Popular Post PeteJr Posted June 20, 2016 Popular Post Report Share Posted June 20, 2016 I'm building a 24" long 8 sided column for a single pedestal dining table. The Whiteside #3508 Bird's Mouth router bit is the Cat's Meow. Setting up the bit height and depth of cut is challenging however this website really helped. The section entitled Modified Birdsmouth Spar Calculators is what I used. http://www.duckworksmagazine.com/10/howto/birdsmouth/ Here's the sample/test cut results. 3 Quote Link to comment Share on other sites More sharing options...
shaneymack Posted June 20, 2016 Report Share Posted June 20, 2016 That is cool!! Thanks for sharing Pete, i never even knew these existed. You learn something new everyday! Sent from my SM-N910W8 using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 20, 2016 Author Report Share Posted June 20, 2016 Here's the 8 staves for the column ready for assembly. That's Red Oak, not the easiest species to machine cleanly, and the cut (single pass) from the Bird's Mouth bit looks great. Quote Link to comment Share on other sites More sharing options...
treeslayer Posted June 20, 2016 Report Share Posted June 20, 2016 looks great pete, i've always wondered how those bits performed and now i know, thanks 1 Quote Link to comment Share on other sites More sharing options...
Janello Posted June 20, 2016 Report Share Posted June 20, 2016 Looks awesome. New Whiteside bits are dreamy. Quote Link to comment Share on other sites More sharing options...
Janello Posted June 21, 2016 Report Share Posted June 21, 2016 13 hours ago, Mike. said: yeah man. screw the ridgid tool calendar. I want the whiteside calendar. You must take me for a fool. These are the calendars I have in my office. I told her...sign and date it....sign and date it ! And the disposal girls. 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 21, 2016 Author Report Share Posted June 21, 2016 For the record: stave width is 4 1/4 " the stave width determines the overall diameter of the column which in this case is 10 1/4" stock thickness is .825" bit height is .908" used a digital height gauge to measure from the router table surface to the top edge of the carbide the stock thickness and bit height are related you want the the stave flush with the tip of the bird's mouth for a good fit and finish I arrived at the proper bit height by trial and error however there must be a way to calculate this Additional info http://www.leevalley.com/US/html/16j4056ie.pdf 1 Quote Link to comment Share on other sites More sharing options...
Janello Posted June 21, 2016 Report Share Posted June 21, 2016 Here's an interesting article that expands on the use of those bits. http://www.woodmagazine.com/woodworking-plans/routing/birds-mouth-bits Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 22, 2016 Author Report Share Posted June 22, 2016 Trial fit - looks good - ready for glue up Quote Link to comment Share on other sites More sharing options...
Janello Posted June 22, 2016 Report Share Posted June 22, 2016 That turned out perfect, Pete. Nice work. 1 Quote Link to comment Share on other sites More sharing options...
shaneymack Posted June 23, 2016 Report Share Posted June 23, 2016 I agree with John, that does look perfect ! Great job. Sent from my SM-N910W8 using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted June 23, 2016 Report Share Posted June 23, 2016 Sweet!! Great job! 1 Quote Link to comment Share on other sites More sharing options...
Janello Posted June 23, 2016 Report Share Posted June 23, 2016 Pete, what's the plan for attaching the legs? Glue and hanger bolts? Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 23, 2016 Author Report Share Posted June 23, 2016 On 6/22/2016 at 9:35 PM, Janello said: Pete, what's the plan for attaching the legs? Glue and hanger bolts? Hanger Bolts - 2 per foot 5/16" diameter and 3" long 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 26, 2016 Author Report Share Posted June 26, 2016 Decided to reinforce the column with 3 plywood inserts (top, middle and close to the bottom). Cut them on the bandsaw and used the belt sander to fine tune the fit. Chose plywood for it's dimensional stability. They will add rigidity and strength to the column. 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 28, 2016 Author Report Share Posted June 28, 2016 My best friend Kevin offered up his horizontal drill press to drill out the holes for the hangar bolts. The holes are perfectly aligned and parallel to the staves. These bolts will fasten the column to the top plate. The top plate carries the geared slides for the table top. Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted June 28, 2016 Report Share Posted June 28, 2016 I'm anxious to see the final product, Pete! Looks great so far! Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 28, 2016 Author Report Share Posted June 28, 2016 Table base completed. Quote Link to comment Share on other sites More sharing options...
shaneymack Posted June 28, 2016 Report Share Posted June 28, 2016 Very nice, Pete ! That one robust base! Where did you buy those extentions? Sent from my SM-N910W8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 28, 2016 Author Report Share Posted June 28, 2016 1 hour ago, shaneymack said: Very nice, Pete ! That one robust base! Where did you buy those extentions? Osborne Wood Products - very well made and fast shipping. https://www.osbornewood.com/9050.aspx 1 Quote Link to comment Share on other sites More sharing options...
wdwerker Posted June 29, 2016 Report Share Posted June 29, 2016 I have used those wooden slides as well. Osbourne also treated me well . 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 29, 2016 Author Report Share Posted June 29, 2016 22 hours ago, wdwerker said: I have used those wooden slides as well. Osbourne also treated me well . Steve, Do I need to be concerned with tabletop movement from changes in humidity when I attach the Osborne slides to the underside of the tabletop? Quote Link to comment Share on other sites More sharing options...
PeteJr Posted June 29, 2016 Author Report Share Posted June 29, 2016 Tabletop components in the making. Left two will be 12" leaves. Right two are the main tabletop, right and left side. 1 Quote Link to comment Share on other sites More sharing options...
wdwerker Posted June 30, 2016 Report Share Posted June 30, 2016 Attach each half of the top with a single fixed screw in the center and a slotted screw either side of it. That lets each side move however it needs and might prevent the top sections from bowing or cupping. Allow for 1/8" of movement per ft of top width (cross grain ) 1 Quote Link to comment Share on other sites More sharing options...
PeteJr Posted July 6, 2016 Author Report Share Posted July 6, 2016 On 6/29/2016 at 10:49 PM, wdwerker said: Attach each half of the top with a single fixed screw in the center and a slotted screw either side of it. That lets each side move however it needs and might prevent the top sections from bowing or cupping. Allow for 1/8" of movement per ft of top width (cross grain ) Steve, How do these slotted holes look? Quote Link to comment Share on other sites More sharing options...
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