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The Ridgewing Essays

A collection by Tim White, written in early 2017

These Ridgewing technical essays are not in any particular subject matter order. They represent what was on the mind of the writer on the particular date cited between January and June 2017. This was two years after the end of the fabrication of the first suite of seven Ridgewing guitar prototypes.

The idea for each essay was to focus on and document some particular facet of the Ridgewing guitar with enough technical detail and depth to allow a would-be Ridgewing Maker to duplicate or improve upon the design. There is presented an accumulation of self-taught CAD, writing and technical documentation skills that one thinking of entering the guitar world would do well to acquire as soon as possible.

All pictures were taken in the Ridgewing shop or marketing events such as South-by-Southwest in May 2015, where the Ridgewing made its public debut. Photo renderings are from Solidworks models of the various Ridgewing components. All images are Copyright © 2017 by Ridgewing, Inc. of New Boston, NH.

- Tim White

Results

Daughter Hattie White with an early carbon fiber grill. Circa 2000.

December 1, 2019

Origins (preface)

Ridgewing Serial #3 in attaché case
Ridgewing Serial #3 in attaché case

January 4, 2017

Ridgewing Serial #3 in Attaché Case

Ridgewing Serial #3 in attaché case
The Woman in the Guitar

January 5, 2017

The Woman in the Guitar

Ridgewing Serial #3 in attaché case
End-on exploded view of the Ridgewing guitar, resembling a Klingon warship

January 6, 2017

Klingon Ridgewing

Ridgewing Serial #3 in attaché case
Transparent view of the headstock lever mechanism

January 7, 2017

The Headstock Lever Mechanism

Ridgewing Serial #3 in attaché case
Tools for making Ridgewing-compatible guitar components

January 8, 2017

Making Ridgewing-Compatible Guitar Components

Ridgewing Serial #3 in attaché case
The Ridgewing modular electronic bridge

January 9, 2017

The Ridgewing Modular Electronic Bridge

Ridgewing Serial #3 in attaché case
New life for a lock-picked tool box

January 10, 2017

New Life for a Lock-Picked Tool Box

Ridgewing Serial #3 in attaché case
3D-printed back shells

January 11, 2017

3D Printed Back Shells

Ridgewing Serial #3 in attaché case
First solid aluminum frames

January 12, 2017

First Solid Aluminum Frames

Ridgewing Serial #3 in attaché case
 Les-Paul-sized guitar in a violin-sized case

January 13, 2017

A Les-Paul-Sized Guitar in a Violin-Sized Case

Ridgewing Serial #3 in attaché case
Making carbon fiber frames

January 14, 2017

Making Carbon Fiber Frames

Ridgewing Serial #3 in attaché case
3D-Scan of Ridgewing grill

January 15, 2017

3D-Scan Digitizing the Grill Model

Ridgewing Serial #3 in attaché case
Ridgewing Prototype #1 – First Light – December 2014

January 16, 2017

Ridgewing Prototype #1 – First Light – December 2014

Ridgewing Serial #3 in attaché case
Mosiac of guitars and players over the ages

January 17, 2017

Ancient Guitar Shamanism

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Ridgewing guitar shown with minimalist camo case

January 18, 2017

Off to War

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Model of new grill design following "buggered" CAD rebuild

January 19, 2017

Lost in Grill Space

Ridgewing Serial #3 in attaché case
Ridgewing string retainer bar

January 20, 2017

The Joy of 3D Printing Metal Parts

Ridgewing Serial #3 in attaché case
Finishing the curing process with heating/cooling cycles

January 21, 2017

Don’t Tell the Cook

Ridgewing Serial #3 in attaché case
Fabrication of grills using an older mold

January 22, 2017

When Grill Molds get Old

Ridgewing Serial #3 in attaché case
The original Ridgewing/Chrysalis guitar - pure acoustic

January 23, 2017

The Original Ridgewing/Chrysalis Guitar - Pure Acoustic

Ridgewing Serial #3 in attaché case
Scan of a Dragonfly's Wing showing the Tendril Layout

