GRR-Ripper
 

 

What is the GRR-Ripper® System?

The GRR-Ripper® System is a revolutionary precision woodworking hand pushing tool composed of different adjustable/detachable components that is used on the table saw, router table, shaper, jointer and band saw.  The tool utilizes multiple grooved non-slip pads to provide strong gripping and holding power for feeding a work piece through the cutting elements.  In the following gallery, click on each thumbnail to enlarge that graphic.

It is a push block for the table saw that feeds both sides of your stock without using your bare hands.

It is a push stick that rips as narrow as 1/4" (6.35mm) with balanced pressures to prevent burning and kick back at all times.

It is a hold down that replaces multiple feather boards during use.

It is a splitter that keeps both sides of your stock absolutely parallel to saw blade (regardless of changing between any thickness of saw kerfs) throughout the entire cutting process.

It is a safety guard – the saw blade passes through a “tunnel." It is a blade guard that the user holds, rather than a blade guard that is affixed to the back of the table saw, or one that hovers above it.

It is a tool (Model GR-200) that can be customized for edge jointing on the table saw with a perfect straight edge in one single pass.

It is a tool that can be configured for resawing on the table saw for narrow stock with repeatable accuracy without sanding.

It is a tool (Model GR-200) that can be customized for repeated cross-cutting of small pieces on the table saw without fence/stop adjustment.

Use it as a custom jig for router bits that do not have a pilot bearing (such as a bull nose bit) to obtain the full profile without snipe.

Use it as a custom jig for router bits that do not have a pilot bearing (such as a bull nose bit) to obtain the full profile without snipe.

Use it as a navigator to contour irregularly-shaped pieces when pattern routing.

The elimination of bare-hand feeding makes it the safest tool for manual feeding, with total protection for ALL of your fingers.

Fully customizable for different cutting requirements.
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It opens up a whole world of possibilities; it is a dream tool for those who like to build precision shop jigs.

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It permits you to achieve intricate cuts that were only possible before after hours of contemplation and jury rigging.

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Realize a tremendous savings on stock material cost by using narrower stock to start a project, and put much smaller pieces into your cut-off bin.

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Saves time and costs compared to setting-up other hold down devices, splitter, etc.

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DVD 

GRR-Ripper® Instructional  video is now available in DVD (sorry, no VHS tape)
 more than 2 hours of actions   -   demonstrating over 30 different applications on 4 different machines.

Click here to see details 

What are the differences between the GRR-Ripper® System and  a regular Push Stick?  Click on the large picture below to watch a movie to find out the concept of the GRR-Ripper® System, click on the thumbnails to see enlarged images on many of its uses.

Resaw on table saw

Click on the large picture below to watch a video of the GRR-Ripper® concept and many of its uses.

 

This video is a Window Media Video. 

Download the Window Media Player for your OS.


Repeated Rips

Bevel Cut
Bull Nose Routing

Diagonal Veneer Cut
Slot Routing

Straight Cut on Irregular shaped stock
Veneering on Band Saw

Long Rip
Use on Jointer

 

Unlike a conventional push block or push stick that pushes only one side of work piece, the GRR-Ripper® controls both sides of the work piece during feeding. It is a Protective Hand Pusher System.

 

There is no comparison between them.  The GRR-Ripper® System is far superior in controlling, capability, adaptability and safety.  We have prepared a slide show to illustrate how burning and kick back occurs, and the downside of using a regular push block or push stick.  This slide show will open in a separate window and requires no special plug-in.  You do need to have your Java enabled for your browser to view our slide show presentations.

Kick Back Slide Show

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Beth and Andrea from WoodShopDemos (John Lucas web site) cutting boards with the GRR-Ripper®

Click on each picture to follow the link to the project.

 


Beth ripping long board with two GRR-Rippers
 

Beth Resawing drawer slides
 

Andrea making a difficult rabbet cut on taped up boards.

John Lucas said "I would not have tried this if I had to rely just on hand holds or the regular push shoe".
 

Using a GRR-Ripper, Andrea can make safe and exact cuts.
 

Beth feeding door panel when cutting with vertical raised panel router bit

Joslyn using the GRR-Ripper to  feed thin and narrow stock with mitered ends - difficult task for regular push shoe.

 

The GRR-Ripper® System comes in two different models, the Basic Model GR-100 and the Advanced Model GR-200.  Click on the following links to find out their differences.

Basic Model GR-100

The Basic Model GR-100 consists of six components that will perform all the multiple functionalities described above (except jointing, cross-cutting and other more involved situations).

Advanced Model GR-200

The Advanced Model GR-200 consists of eight components that has full functionalities described above and more.

Instruction Manual

Download the Instruction Manual for viewing or printing.

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Click here and check out the New MJ Handle Bridge for the GRR-Ripper®


Click here and check out the New MJ Deflector/Connector for the GRR-Ripper®

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Last modified: 04/10/07