Spinnekop (windmill) #4: De koker

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Blog entry by JobK posted 09-27-2020 11:18 AM 301 reads 0 times favorited 3 comments Add to Favorites Watch
« Part 3: Boven tafelment Part 4 of Spinnekop (windmill) series Part 5: De achtakant stijlen »

This part of the mill is called “koker” and can be translated as tube. It is part of the bottom part of the windmill and allows the main drive shaft to go from the upper part to the lower part. It also allows the top of the windmill to be turned to face the wind with its wings faced in that direction.

It is made of 8 pieces and is held together by the “boven tafelment” and some iron bands.

On the drawing are some comments noting that the tube has been replaced at the wrong dimentions. It’s to small as you can see on the first drawing. It needs to be the size of the hole in the “boven tafelment” but is to small. I will make the tube at its correct dimentions.

The lumber

planed and milled

Putting a chamfer on the sides

Testing the fit on the “boven tafelment”

Making the iron band (out of aluminium)

3 comments so far

View Bstrom's profile


143 posts in 60 days

#1 posted 09-27-2020 01:17 PM

Must you be so precise!! My head is spinning at the sight of these remarkably accurate cuts…ohohohohohohohoh!!!

-- Bstrom

View JobK's profile


17 posts in 1754 days

#2 posted 09-27-2020 03:12 PM

Well, we don’t want sloppy joinery.

View mistermoe's profile


30 posts in 2681 days

#3 posted 10-06-2020 12:25 AM

Wow, that is a cool project. Not a lot of room for error either, from what I can see. Nice to see the execution in each step. Can’t wait to see the rest!

-- But Honey I really *needed* that (saw/plane/chisel...)

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