Shaving pony / Bow vice

A forum containing tutorials pertaining to bowmaking tools - their use, maintenance, etc.

Shaving pony / Bow vice

Prairie Man
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Prairie Man
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Joined: 15 Mar 2004, 14:44

18 Sep 2006, 16:42 #1

Here is a handy looking rig for working a bow stave

home.rochester.rr.com/dma...shavepony/
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greenchicken
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Joined: 22 Jun 2005, 05:13

18 Sep 2006, 18:50 #2

How appropriate. I spent the morning drive trying to visualize something like this so I could make a bowyer bench.

I say this design once before and was thinking how I could modify for bow making. For bows I am sitting much farther back and therefore need a long foot bar, but a longer foot bar means less angle, less angle mean less holding strength.

Stand by for result.
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strider
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Joined: 02 Apr 2006, 03:38

18 Sep 2006, 19:01 #3

Here's what I came up with this summer:

Two by four with two by tow screwed to the underside. At one end I screwed a carpenter's vise with the jaws reversed. Attached pieces of two by two to the jaws so they will just clear the 2x4, padded with leather. Gives me a totally secure grip in any angle of the stave, I can drawknive, shave, file, sand on ninety percent of the bow without having to continually manipulate the thing like you do with a shaving horse, and the 2x4 gives you complete support while at the same time allowing unfettered access to the work.

I place the 2x2 in the jaws of a Workmate. Whole rig cost me $30 dollars to build and is totally portable.
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Win1885
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Joined: 05 May 2005, 19:53

18 Sep 2006, 20:54 #4

Wow, Strider....that sounds really handy....can you post a pic? Particularly need to understand the vice attachment with jaws reversed....??
Thanks,
Tom I.
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greenchicken
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19 Sep 2006, 04:24 #5

I have been thinking about this all day. I just don;t think that clamp will work for a bow bench.

That foot controlled vise will only be effective with small items and while standing.

That clamp is clever but you are using you weight pushing down as the power of the vise's grip. When standing right in front of the object this is easy. But while sitting all your weight in on the bench. Push down on one foot to hold bow in place will compromise you movement, traction, and balance.

Also you would have to thread your bow through this clamp... that would be a real pain.

The design has to be engineered more like a normal vise that you can drop the bow in and out of quickly and easily. It will also have to lock into place without active energy (your constant pressure down).

I am imagining something claw like with a large weight holding it closed. A foot lever would be used to release the pressure.

Give me a few days and I present my plan.
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strider
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19 Sep 2006, 17:50 #6

Hey Tom, would love to be able to post a pic, as in this case especially, one pic would be worth a million words.

My best idea in addition to the above verbage, would be for you to get hold of a carpenter's vice and unscrew it all the way, reverse the outside jaw then put it back together. At that point you should be able to see what I'm on about.

If that doesn't work, get back to me and I'll try to figure out how to be more clear in my descriptions.

I am quite enthusiastic about how well this rig works. I am negotiating on a couple of film cameras like I used to use in my work, if and when I get them I'll take pics of this and much else and then look for a way to make them available to those who wish to see them.

Good luck.
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greenchicken
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20 Sep 2006, 05:25 #7

OK I am officially obsessed.

I just completed a quick test. Pretty happy. For use in the field I plan to ether use a jug that can be filled with water or a bag that can be filled with sand or rocks.

I will need a double claw and will probably make it out of oak. I'll also line the claw with leather.

When I mount it on a bench I will make a foot lever to release pressure.

Long way to go but I am enjoying the ride.





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Greenchile1
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20 Sep 2006, 13:18 #8

Phil

Can't wait to see the next evolution.

Greg
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PaleoAleo
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20 Sep 2006, 14:45 #9

Phil,

Add this to your thoughts on the project:

What if you had a really strong, heavy duty spring (like those used on garage doors...perhaps not that strong, but almost) that wanted to hold the vice closed. You step on a foot pedal attached to the spring to release the pressure to move the piece you're working on. Readjust the piece, and remove foot from the foot pedal, and the piece is firmly clamped again.

Tom
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Joined: 01 Apr 2006, 22:11

20 Sep 2006, 15:01 #10

I see you're getting to the prototype stage a lot faster than me!

Why not turn that sucker on its side, so the moving jaw is more or less horizontal? I think you'd get a lot more gripping power that way.-Matt
Matt
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greenchicken
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20 Sep 2006, 16:21 #11

Both of those ideas are interesting and warrant more thought.

