February 8, 2012

Through Dovetails on the Leigh D4R Pro

 

It is no secret I like working with high quality jigs to make joinery. In the shop I have the Leigh D4R Pro, the older D4, and more recently I have been using the new R9Plus.

More than a few readers have written to me asking whether buying the R9Plus would mean giving up much capability, in exchange for a lower price. My reply is always that we never have easy compromises; yes, we do give up flexibility in joint design. For example, the D4R Pro gives just about everything we want in a dovetail and finger joint jig. You can read all about the D4R Pro features here.

I received the latest video on the flagship D4R Pro from Leigh:

 

 

This is perfect timing, because Leigh is offering FREE shipping during the holidays, on ANY order over $50. This alone will save you a chunk of change.

Disclosure: Leigh sends me equipment and accessories from time to time, for testing and evaluation purposes. I am not paid by Leigh for publishing about their products on my blog; and I am not paid for through clicks to the Leigh web site, so please feel to click on the banner at the top of the page, to visit the Leigh holiday Gift Guide page.

 

Al Navas

 

 

 

All holidays wrapped into one at Leigh

 

I chuckled — Leigh says “We’ve got an app for that!”:

 

And why not? I bought a new smart phone (only) a few months ago, and finally learned about apps. Now even my granddaughters know that I know what an app is.

Leigh has it all set up for YOUR holidays – get YOUR app, and be happy. You will be doing joinery in your shop in no time!!!  How? Simply click on this link to go get your app.

Disclosure: Leigh sometimes sends me jigs and/or accessories for evaluation and testing.

 

Al Navas

 

 

 

Finger joints on the new R9Plus jig

 

The concept to machine finger joints using the Leigh R9Plus jig is very straight forward.

Machining finger joints

I machined 3/8-inch joinery as follows:

  • Set the side stop to the 3/8 mark.
  • Set the eBush to “5″, in preparation for a test joint.
  • The boards are placed flush under the template, and tight against the side stop.
  • Machine the fingers with the comb set on pin position 1.
  • Move the template to pin position 3, and machine the sockets on the second board.
  • Test the joint fit, and adjust the eBush to tighten or loosen the fit. The joint was loose by close to 0.013″, based on measurements of the width of the fingers, and the width of the sockets.
  • Repeat the procedure. It required only a second try to get a nice, tight fit; I simply moved the eBush to the “8″ position, making the fit tighter. Three division means 0.006″ adjustment on each board, making the joint fit by only 0.001!

Initial eBush position at “5″:

 

Final position at “8″, for great fit:

Summary

The R9Plus is an extremely versatile jig, with a low price point. It will be very attractive to woodworkers who are considering buying a new jig. The template is machined beautifully, and is very easy to set up on a beam for just about any width required for a small or a very large box.  The flexibility to machine either dovetails or finger joints is terrific; select either by simply changing router bits, and by adjusting the template position.

Disclosure: I sometimes receive jigs from Leigh for testing and evaluation.

Music: In order of play – Scott Joplin’s Maple Leaf Rag, Black Twig Pickers’ Don’t Drink Nothing, Moore and Gardner’s Chinese Blues (Gershwin piano roll), and The Breakmen’s Km19.

 

Al Navas

 

 

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