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Bowswap ILF Build-along - All Done!

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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Sat Aug 14, 2010 9:22 pm

4nolz wrote:How do you know how much limb butt to trim off with the ILF wedges/rocker?


Mike, there is a CAD drawing here: viewtopic.php?f=49&t=6335

But basically, the finished ILF limb butt is 2.5" from the Rocker. On my form I plan on 1" of cutoff, extra, whatever you call it from the very back of my form. So I when I made the wedge I just trimmed the butt down to 3.5" (1" + 2.5") before glue-up.
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BullMtnArchery » Mon Aug 16, 2010 12:59 pm

Doing great. Loving this build. One of my winter projects will be to build a ILF for myself. Nice little trick with the dowels.
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Tue Aug 17, 2010 4:37 am

More riser work. I do the vast majority of riser shaping between a 6x48 sander and the rigid edge sander. So first I rough out some of the larger chunks on the bandsaw.
Image

Load both sanders up with 24 grit Zirconium and get to it.
6x48 for bigger curves.
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Rigid for narrower curves.
Image
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Tue Aug 17, 2010 4:47 am

Once I have the throat of the grip pretty close I mark out the shelf/sight window.
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I use the I-Beam as my centerline reference and just grind her down on the 6x48.
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Flipped around doing the shelf side
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Rock it back & forth a bit & this is what I'm left with after the 6x48.
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Here they are after taking them to the narrower Rigid & getting even closer to a finished shelf.
Tonight I'll finish out the shelf & get rid of all the 24 grit marks ;)
Image
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby 4nolz » Tue Aug 17, 2010 6:21 am

intresting-you dont cut out the site window or shelf you grind it out? neat idea site windwos and shelves kick my butt.
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Tue Aug 17, 2010 6:40 am

4nolz wrote:intresting-you dont cut out the site window or shelf you grind it out? neat idea site windwos and shelves kick my butt.

Ya they used to kick my butt too.
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby Kirkll » Tue Aug 17, 2010 7:18 am

yup.... zirconium rock paper sure beats the hell out of screwing up band saw blades too. :D :D

i've never tried the 24 rocks per inch stuff. :shock: :shock: but the 36 rock gets her done nicely.

great job Bobby! :D
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby angelstaff » Tue Aug 17, 2010 7:33 am

Bobby, that looks great, I can not wait to see it finished
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Tue Aug 17, 2010 11:07 am

Kirkll wrote: i've never tried the 24 rocks per inch stuff. :shock: :shock: but the 36 rock gets her done nicely.


It sure does remove wood in hurry! Like being in a snowstorm of dust shavings :D :D
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Re: Bowswap ILF Buildalong - 4 4Nolz

Postby BK in TEXAS » Wed Aug 18, 2010 7:58 am

Wish I could have taken some action shots while finishing out the shelf, but the air die grinder makes a heck of a dusty mess :shock:
I just use 36 grit roloc discs and grind down where the belt sander couldn't reach.
Image
Image

Once I get more or less what I want the shelf/window/riser to look like I switch to a 50 grit orbital sander disc. 50 grit is aggressive enough to still do shaping while not taking out major gouges. I make sure the riser is completely shaped before finishing with the 50 grit discs.
Image

All that's left is moving to 120 grit orbital, then 220 grit.
Image
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