"On it's side"...hummm.Gravity down, means lower jaw will be moving up against a fixed upper jaw. That could be an issue since the work (i.e. spoke shaves) is pushing down against the moving jaw. May not be stable. Could make the upper jaw mobile but that will make loading of the bow complicated... would havae to thread it through the vise.

"Spring"...hummm. I like that. It is no longer PALEO, but it also means not having to deal with a heavy weight.

Let's keep exploring.
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toxophileken
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21 Sep 2006, 02:39 #12

I've got some Gigantor garage door springs... Problem is I would be afraid that contraption would bite me... Very creative, though!

Phil, have you looked at the shaving horse 3Rivers sells?

Ken
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greenchicken
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21 Sep 2006, 06:13 #13

3River bow bench

Yep, Ken. I am surely reinventing the wheel here. I have been thinking more about Tom's spring idea, but have considered the catching my finger concern.

This is a classic design that return to use of your leg pressure to hold the item. I concept I fear unstable. I need both feet firmly of the ground when I shave.
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toxophileken
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21 Sep 2006, 07:29 #14

www.3riversarchery.com/ListProduct.asp?offset=2

Just some thoughts...

Hey Phil, could you run a threaded rod back from where the arm that goes down to the foot pedal back up to the bench? Or maybe a pipe clamp or bar clamp, so you could have a quick release... That way you could still use the convenient head of the horse to hold your staves, but be able to lock them down without your foot...

You could put several sturdy pegs or bolts on the outside of that same piece of wood running down, and have a quicker adjustment...

Actually, I would set it up so the release is on the top. Maybe you could even reach it without getting up, if you have long enough arms. You could weld a ring on the bottom end of the clamp jig, to keep the clamp from falling off the pegs or bolts when adjusting it. You could still pull it off for larger adjustments... In which case, of course you would have to get up.

Oh, good grief. Now I am going to have to make one... Ha ha.

Ken
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Joined: 01 Apr 2006, 22:11

21 Sep 2006, 14:14 #15

Geez.

I did some sketching yesterday and came up with an AWESOME design for a bow bench. Then I come back here only to find out that 3 Rivers is already selling it (more or less).

There's nothing new under the sun.

I'll probably build mine anyway. I don't have a spare $200 + shipping. And anyway mine's better, dag-gummit! -Matt
Matt
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PaleoAleo
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21 Sep 2006, 14:38 #16

Here's a link to a nice shaving horse. PHotos and exploded drawing for replicating the thing:

www.woodcentral.com/cgi-bin/readarticle ... _408.shtml

Tom
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PaleoAleo
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21 Sep 2006, 14:41 #17

I made mine with the legs loose, so that it breaks down for transport.

I'm inspired to make a new one now. My old one has a different kind of clamping device (the frame variety, as opposed to the dumb-head variety shown in the link above).

I used mine for a lot of things (carving bowls, spoons, making atlatls, etc.).

T
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bookworm
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21 Sep 2006, 16:17 #18

Over in the Woodworking Forum, Eric Methven had a neat device he uses for spoon making. Since seeing it, I've wondered if a stouter version could be used for bow making. It has the advantage of simplicity, and could probably be made portable. A clever person, like you guys, could come up with a version you could clamp to a picnic table bench, maybe.

p081.ezboard.com/fpaleopl...ID=3.topic

Just tossing an idea into the mix.

Doug
"I was glad I could answer promptly, and I did. I said I didn't know." - Mark Twain, from Life on the Mississippi.
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PaleoAleo
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21 Sep 2006, 17:07 #19

I used Eric's leather strap/vice idea in connection with my shaving horse. It works quite well, especially for holding small woodworking items like bowls and spoons. It worked well for bows too, but I need to adjust the way you impart downward force to the leather strap.

All in all, it's a workable sit-down design.

Tom
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Joined: 01 Apr 2006, 22:11

21 Sep 2006, 17:08 #20

Doug,

Here's a little idea I drew up in MS Paint yesterday. Look familiar?



(Not necessarily to scale.) You could push down on the dowel with your foot, or you could hang a weight (bucket of water, etc.) from the end of the lever and use the dowel as a handle to remove the pressure when you want to move the work piece.

Like I said, nothing new under the sun.-Matt
Matt
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