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Default Festool DOMINO - doubling mortises in 2x4s

Power was on and off yesterday eve/night while I was trying
to respond to a question about "doubling" mortises on a 2x4.
I think it was "Rick"" that wondered how you could do this

+------------+
| +-+ +-+ |
| | | | | |
| +-+ +-+ |
| |
+------------+
on a 2x4 since the "presets" on the DOMINO only allow for up to
20mm from reference face to mortise centerline.

Well a buddy, with no prior experience with the DOMINO just
did this - on all the mitered corners of a 2x4 gate - 5'6" wide
by 7' tall.

+------------+"inside" obtuse angle of miter
| +-+ +-+ |
| | | | | |
| +-+ +-+ |
| | "inside" mortise 100mm from "knife edge"
| +-+ +-+ | "outside mortise referenced of 100mm mortise
| | | | | |
| +-+ +-+ |
| |
+------------+ "outside" knife edge end of miter

He used the 10mm "bit", "22" setting on the center on stock width
preset (center of resulting mortise is 11mm off either rerence face)
"outrigger pins set at 100 mm from mortise long axis center line.

Total time - with no prior experience - from first cut to last cut
*8th mortise) on one part - with mitered ends- was 2 minutes
22 seconds, including clamping and unclamping the part to flip it
over to use the other reference face for the second pair of mortises.
8 sets if 4 mortises cut and only two needed tweeking. The
tweeking was required because two of the part - green pressure
treated 2x4s were slightly bowed so the "knife edge" of their
mortises weren't square to the face of the boards. Because the
DOMINO was referencing off that "knife edge" the resulting mortises
were off by maybe 1/32nd of an inch - enough to make the joint
not line up. A pass or two with a file on the knife edge and 30
seconds
to recut the erroneous mortises and things fit.

Did I mention that the parts were 7' and 5'6" long? Imagine doing
the same mortises with even the Leigh FMT or MultiRouter - mortises
in end grain, on a mitered face - of a 7 foot long part.

I guess I gave the impression that the DOMINO could ONLY USE
the "presets". Actually, the fence range is 5mm to 30mm from
fence to mortise centerline using the provided scale on the DOMINO
So, as long as your part is thicker than 2.362" (2x30mm/25.4mm/inch)
you can center the mortise on stock anywhere from .394" to 2.362"

Regarding doing a pair of mortises, one centered on a 2" leg and the
other centered on a 1" apron - no big deal. Use the fence to mortise
centerline scale and set it between 25 and 26mm for the mortise
centered on the 2" leg and between 12 and 13mm for the 1" apron.

The DOMINO is an elegantly simple tool once you understand the
parameters you can use, what they do and how to do it. The
metric conversion to the more familiar imperial system muddles
the the water a bit and my shortcomings in communicating what
makes the DOMINO such a significant addition to the wodworking
tools and machines arsenal shouldn't muddle the waters further.

charlie b
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Default Festool DOMINO - doubling mortises in 2x4s

"charlieb" wrote in message

Did I mention that the parts were 7' and 5'6" long? Imagine doing
the same mortises with even the Leigh FMT or MultiRouter - mortises
in end grain, on a mitered face - of a 7 foot long part.


No way the M-R could have been done the double mortises that quickly. If I
viewed it correctly, it would take two separate, but easy, setups to cut the
32 mortises in four joints with the M-R.

Then again, with the M-R, you might not have needed to do double mortises,
as single deeper mortise would give you more glue area. (Yeah, I know ...
that wasn't in the job description. )

As to the work piece length issue ... I have easily angled mortises in end
grain on 6' stock and it would not be a big deal to do longer/heavier with a
bit of extra support, by hand or by outfeed stand. The M-R is heavy, +90lb,
further bolted to a stout stand, and a 2 x 4 clamped to the table with those
mondo clamps the M-R uses "ain't going nowhere".

Strictly in the druthers department, and looking at your shots on abpw,
there does not appear to be as much mortise depth as I would prefer for the
stated application, but perhaps that's just me.

With the M-R, a 2" long mortise, 2" deep, would appear to give a stronger
joint on this project, and the setup and cutting of a single mortise would
only take as long as it does to route the mortise with an endmill, less than
a minute or so.

That said, the Domino is indeed impressive for its speed, price and
versatility and about the only thing I could conceivably fault it on, not
having used one yet, is it is perhaps a bit shallow on mortise depth for
some applications.

