19
19
1
2
3
Garbage In — Garbage Out
This adage of the computer age stands equally true for dovetail joinery.
5-1
Accurate and perfectly aligned joints require stock that is
straight, flat, even thickness and equal widths, with square ends
and edges.
Note: Plywood is generally unsuitable for routing
because of tearout problems.
5-2 You will want to test the jig, so prepare boards of suitable
size for the required joint type and size. Use them for practice
with the jig’s various joint modes so you can see how the different
modes work.
Note: Two boards of different thicknesses can be
joined as easily as one thickness.
RTJ400 OPERATION
CHAPTER 5
Wood Preparation
5-3
Dovetail joints are intended for joining end-grain
to end-grain
1
. Dovetails in side-grain
2
do not work because the
wood will tear out badly when routing and the pins and tails would
easily break off
3
, either during or soon after the assembly when
the boards start expanding or contracting at different rates.
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