January 24, 2017

A Most Perfect Structure

Ridgewing Serial #3 in attaché case
Ridgewing First Edition guitar rendering

January 25, 2017

Ridgewing First Edition Guitar Rendering

Ridgewing Serial #3 in attaché case
Fixing Grill Designs - Adding a Tendril

January 26, 2017

Fixing Grill Designs

Ridgewing Serial #3 in attaché case
Norm the Cat – Ridgewing’s Spirit Totem

January 27, 2017

Norm the Cat – Ridgewing’s Spirit Totem

Ridgewing Serial #3 in attaché case
Checking the battery status of the Ridgewing electronics package

January 28, 2017

Making Bridge Electronics Interchangeable

Ridgewing Serial #3 in attaché case
Gold-plated Ridgewing grills

January 29, 2017

Going to Heaven with Gold-Plated Grills

Ridgewing Serial #3 in attaché case
View out the north window

January 30, 2017

View Out the North Window

Ridgewing Serial #3 in attaché case
Knotty pine body halves shown with connecting magnets and round-head nuts for alignment

January 31, 2017

Don’t Need no Stinkin’ Carbon Fiber

Ridgewing Serial #3 in attaché case
Chrysalis guitar body frames and grills under winter morning light

February 1, 2017

Winter Morning Light

Ridgewing Serial #3 in attaché case
Harvey Reid adjusts the neck angle while playing

February 2, 2017

Setting the Neck Angle While Playing

Ridgewing Serial #3 in attaché case
Headstock mold

February 3, 2017

Making Molds

Ridgewing Serial #3 in attaché case
Ridgewing shop panorama, December 2014

February 4, 2017

Ridgewing Shop Panorama December 2014

Ridgewing Serial #3 in attaché case
Tim White at guitar repair workshop, circa 1977

February 5, 2017

Journeyman Guitarmaker - When Life Was Simple

Ridgewing Serial #3 in attaché case
The Ridgewing Prototype Gang

February 6, 2017

The Ridgewing Prototype Gang

Ridgewing Serial #3 in attaché case
Dragonfly inlay on Ridgewing headstock

February 7, 2017

How the Pearly Gates Got Their Name

Ridgewing Serial #3 in attaché case
Ridgewing leather case shown next to a typical case

February 8, 2017

Leather Case Magic

Ridgewing Serial #3 in attaché case
Headstock lever

February 9, 2017

Ridgewing’s Magic Wand - The Headstock Lever

Ridgewing Serial #3 in attaché case
Curious oven, perhaps to dry out a cell phone?

February 10, 2017

What Could Go Wrong?

Ridgewing Serial #3 in attaché case
Making a carbon-fiber grill

February 11, 2017

Making a Carbon-Fiber Grill

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The Amazing “Q”

February 12, 2017

The Amazing “Q”

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Camo Ridgewing case at home

February 13, 2017

Home

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Harvey Reid’s mandocello kit

February 14, 2017

Harvey Reid’s Mandocello Kit

Ridgewing Serial #3 in attaché case
The Self-Tuning headstock with side-mounted cam

February 15, 2017

The Self-Tuning Headstock

Ridgewing Serial #3 in attaché case
Opening the mold - brand new bass frame

February 16, 2017

Opening the Mold

Ridgewing Serial #3 in attaché case
Pizza with garden grown vegetables and blueberries

February 17, 2017

If Guitars Were Pizza

Ridgewing Serial #3 in attaché case
Ridgewing bridges and translucent covers

February 18, 2017

Sweet Little Bridge Covers

Ridgewing Serial #3 in attaché case
Q (Scott Lumsden) tests the open pre-amp

February 19, 2017

Open Pre-Amp in Action

Ridgewing Serial #3 in attaché case
Ridgewing pickguard acrylic sheets in various colors

