Drywall cutting.

nozh2002

nozh2002

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I had to cut some drywalls today and use it to test different knives. First I used my EDC Yuna (since I can made any edge on any knives, I do not afraid to damage expensive (kind of, at least for me) custom folder). Hair whittling sharpness is very good to cut paper, but then it hits that chalk (or whatever it is in drywall - that dry thing) and sharpness itself does not play too much role. It takes about 7-10 passes to cut regular drywall by Yuna.

Yuna-Hard-II-007.jpg


Of course there is no hair whitteling as well as shavin sharpness after it cuts drywall. Bit I did not see any chips or similar damage on this "too brittle" steel. Once again ZDP189 shows no sign of being too brittle.

After observing how Yuna cuts drywall, I start thinking that this is more matter of blade thickness then everything else and decide to try RosArms Edelveis - first Russian knife I bought before I realized that most of them are 1/16"(2mm) thick and they manage to put deep-negative hollow grind on it with blade near edge being around 1/64"-3/128".

RosArms-Edelveis-18.jpg


It takes me 2 passes to cut drywall! It was amazing demonstration of thin edge superiority in drywall cutting! I uses RosArms Edelveis before as my major watermellon cutter - it cuts not crack it and same works even better with drywall!

Thanks, Vassili.

P.S. 110x18 also did not get any edge damage.
 
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The proper drywall cutting proceedure is to cut just the paper on one side then bend and snap the core. then cut the paper on the other side. When necessary to cut through drywall for openings it's best to use a saw .Drywall is a tough test for a knife and even with the above method they use a disposable blade knife.
 
mete said:
The proper drywall cutting proceedure is to cut just the paper on one side then bend and snap the core. then cut the paper on the other side. When necessary to cut through drywall for openings it's best to use a saw .Drywall is a tough test for a knife and even with the above method they use a disposable blade knife.
Click to expand...

Mete, Vassili probably knows that. He's just playing around again.;)
 
Vassili, what does the other side of that Yuna look like? I see some orange; very cool. Still saving up for one. Clint
 
This is other side of the Yuna Hard 2 (color combination is my choice).

Yuna-Hard-II-006.jpg


For drywall, I found that easiest way is to cut paper on both sides first and then with Edelveis make clean accurate cut in just two passes. I am talking about 3' by 3' pieces and less.

Thanks, Vassili.
 
I do not think drywall is usually cut through except to make holes for electrical stuff. I usually score and then snap it.

Do you have any serrated edges. That might be a better choice.
 
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