Straight knife, the scallops are at a right angle to the material passing through the machine spiral heads the scallops are running linearly with the board
Designing and building for 50 years
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On Apr 1, 2025, at 7:03?PM, Mike D. via groups.io <mjcdorsam@...> wrote:
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John:
I recently completed rotating the cutters on my AD951¡ quite straightforward and completed in a couple hours. Watch YouTube videos, have your tools ready and develop a flow to the process. I ran the first edge for several years of hardwoods; the time investment in the changeover was worthwhile.
Mike D.
On Tuesday, April 1, 2025, 11:40, John Hinman via groups.io <jhinman1911@...> wrote:
PK¡¯s observations make sense to me. My comparisons are much more limited, of course.
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I bought a 15¡± Powermatic thicknesser with spiral head, after years of the cheapest import I could find. I was amazed at the finish quality - I ran a chunk of fir through it and the surface was like glass. My reaction was ¡°why did I wait so long to get this!¡±
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The PM motivated me to replace the head on my 8¡± Delta jointer with a Byrd head. That was disappointing. Lots of little scallops. Jointing slower was the solution, but it was not really what I expected.
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I¡¯m satisfied with the spiral head on my A951, but am not looking forward to rotating all of those cutters.
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John Hinman
Boise ID
Kappa 450X and A941
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Mike D.
Annapolis, MD
AD951; K700S; N4400