Thanks for the continuing information.

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Default Festool DOMINO - doubling mortises in 2x4s

Swingman wrote:

As to the work piece length issue ... I have easily angled mortises in end
grain on 6' stock and it would not be a big deal to do longer/heavier with a
bit of extra support, by hand or by outfeed stand. The M-R is heavy, +90lb,
further bolted to a stout stand, and a 2 x 4 clamped to the table with those
mondo clamps the M-R uses "ain't going nowhere".


NO doubt the MultiRouter is a slick tool and on the Wish List for
anyone
who has ever seen one and what it can do. It's range of capabilites
far
exceeds those of the DOMINO - at three or more times the price and
10s of times more weight. The beauty of the DOMINO is the furniture
sized M&T joinery it provides - in your hand, all 7 pounds of it.

Strictly in the druthers department, and looking at your shots on abpw,
there does not appear to be as much mortise depth as I would prefer for the
stated application, but perhaps that's just me.


The mortise depth is limited to about 28mm - about 1 1/8" - in each
mortise. And the loose tenon thickness is maxed at 10mm or about
0.40"

With the M-R, a 2" long mortise, 2" deep, would appear to give a stronger
joint on this project, and the setup and cutting of a single mortise would
only take as long as it does to route the mortise with an endmill, less than
a minute or so.


For that sized stuff I use the horizontal boring/mortising function
of my Rbland X31. Can go as deep as 4" with 3/4" its mortising bit.
Great for entry doors and bigger stuff.

I guess you missed the "no layout lines, no centering, no stops to
set"
advantage of the DOMINO

That said, the Domino is indeed impressive for its speed, price and
versatility and about the only thing I could conceivably fault it on, not
having used one yet, is it is perhaps a bit shallow on mortise depth for
some applications.


Only God is Perfect.

Thanks for the continuing information.


No problem.

charlie b
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Default Festool DOMINO - doubling mortises in 2x4s

"charlieb" wrote in message

I guess you missed the "no layout lines, no centering, no stops to
set" advantage of the DOMINO


Nope ... been reading every word of your reviews, and yes, the M-R must be
set up with "stops" on three axis' before you can buffle off to shuffaloe.

I wish all this comparison/analysis would have been this readily available a
year or so ago when I was casting around mightly for solutions to compound
angled joinery for chair making. Being familiar with the use of the M-R, I
hope you don't mind me bringing some of that experience into the discussion,
strictly for comparative purposes.

That said, the Domino is indeed impressive for its speed, price and
versatility and about the only thing I could conceivably fault it on,

not
having used one yet, is it is perhaps a bit shallow on mortise depth for
some applications.


Only God is Perfect.


Shhhh! ...

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Last update: 2/20/07
KarlC@ (the obvious)


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Default Festool DOMINO - doubling mortises in 2x4s

Swingman wrote:

I wish all this comparison/analysis would have been this readily available a
year or so ago when I was casting around mightly for solutions to compound
angled joinery for chair making. Being familiar with the use of the M-R, I
hope you don't mind me bringing some of that experience into the discussion,
strictly for comparative purposes.


With woodworking magazine "reviews" of stuff becoming more and more
like a Product Announcement rather than a review of the strengths and
weakness of the tool or machine or jig, prefereably with a comparison
with competing products, user reviews can provide info that they used
to provide. So, as a MultiRouter user, your comparisons of
capabilities
and what it takes to use them is great.

BTW - there's a slick chairmaker's trick for mortising back legs
of chairs in the Festool Owners Group (FOG). I've asked the guy
who posted his method and pics showing it if I can e-mail the stuff
to you. Hopefully he'll get back to me in a day or so.

Slick, simple and fast.

charlie b


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Default Festool DOMINO - doubling mortises in 2x4s


"charlieb" wrote in message

BTW - there's a slick chairmaker's trick for mortising back legs
of chairs in the Festool Owners Group (FOG). I've asked the guy
who posted his method and pics showing it if I can e-mail the stuff
to you. Hopefully he'll get back to me in a day or so.

Slick, simple and fast.


Three words I love ... if can, that would be much appreciated.

Thanks ...


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Last update: 2/20/07
KarlC@ (the obvious)


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Default Festool DOMINO - doubling mortises in 2x4s

Never go out with women that have those qualities.


Swingman wrote:

"charlieb" wrote in message


Slick, simple and fast.



Three words I love ... if can, that would be much appreciated.

Thanks ...


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