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[Antone Atmarama Bajor]

     I was just wondering is it possible to get the void free quality Baltic Birch in true 3/4" thickness or since its from europe and russia is it all 18mm.

   I can't find it.  I'd like to build some cabs I designed with 3/4" walls without having to redo everything.

    What are the cons of going with "Marine" Grade ply since I can buy that in true 3/4"

Antone-

[John Halliburton]

Maybe 15-20 years ago you could have found some, but certainly not in a long time.

I typically use .72" as the thickness when I'm drawing cabinets.
Shim your dado stack on the table saw, and get router bits that are slightly undersized(or metric!)

I'd still go with the Baltic Birch, but that's me.

Best regards,

John

[Ivan Beaver]

I use a small piece of laminate sample as my shim for baltic.  Been using the same piece for years.

[Mike {AB} Butler]

Antone,
Yes, pretty much all plywood these days is less than 3/4".
If you're a saavy CAD type.. it's real simple to convert using a snap to distance that undersizes the plywood by the right amount.. after you draw up the design - takes all of 2 minutes in most of my designs.
The real trick is when you go to cut.. ever tried converting regular fractions on an SAE ripfence to odd decimal inch fractions? A REAL gasser..
Regards,
Mike (works from decimal to fraction all day long) Butler

[John Halliburton]

Well, you could used one of these too:

http://catalog.starrett.com/catalog/catalog/groups.asp?GrpTb l=12&GroupID=210&GrpTab=Spec

32nds/64ths/10ths/50ths

It helps a bit.

Best regards,

John

[Mike {AB} Butler]

Arr, John, thanks, but I already got me a couple of those..  as well as a Dial Caliper. Problem is my Biesmeyer T square ripfence.. which has standard fractions on it - too bad it didn't come with an SAE fractional/Decimal/Metric ruler.  
I have laid an engineering scale on it.. but found that's unnecessary, as I could estimate pretty well on my own. The result requires quite a bit less sanding - than if I had left it up to the nearest 32nd..
The decimal to fraction conversion is a snap now.. after having done the CAD thing for 20 years..
Regards,

[John Halliburton]

Mike {AB} Butler wrote on Sun, 17 December 2006 06:49

Arr, John, thanks, but I already got me a couple of those..  as well as a Dial Caliper. Problem is my Biesmeyer T square ripfence.. which has standard fractions on it - too bad it didn't come with an SAE fractional/Decimal/Metric ruler.   I have laid an engineering scale on it.. but found that's unnecessary, as I could estimate pretty well on my own. The result requires quite a bit less sanding - than if I had left it up to the nearest 32nd.. The decimal to fraction conversion is a snap now.. after having done the CAD thing for 20 years.. Regards,

I hear ya.  A 24" Starrett has been my defacto ruler for a long time.  I'm thinking it's time to modify a digital readout from a milling machine X-Y base to sit on the saw fence.
Actually, I'm getting more and more parts cut out at a friend's company where he has full CNC capabilities.  I just send drawing files with measurements to the tenthousandths place, and it doesn't phase him a bit.  Way more accurate and square than any table saw too.

Best regards,

John

[Mike {AB} Butler]

John Halliburton wrote on Tue, 19 December 2006 23:32

Actually, I'm getting more and more parts cut out at a friend's company where he has full CNC capabilities.  I just send drawing files with measurements to the tenthousandths place.   Way more accurate and square than any table saw too.

Aww, John, that'd take away all my FUN  

John Halliburton wrote on Tue, 19 December 2006 23:32

and it doesn't phase him a bit

Soo.. when did fazing become phasing?!    
Regards,