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» Trad Gang.com » Main Forums » The Bowyer's Bench » Did I got the whole "tapre rate" right? (Page 1)

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Author Topic: Did I got the whole "tapre rate" right?
arachnid
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Ok, just to be sure:
If a lam has 0.003" taper, it means that it`s thinner by 0.003" for every inch.
So, for a 34" long lam, one end
will be- 0.003 X 34 = 0.102" thinner then the
other end. Converted to mm, it`s 2.59mm.
So, if I make my tapered sled 10mm thick at one end, I`ll need to make it 7.41mm thick at the other end.

Am I right or wrong?

I`ll also like to know if you guys have a way of making a tapered sled without a tablesaw (I do have a circular saw). My tapered sled SUCKS.

Thanks
Dor

Posts: 274 | From: Israel | Registered: Jul 2016  |  IP: Logged | Report this post to a Moderator
Roy from Pa
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If I were you, I would order one from KennyM.

https://www.kennysarchery.com/

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arachnid
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quote:
Originally posted by Roy from Pa:
If I were you, I would order one from KennyM.

https://www.kennysarchery.com/

I thought of that but I rather try to do it myself first.
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Roy from Pa
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I understand, was just a suggestion.
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arachnid
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quote:
Originally posted by Roy from Pa:
I understand, was just a suggestion.

And I thank you for it.
I sent an e-mail to Kenny to ask for prices... [Wink]

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Bvas
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Unfortunately, I agree with Roy.
I take it one step further and just order my lams from kenny. I don’t have the tools to produce the quality and precision in lams that he does.
But yes, your math is correct.

--------------------
Some hunt to survive; some survive to hunt

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arachnid
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I wish I could take the easy way and order everything.
Thing is, that when converting USD to ILS + shipping, it come out pretty pricey. So I try to not get discouraged and make everything myself. Hey, I got 3 performing bows already.... Just need that tapered sled fixed.

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Bvas
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What other tools/equipment do you have?

You might get more suggestions from the fellas if they know what you have to work with.

--------------------
Some hunt to survive; some survive to hunt

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arachnid
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I`ve got:
-Compound sliding miter saw
-Circular saw
-Roybi 1056 hand held belt sander (with DIY table to turn into edge sander)
-450W Oscillating Spindle Sander (with a thinkness sanding attachment I`wve made to gring kams to thickness).

And hand tools- saws, files, rasps and so on

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Shredd
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Make sure you check your lam thickness from side to side... If it is off a little you can always flip your lam and send it through the sander on your last run...
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monterey
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It looks like you are pretty much set if your lam grinder is accurate. I'm going to second ordering from kennym (or am I thirding it?).

Order .001 and a .002. then you can combine them to grind a .003. or, if you have some good very accurate tapers, you could use them as a guide to make your sleds.

Kenny's are bamboo and probably close to bullet proof.

Sorry, I know you didn't want to hear that but it might save you some grief.

--------------------
Monterey

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Crooked Stic
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You can make them with really accurate tapers and a drum sander. But I vote for getting them from Kenny.

--------------------
High on Archery.

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Kauz
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Hello Arachnid,
with your setup, you could make taper sleds by gluing a bought taper to the back of a parallel board and push it through the thickness sanding attachment.
For tapers, you could buy from Rudi Weick or from André Boye , but André is busy at his main job and can't sell for some time. These vendors are located in Germany so shipping might be easier and perhaps cheaper than from US.

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LittleBen
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Kaus has a good point. Don't try and cut the taper into the sled itself.

Just buy one tapered lam of the taper that you want to replicate, and lay it down on top of you sled. Now your sled is tapered. Now put your wood on top of that and when you grind it, it will have the taper you want.

This way you only buy 1 set of lams, and you can make as many as you like after that.

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Roy from Pa
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That's what I do, Ben. Got a couple different taper patterns from ole KennyM.

https://www.youtube.com/watch?v=KrndKbkip_0

Posts: 11605 | From: PA | Registered: Oct 2006  |  IP: Logged | Report this post to a Moderator
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