February 20, 2017

Ridgewing Pickguard – Pick a Color

Ridgewing Serial #3 in attaché case
Nate Burnell and Scott Lumsden

February 21, 2017

Ridgewing Maker : Nate Burnell

Ridgewing Serial #3 in attaché case
Ridgewing First Edition grill design

February 22, 2017

A Peek Inside the Kimono - the Ridgewing First Edition Grill Design

Ridgewing Serial #3 in attaché case
Andromeda galaxy

February 23, 2017

Look Up From Your Workbench

Ridgewing Serial #3 in attaché case
Headstock mounting pins and cam

February 24, 2017

Headstock – Business End

Ridgewing Serial #3 in attaché case
Tim White with a Texas law enforcement officer holding the aluminum-body Ridgewing guitar

February 25, 2017

Texas Law Enforcement – Ridgewing Style

Ridgewing Serial #3 in attaché case
Ridgewing headstock with Tronical tuner and side-mounted cam lever

February 26, 2017

Tired of Tuning Your Guitar? No Prob…

Ridgewing Serial #3 in attaché case
The Ridgewing shop in winter. A shop vac system is seen, protected inside a cardboard box.

February 27, 2017

Air Conditioning, New Hampshire Style

Ridgewing Serial #3 in attaché case
Ridgewing guitar body frame drill jig

February 28, 2017

Don’t Need No Stinkin’ CNC

Ridgewing Serial #3 in attaché case
Ridgewing neighbor and master seamstress Pat Barss

March 1, 2017

Sewing the Light Fantastic - Ridgewing Neighbor and Master Seamstress Pat Barss

Ridgewing Serial #3 in attaché case
Silicone mold with glue chisel

March 2, 2017

Treble Mold Box Detail

Ridgewing Serial #3 in attaché case
Laying out the Ridgewing components on the foam like a big puzzle.

March 3, 2017

Making a Case

Ridgewing Serial #3 in attaché case
Ridgewing’s first self-tuning headstock

March 4, 2017

Ridgewing’s First Self-Tuning Headstock

Ridgewing Serial #3 in attaché case
Aluminum Ridgewing body frames made using an investment casting process

March 5, 2017

Radical Guitarmaking

Ridgewing Serial #3 in attaché case
1950s era picture of acceleration effects of the human body

March 6, 2017

That Escalated Quickly!

Ridgewing Serial #3 in attaché case
The first “poster” image of the Chrysalis guitar re-imagined as an electric

March 7, 2017

The Devil’s Popcorn Popper

Ridgewing Serial #3 in attaché case
Serial #1 Ridgewing bridge

March 8, 2017

Essence of Bridge

Ridgewing Serial #3 in attaché case
Ridgewing guitar brain 1.0

March 9, 2017

Ridgewing Guitar Brain 1.0

Ridgewing Serial #3 in attaché case
The first Ridgewing guitar (Serial #1) is done and packed

March 10, 2017

Ready to Ship Dec 2014

Ridgewing Serial #3 in attaché case
The “arm pit” of a Ridgewing guitar frame

March 11, 2017

Carbon Fiber Arm Pit

Ridgewing Serial #3 in attaché case
Ridgewing Serial #3 bridge charging in the case

March 12, 2017

#3 Bridge Charging in the Case

Ridgewing Serial #3 in attaché case
Polishing the self-tuning headstock push rod

March 13, 2017

Polishing the Self-Tuning Headstock Push Rod

Ridgewing Serial #3 in attaché case
Ridgewing Serial #2 – gold on blue

March 14, 2017

Ridgewing Serial #2 – Gold on Blue

Ridgewing Serial #3 in attaché case
Ridgewing neck being molded

March 15, 2017

Casting a Phone Spell

Ridgewing Serial #3 in attaché case
Aluminum, rosewood, and carbon fiber guitar

March 16, 2017

Aluminum, Rosewood, Carbon Fiber

Ridgewing Serial #3 in attaché case
A recently finished wooden Ridgewing neck dries outdoors

March 17, 2017

Don’t Need No Stinkin’ Spray Booth

Ridgewing Serial #3 in attaché case
Installing a Tronical tuner on a Ridgewing headstock

March 18, 2017

Self-Tuning Simplicity

Ridgewing Serial #3 in attaché case
Ridgewing serial #4 titanium saddle

March 19, 2017

Titanium Saddle

Ridgewing Serial #3 in attaché case
Ridgewing with grills replaced by a set of three inserts made from Sitka spruce and Indian rosewood

