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  1. #1
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    Default Chris Hall's Carpentry Study Group - Fifth Project


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  3. #2
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    OK, I decided not to mime the whole stock dimensioning process - and I would be the only one that found it funny anyway.

    I am at the stage where all of the large section stock is rough sawn, about 5mm oversize at this stage. Sundry items such as the numerous rafters will be done as I go. I will bring each piece down to final dimension as I require them for joinery. The first simple components of joinery will follow shortly...

    P1010666.JPG

  10. #9
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    Looking good so far..

  11. #10
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    Well it turns out that festive season activities, interstate travel, moving house and changing jobs are not conducive to progressing woodwork projects - Why didn't someone tell me?

    Now that most of that stuff has settled work will resume at a blistering pace (Well, compared to glacial movement...)

  12. #11
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    The first order of business is to fabricate a couple of tenoned stub posts. We can knock these up in fairly short order:
    P1010678.JPG

  13. #12
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    The next part to construct is the Perimeter Fascia strip or Hirokomai. That part is identified in the attached graphic:
    Attachment 255164

  14. #13
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    Those that have followed along on the earlier projects may have divined that the Hirokomai is simply a hopper that is not very high but quite wide. Consequently the same methods can be used to determine the compound cuts that will be required to have the two parts mate at the mitre intersection, to wit:
    P1010871.JPG

    The conspicuous extra piece hanging around in the photo is a paring block and we will press it into service very soon. It matches the angle of the mitre cut.

  15. #14
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    Now that our Hirokomai is cut, we need a method to fasten them together at the mitre - can't just have them flapping around in the breeze. First lets mark out a couple of mortice pockets on each piece:

    P1010875.JPG

  16. #15
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    With paring gauges in place we can chop, chop, chop:

    P1010876.JPG
    And bring them down to the final dimensions:
    P1010887.JPG

    Now a couple of holes that should terminate inside these mortices, here is the makeshift jig I constructed to try and align the drill bit correctly to the Hirokomai piece:
    P1010888.JPG


    And here we have it - the ancient Japanese practice of sourcing galvanised bolts from Bunnings, cutting off the threaded portion and using them to bolt our hirokomai together (dates from the beginning of the Tokugawa Shogunate I believe).

    P1010891.JPGP1010892.JPG

    Actually this is not truly authentic, I don't think the true Japanese craftsman would have rushed the job late at night using a high speed drill bit in an electric drill like I did. Consequently their holes would have been drilled in the correct place. And they wouldn't have to redo the job like I will have to.

    Not shown very well in the photo but the alignment of the bolts is terrible and the top surfaces of the Hirokomai are displaced by a couple of mm. Hmmm, lesson learnt, take things more slowly, do them first thing in the morning not last thing at night .

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