is 11.32o.




    Setting my reference point as the left rear corner of the bed.

    Indicator reading at left rear.JPG


    Moving to the left front corner.


    Indicator reading at left front.JPG


    To the right front corner.

    Indicator reading at right front.JPG


    And finally to the right rear.

    Indicator reading at right rear 1.JPG

    I only messed up by about -0.0002" left to right and, by this gauge, pretty close to unmeasurable front to back. Now to see how it performs in cut testing.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  12. #146
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    This is been quite impressive stuff so far Rob,even if some of it was hard to follow.

    Cheers Matt

  13. #147
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    Quote Originally Posted by rob streeper View Post
    Rob,
    I was re reading your excellent thread.
    But please no more nude block plane pics.
    I just noticed your lack of clothing in one of your pics this forum is viewed by all age groups.
    Or at least leave the flip flops or thongs or whatever you call them State side on.

    Cheers Matt[emoji85].

  14. #148
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    Quote Originally Posted by Simplicity View Post
    But please no more nude block plane pics.
    I just noticed your lack of clothing in one of your pics this forum is viewed by all age groups.
    Or at least leave the flip flops or thongs or whatever you call them State side on.
    Prefer frying bacon?
    From art history class I recall something about a bare foot implicating willingness or availability.

    Shoes as symbols in art

    Interpretation of a dream in which you saw <<Barefoot>>
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  15. #149
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    Default Where it counts

    Sorry for the long hiatus, I've been very busy. This afternoon I just couldn't face any more contracts, lawyers, science and papers so I decided to get after this Lie Nielsen miter plane. I understand that you might say 'why bother?' concerning my efforts with the block plane discussed so far on this thread with justification. I'm not done with the block plane yet but now I'm going to address a plane where flatness may very well make a big difference in performance - a miter plane. A couple years back I bought a Lie Nielsen #51 miter plane in somewhat rough condition, the sole was slightly rust pitted. I've done some measurements and it's not quite square and not at all flat. Using 60 µm diamond powder and my 18" plate here is the progression.

    5 min.
    IMG_2242.jpg

    10 min.
    IMG_2243.jpg

    30 min.
    IMG_2244.jpg

    On the other face too.
    IMG_2246.jpg


    60 min.
    IMG_2252.jpg

    As you can see, the sole is pretty flat from the manufacturer and therefore the relatively rapid progression to near flatness with the 60 µm diamond dust. I estimate that another couple of hours of effort will be needed to attain full flatness at this grit. Once done roughing in the flattening at the finer grits tends to go quicker. Then on to squaring up the perpendicular and fettling the shooting board so that the square, flat plane runs true.

    Most planes have this banana shape sole fresh from the manufacturer, I guess that the machining of the mouth and or bed induces or releases internal tensions that cause the soles to flex a little.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  16. #150
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    Welcome back Rob. I know you have been preoccupied of late, but if you are up for a little light recreation, could I draw your attention to these threads?

    The basic concept:

    2020-2021 Plane Building Challenge

    The official launch:

    PLANE CHALLENGE 2020 - 2021 - Judges corner

    and the "Tips" section:

    Tips, Techniques and Theory

    The last is really on technical detail and covers a wide range of skill levels for the various participants.

    I hope you have time to participate and if that is the case you will see the entries in the Homemade tools and jigs section of the handtools section of the Forum.

    I think this thread of yours may well be of interest to people in the challenge for final flattening of their entries.

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

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