March 20, 2017

The Woodie

Ridgewing Serial #3 in attaché case
New Hampshire Best of Business Award - Ridgewing Guitar - All-Around Coolest Product - 2016

March 21, 2017

New Hampshire’s Coolest

Ridgewing Serial #3 in attaché case
Prototype Klingon Warship Being Re-Fueled

March 22, 2017

Prototype Klingon Warship Being Re-Fueled

Ridgewing Serial #3 in attaché case
Aluminum bass frame with carbon fiber treble frame

March 23, 2017

Mixed-Up Guitars

Ridgewing Serial #3 in attaché case
The neck makes contact with the guitar body at three adjustable hard points, the large set screw near the end of the neck and the two gold-colored parts under the 14th fret called “noogies.

March 24, 2017

Key Features of a Ridgewing-Compatible Neck

Ridgewing Serial #3 in attaché case
Blue grills over blue fabric

March 25, 2017

Blue on Blue

Ridgewing Serial #3 in attaché case
Hangers with attached brass counterbalances

March 26, 2017

Counterbalance

Ridgewing Serial #3 in attaché case
Chrysalis guitar edge-on with and without the acoustic body inflated

March 27, 2017

So, An Inflatable Guitar You Say

Ridgewing Serial #3 in attaché case
Making a solid wood insert

March 28, 2017

Making a Solid Wood Insert

Ridgewing Serial #3 in attaché case
Ridgewing grills outdoors

March 29, 2017

Runaway Grills

Ridgewing Serial #3 in attaché case
Molding day in the shop and a broken headstock

March 30, 2017

Molding Day in the Shop, and a Broken Headstock

Ridgewing Serial #3 in attaché case
A ruler is being used to verify the dimensions on a CAD drawing printed out from an office printer to a precision 1/100 inch

March 31, 2017

The Ruler of the Shop

Ridgewing Serial #3 in attaché case
Ridgewing Serial #7

April 1, 2017

Lucky Number Seven

Ridgewing Serial #3 in attaché case
The Ridgewing dragonfly mascot

April 2, 2017

The Ridgewing Dragonfly Mascot

Ridgewing Serial #3 in attaché case
Black-on-black Ridgewing frames with clear pickguard

April 3, 2017

An Interesting Guitar Family

Ridgewing Serial #3 in attaché case
Old tray storage bin

April 4, 2017

Old Friend

Ridgewing Serial #3 in attaché case
A guitar is shown above a A-440 Hz waveform

April 5, 2017

Seeing Wavelengths

Ridgewing Serial #3 in attaché case
Broken hook on bridge is repaired with four steel pins

April 6, 2017

Bridge Hook Repair

Ridgewing Serial #3 in attaché case
Rigdewing guitar shown in open case seated upon a second closed case

April 7, 2017

Have Guitar, Will Travel

Ridgewing Serial #3 in attaché case
Aluminum bass and treble frames freshly manufactured and assembled

April 8, 2017

Aluminum Beauties

Ridgewing Serial #3 in attaché case
Nate cleaning up a fresh new grill

April 9, 2017

Nate Cleaning up a Fresh New Grill

Ridgewing Serial #3 in attaché case
Shop bench with a Chrysalis guitar next to several older prototype guitars

April 10, 2017

WMUR Visits the Shop, January 2013

Ridgewing Serial #3 in attaché case
Advertisement: Become a Ridgewing Maker

April 11, 2017

Become a Ridgewing Maker

Ridgewing Serial #3 in attaché case
CAD rendering of a neck pocket drill guide shown inserted in neck pocket

April 12, 2017

SECRET RIDGEWING MAKER DOCUMENTS LEAKED !!

