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Thread: Power Strop

  1. #1
    Join Date
    Oct 2006
    Location
    Tokyo Japan
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    15,644

    Power Strop

    OK blame this on Tod Evans

    I posted this elsewhere, but is is SO good, I just had to share it again!!

    Basically you get a round piece of fairly thick MDF, and attach a piece of leather too it, mount it on something that spins, and then you add oil and polishing rouge to the leather. Yep, that simple, but I like simple.........


    Ready to cut out.


    Cutting a rough circle with my jigsaw (it will be trued up on the lathe)


    I also cut a piece of leather slightly larger than the piece of MDF, you can also see the mandrel I bout to chuck up in a drill or on the drill chuck on the lathe.


    I needed to drill a hole 12.7 mm in diameter.


    Drilled the hole and fit the mandrel


    With the drill chuck on the headstock of the lathe, I tried to true things up, but, the mandrel was too flexible, and the whole disc wobbled badly.........plan B


    I took out the mandrel, and mounted the disc on my 6" faceplate, this worked VERY well.


    I was easily able to true up the edge and the face of the disc, but man that MDF is DUSTY to turn, notice the cyclone hose right there.....


    I bought some glue that is designed for sticking leather to wood, it is a kind of contact cement.


    I let the glue sit 10 minutes, like it says on the package, then I stuck it together, and pounded the heck out of it, then for good measure............


    I clamped another piece of plywood on top of it and let it sit for 15 minutes or so.


    Back on the the lathe, I trued up the edge again, cutting off a thin slice of the leather.


    The minor spots of glue on the face just scraped off with the back of my razor knife.


    Tod told me to now soak the leather in oil, so I did, he said any old oil would do, so I had some electric chainsaw chain oil sitting around, I figured that it would work well. I really soaked it and let it sit, then soaked it again. Then after 10 minutes or so, I wiped off the excess oil, and back on the lathe it went.


    Here it is loaded with Rouge, Tod said it would make a paste, and it sure did.

    So, how did it work?

    Man alive did it work!! I cannot believe how well it works, I have a bunch of chisels, they are ones that I inherited or I won on auction,
    that were in fairly rough shape, and needed a lot of work. I just ground them on the grinder, on the coarse wheel, and then went straitght to the Power Strop.

    Most were sharp enough to shave the hair on my forearm in less than a minute, WOW!!!!


    Bright, shinny, and SHARP!!

    Can't thank Tod enough for suggesting this, boy will this be a time saver!


    After sharpening 10 chisels, the Power Strop is still in great condition.
    You have to be careful how you present the chisel to the power strop, but it did not take me long to figure that one out.

    Man does this work!!
    Cheers!

  2. #2
    Join Date
    Nov 2006
    Location
    Brooklin ON -- 45 mins. NE of Toronto, ON
    Posts
    853
    Hi Stu; I like your power strop, however since it will only spin one way it can't be used to strop double edged knives.
    I made a knife sharpener - power strop from an old 2 brush floor polisher turned upside down.
    These things can be picked up around here at garage sales for under $5.00. Take off the brushes, add the mdf circles with leather etc. An extra set of heads could have emery paper added for those really dull knives.

  3. #3
    Join Date
    Oct 2006
    Location
    Tokyo Japan
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    Actually, it can, that DVR has a reverse and the faceplate has a locking set screw on it, so I could certainly do it in reverse

    Good idea with the floor polisher!

    .......got any pics to share...?

    Cheers!

  4. #4
    Join Date
    Oct 2006
    Location
    ozarks
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    4,992
    mac, my wheel is mounted on a buffing machine leather on both sides.....works just fine...tod
    Click image for larger version. 

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    [SIZE="1"] associated with several importers and manufacturers.[/SIZE]

  5. #5
    Join Date
    Nov 2006
    Location
    Brooklin ON -- 45 mins. NE of Toronto, ON
    Posts
    853
    [quote=Stuart Ablett;3252]Actually, it can, that DVR has a reverse and the faceplate has a locking set screw on it, so I could certainly do it in reverse

    Good idea with the floor polisher!

    .......got any pics to share...?
    I've never taken any of it, but seeing as how you are interested, I'll take some this aft & post them. It's pretty crude, but it works great! Going to LV this morn to pick up some stuff.

  6. #6
    Join Date
    Oct 2006
    Location
    Toronto, Ontario, CANADA
    Posts
    2,332
    It looks good Stu! I will have to think about making something similar . But, there are a lot of things ahead of it on my list, .
    Cheers, Frank

  7. #7
    Join Date
    Oct 2006
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    Something that may be of use with this:
    http://www.finewoodnthings.com/prod01.htm

    The lathe adapters are round aluminum widgets with headstock thread at one end and 5/16"-18 female thread at the other. Your "arbor" then simplifies to a 5/16" bolt, a nut, and two washers.
    Where are we going? And what am I doing in this handbasket?

  8. #8
    Steve Clardy Guest
    Looks like I need to add one of these to my shop projects folder.

  9. #9
    Join Date
    Nov 2006
    Location
    Brooklin ON -- 45 mins. NE of Toronto, ON
    Posts
    853
    Hi again Stu; some pics of floor polisher power strop.
    Attached Thumbnails Attached Thumbnails IMG_0028 (Small).JPG   IMG_0029 (Small).JPG  

  10. #10
    Join Date
    Oct 2006
    Location
    ozarks
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    perfect mack! spinnin` leather charged with rouge.....i have a 3" circle that`s about 1/16 thick i mount on a die grinder to hit the inside of "v"groove`s and vieners....works slicker`n a whistle.....tod
    [SIZE="1"] associated with several importers and manufacturers.[/SIZE]

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