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Blade angles

Discussion in 'Busse Combat Knives' started by Adam Fischer, Mar 14, 2019.

  1. Adam Fischer

    Adam Fischer Gold Member Gold Member

    101
    Dec 27, 2017
    so anyone know offhand the factory angle of the forsaken gemini’s and steel hearts?

    Save me the trial and error with a sharpie :)

    Thanks!
     
  2. Baron83

    Baron83 Gold Member Gold Member

    101
    Aug 7, 2017
    Nothing set in my experience. Hand ground.
     
  3. Adam Fischer

    Adam Fischer Gold Member Gold Member

    101
    Dec 27, 2017
    Wow crap!

    I just got a wicked edge and wanted to start putting some mirror edges on my whole collection...better not make plans for the weekend...:mad:
     
    Lapedog likes this.
  4. Baron83

    Baron83 Gold Member Gold Member

    101
    Aug 7, 2017
    Hahah. Sorry man. I stopped using my Spyderco sharpmaker and started using double sided whetstone and strops. Never had sharper knives.
     
  5. Ironkid883

    Ironkid883 Basic Member Basic Member

    150
    Jun 29, 2018
    I get a nice enough polish with just a strop then ya wont have to reset the wicked edge my rmd was a lil toothy took a bit but got it mirrorish just a thought
     
  6. Baron83

    Baron83 Gold Member Gold Member

    101
    Aug 7, 2017
    I often just strop mine now too. Unless the edge is toothy as you note, and then I put on a stone.
     
  7. Adam Fischer

    Adam Fischer Gold Member Gold Member

    101
    Dec 27, 2017
    All valid, I have a strop setup and sadly couldn’t get an edge worth a damn onto anything as I lack either a steady hand or straight vision so....a grand later and I’m managing to get the job done...guess I’m heading to Costco for a box of sharpies :)
     
  8. Cobalt

    Cobalt Gold Member Gold Member

    Dec 23, 1998
    You could hand grind your own angle on it and continue on with it from there.
     
    Brian77 and zombieassassin like this.
  9. Baron83

    Baron83 Gold Member Gold Member

    101
    Aug 7, 2017
    Good call. Good option also.
     
    Brian77 likes this.
  10. co556guy

    co556guy

    887
    Dec 13, 2011
    I've done this. Takes a LOT of time and effort. Can produce a ridiculously sharp edge. Or you can go the route of a belt sander and use progressively finer grit sandpaper then strop band. Which is probably the next direction I will go with sharpening ideas as I'm warming up to zero grind convex edges.

    My heavy users have set edges right now so I can fix edge issues using a guided system, but as I've started to move away from the guided system to stones, I've relegated the guided system to those times when ultimate sharpness is more important than edge durability. I will say that convex edges seem to have less drag when cutting, but I'm not yet able to achieve the same sharpness when producing a convex edge as I can with the guided system. That will change though.
     
    Brian77 likes this.
  11. tokerblue

    tokerblue

    May 1, 2010
    I bought the Ultra Coarse (50/80) stones to reprofile my Busses. I'm probably going with a 20° angle as measured by an angle cube.
     
  12. Cobalt

    Cobalt Gold Member Gold Member

    Dec 23, 1998
    With a caliper you can measure the length of your edge. This should be the same for both sides( A and C). Then you can measure the thickness of the base of the edge( B). Once you have done that you have all three sides of a triangle. Angle B is the included angle. Cut in half it is DPS.
    [​IMG]

    Here is the calculator to use:

    https://keisan.casio.com/exec/system/1223019182
     
    duramax likes this.
  13. RobStanley

    RobStanley Platinum Member Platinum Member

    Dec 27, 2006
    Freehand all the way. Once your blades are set to your sharpening style, you never have an issue. I use a 600 grit diamond stone to hone if it's really dull. Followed by a touch up on a butchers steel. Occaisionally I'll strop, but I've found if the edge is really polished ie: fine, the the quicker it is to dull. For general cutting tasks, and minutley rough edge works way better, and lasts longer.
     
  14. zombieassassin

    zombieassassin Gold Member Gold Member

    Feb 1, 2015
    Kinda like a microscopic serrated edge huh Rob ......me too mate! Rough and ready.
     
    PeteyTwoPointOne and duramax like this.
  15. Cobalt

    Cobalt Gold Member Gold Member

    Dec 23, 1998
    When freehand sharpening measure the angles as above. I have often taken the edge way thinner than what I thought it was. It is especially hard to notice on a flat ground blade.
     
    duramax likes this.
  16. RobStanley

    RobStanley Platinum Member Platinum Member

    Dec 27, 2006
    Pretty much! And it's easy to maintain.
     
  17. MacLaren1

    MacLaren1 Gold Member Gold Member

    May 15, 2014
    I enjoyed the video you did of I think it was the MOAB slicing those steaks. It did a great job :D
    You did too of course :cool:
     
  18. zmbhntr

    zmbhntr ̿' ̿'\̵͇̿̿\з=(•̪●)=ε/̵͇̿̿/'̿''̿ ̿ Platinum Member

    Jul 28, 2014
    Since you have a WE, which is a truly fantastic system, I highly suggest you reprofile and optimize the edge for your own preferences based on how you will use the knife. I personally find 19 degrees to be the sweet spot for my medium to larg sized Busse's. After that it is very easy to maintain the edge you like create. I reprofiled several medium to large Busse's on my WE and the results were outstanding. It does take a lot of time though to do the initial reprofiling.

    Agree completely about the polished edge not lasting as long. I definitely also prefer a toothy edge on my harder use knives / choppers. That being said I don't really agree about freehand. Freehand can of course yield results as good as using any sharpening system out there; however, the amount of practice and skill it takes to get really good at it, and maintain that degree of precision, is very difficult for most people to achieve (by most people I'm really referring to myself, haha). I have seen so many people really mess up their knives by attempting to sharpen them freehand it has also left a bad taste in my mouth. I sharpen a lot of knives but do not have good freehand skills, at least not good enough for me to trust trying on my expensive knives where I want a high degree of precision. That is why I like systems like the WE and now my AMK-75, because the results are excellent and easily reproducible to those with relatively low sharpening skill like myself.
     
  19. PeteyTwoPointOne

    PeteyTwoPointOne Platinum Member Platinum Member

    Jun 10, 2014
    ..............
     
    Last edited: Mar 16, 2019
  20. JFLemm

    JFLemm

    284
    Nov 29, 2013
    Did my ASH-2 at 20 degrees, probably a bit much and would probably go back to 25 if i could. BUT 20 degrees will cut like a Sum-Bitch, just ask the ER Doctor who glued me back together!
     
    zombieassassin likes this.

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