Ridgewing Serial #3 in attaché case
Bottom drawer of the shop’s big roll-around mechanic’s bench (full of screw-ups)

April 13, 2017

The Bottom Drawer

Ridgewing Serial #3 in attaché case
Ken Butler, Genius Instrument Maker & Innovator

April 14, 2017

Maker, Ken Butler of Brooklyn, NY, with his guitar creations at Makerfaire in San Mateo, CA, in 2013

Ridgewing Serial #3 in attaché case
Indian rosewood inlayed fretboard by Bruce Wei Guitars

April 15, 2017

Inlay Confession

Ridgewing Serial #3 in attaché case
Classic Dreadnought guitar

April 16, 2017

Toward a More Perfect Dreadnought

Ridgewing Serial #3 in attaché case
Newspaper article describing a man impaled in the chest by an 8-ft long board kicked back by a ripsaw

April 17, 2017

There is no Mistake. There is Only Disobedience” – Gene Clark

Ridgewing Serial #3 in attaché case
Ridgewing guitar in its leather case is shown inside a regular hard-shell case

April 18, 2017

The Well-Heeled Hobo’s Travel Kit

Ridgewing Serial #3 in attaché case
First drawing that Tim ever made of the pre-Ridgewing Chrysalis Guitar, Jan 24, 1984

April 19, 2017

Chrysalis Guitar First Drawings - January 1984

Ridgewing Serial #3 in attaché case
Die-cast magnesium frame and grille for the First-Edition Ridgewing guitar

April 20, 2017

Die Cast Frame and Grill

Ridgewing Serial #3 in attaché case
Transparent wireframe rendering of an assembled Ridgewing guitar

April 21, 2017

Wireframe

Ridgewing Serial #3 in attaché case
U.S. Patent 4,573,391 - Inflatable Knock-Down Guitar, March 4, 1986

April 22, 2017

U.S. Patent 4,573,391 - 1986, Inflatable Knock-Down Guitar

Ridgewing Serial #3 in attaché case
U.S. Patent 6,188,005 - Grillwork Soundboard Patent, February 13, 2001

April 23, 2017

U.S. Patent 6,188,005 B1 - 2001, Grillwork Soundboard

Ridgewing Serial #3 in attaché case
U.S. Patent 5,945,614 - Modular Guitar System, August 31, 1999

April 24, 2017

U.S. Patent 5,945,614 - 1999, Modular Guitar System

Ridgewing Serial #3 in attaché case
Design cross-section of a hollow Ridgewing guitar body

April 25, 2017

Design for Ultralight Carbon Fiber Frames

Ridgewing Serial #3 in attaché case
Bass frame/grill hole pattern

April 26, 2017

Makers, Start Your Engines

Ridgewing Serial #3 in attaché case
Exploded view of Ridgewing headstock

April 27, 2017

Ridgewing Makers! Headstock Secrets Revealed!

Ridgewing Serial #3 in attaché case
Ridgewing bridge skeleton

April 28, 2017

E Z Make-a-Bridge

Ridgewing Serial #3 in attaché case
Laser profilometry images show the top and bottom of an acoustic guitar excited with a pure tone at 390 Hz and 460 Hz

April 29, 2017

Early Holographic Imaging of Guitar Resonances

Ridgewing Serial #3 in attaché case
'Ridgewing version' of a disassembled full-size Precision Bass

April 30, 2017

How to Minimalize a Full-Size P-Bass

Ridgewing Serial #3 in attaché case
Whiteboard after a renaming brainstorming session on March 16, 2014

May 1, 2017

Ridgewing Gets a Name – March 16 2014

Ridgewing Serial #3 in attaché case
Simulated guitar string anchored by carbon fiber glued to glass

May 2, 2017

What the heck is he doing now?

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Grandchild seated in guitar case

May 3, 2017

Grandchildren brought up properly don’t need chairs or beds

Ridgewing Serial #3 in attaché case
First prototype of the bridge electronics

May 4, 2017

Every journey starts with a single step. Q.

