Main Discussion Area > Flintknapping

Bulb size

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StevenT:
A few post back, someone gave this advise... Make the bulb end the pointy end of your point. If I remembered who posted this, I would give them the credit for the idea. I always went about it the other way, but this makes good sense.

Dalton Knapper:
Hey Jodcus - I don't know how one achieves big bulbs on pressure flakes, but I do know the more pointy the flaker, the larger the bulb to some degree. I'd say all the same theories apply as above (sorta). Make sure you grind or sufficiently prepare the edge and are removing flakes BELOW the center line - that's the main thing for pressure flaking.

Zuma:
If I want to get rid of a big bulb, I reduce the wattage.
Say from a 100 w bulb to a 40w bulb.

Actually the replies here are terrific. One thing though--
Do you reduce the overall size of the spall if you are able to
reduce bulb size. Err a thin/thickness sort of thing.
Zuma

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