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Step 5Cutting the slots for the turbine blades
The way i did it was to draw the lines on 2 of the planks and then mark all the bows that i had to cut.
This i would not do again! I think its better to mark only one.
The bows you draw like this: take one half pipe and hold it against one of the 8 lines you drawn before. Draw a line on the inside and the outside of the pipe. The one where you marked the bows on you put on top and then you clamp them together. When you cut them they will be exactly the same. I used a sawblade thats normally meant for cutting metal. That saw blade just a fraction thinner then the blades.
On the side of the 2 disks you make a marking that runs over both of them. This way when you are assembling the turbine the disks will line up perfectly.
What you also should do when there still clamped is drill the centerhole to the size of your big wire rod and the 4 holes for the small rods. Divide the 4 rods equally over your turbine as you can see on the picture below. Stay about 2 cm away from the bows. That way you can still place some washers on your rods without them touching the blades. Take the clamps of and mount the turbine blades and the 4 smaller rods as shown in the last picture. It needs to be a tight fit !
This i would not do again! I think its better to mark only one.
The bows you draw like this: take one half pipe and hold it against one of the 8 lines you drawn before. Draw a line on the inside and the outside of the pipe. The one where you marked the bows on you put on top and then you clamp them together. When you cut them they will be exactly the same. I used a sawblade thats normally meant for cutting metal. That saw blade just a fraction thinner then the blades.
On the side of the 2 disks you make a marking that runs over both of them. This way when you are assembling the turbine the disks will line up perfectly.
What you also should do when there still clamped is drill the centerhole to the size of your big wire rod and the 4 holes for the small rods. Divide the 4 rods equally over your turbine as you can see on the picture below. Stay about 2 cm away from the bows. That way you can still place some washers on your rods without them touching the blades. Take the clamps of and mount the turbine blades and the 4 smaller rods as shown in the last picture. It needs to be a tight fit !
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