Ridgewing Serial #3 in attaché case
Ridgewing booth backdrop is readied for South-by-Southwest (SBSW)

May 5, 2017

First Look at Booth Graphic for South-by-Southwest March 2015

Ridgewing Serial #3 in attaché case
Oilite metal insert used in the string tensioning cam lever

May 6, 2017

Hand-Carving Oilite Insert for Self-Tuning Headstock Lever

Ridgewing Serial #3 in attaché case
A blue fabric back is shown behind a partially assembled body

May 7, 2017

Trying on a new outfit for the evening

Ridgewing Serial #3 in attaché case
A hydroponic syringe is used to inject the mixed and de-gassed epoxy into the bridge mold

May 8, 2017

Filling the Bridge Mold

Ridgewing Serial #3 in attaché case
Headstock’s view of a Ridgewing body, with the original Chrysalis grill design on the left treble side, and the new Ridgewing metal grillwork design on the right

May 9, 2017

Grill v. Grill

Ridgewing Serial #3 in attaché case
The black epoxy matrix molded around the carbon fiber perimeter strips has cracked on Harvey Reid's mandocello guitar under the much higher stress of the eight heavy strings

May 10, 2017

Harvey Reid’s Chrysalis Mandocello, revisited

Ridgewing Serial #3 in attaché case
The 3-point neck attachment system

May 11, 2017

Designing a New Noogie

Ridgewing Serial #3 in attaché case
Rear view of the frame body showing the twenty-eight attachment points around the perimeter

May 12, 2017

Hangers On

Ridgewing Serial #3 in attaché case
Chrysalis guitar at the assembled stage of the demonstration video

May 13, 2017

Getting Ready to Take the Video – December 15 2012

Ridgewing Serial #3 in attaché case
Iterating the travel case component layout

May 14, 2017

Planning the Travel Kit

Ridgewing Serial #3 in attaché case
Neck for Ridgewing prototype #2

May 15, 2017

Side Dots for Valerie’s #2 Ridgewing

Ridgewing Serial #3 in attaché case
Scott Lumsden adjusting Ridgewing Prototype, Serial #1

May 16, 2017

Tone-Meister Scott in His Element

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Jay Darrow putting the finishing touches on the bass frame of Ridgewing Serial #2

May 17, 2017

Filling Bubbles

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A Ridgewing guitar with prototype light show installed. This still-frame image was taken as a bright line of white circling LEDs reached the 10 o'clock position.

May 18, 2017

Prototype Light Show

Ridgewing Serial #3 in attaché case
Making a mold for the self-tuning headstock

May 19, 2017

Making a Mold for the Self-Tuning Headstock

Ridgewing Serial #3 in attaché case
Neck cap assembly that goes on the headstock end of a Ridgewing-compatible neck allowing it to attach to a Ridgewing-compatible headstock

May 20, 2017

Neck Cap Assembly

Ridgewing Serial #3 in attaché case
Blue tape covers the inlay for final fretwork on Ridgewing Serial #1

May 21, 2017

Ridgewing #1 – Almost Done

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Nate is stacking and interweaving unidirectional carbon-fiber strips in the mold.

May 22, 2017

Weaving a Treble Frame

Ridgewing Serial #3 in attaché case
Ridgewing vs. Voyage-Air at NAMM

May 23, 2017

Ridgewing vs. Voyage-Air at NAMM

Ridgewing Serial #3 in attaché case
Just a last little dab of Bondo on a carbon-fiber frame to sand out and paint when it hardens

May 24, 2017

Lookin’ Pretty

Ridgewing Serial #3 in attaché case
3D-printed noogies are the hard points at the body end of the neck where the string tension and vibrational energy of the string’s motion is passed into the guitar’s body

May 25, 2017

3D-Printed “Pivot Dowels” a/k/a/ “Noogies”

Ridgewing Serial #3 in attaché case
Attaching the stainless steel frame-joining bracket to the inside face of the treble frame

May 26, 2017

Installing the Frame Joining Bracket

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Tightening the last of thirty-five screws that hold the Ridgewing body together

May 27, 2017

That Sweet Moment - Turning the Last Screw

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November 3, 2014 – Time to organize the shop

May 28, 2017

Shop Re-Org Day

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Experimenting with bridge electronics with a Chrysalis guitar

May 29, 2017

Experimenting With Bridge Electronics

Ridgewing Serial #3 in attaché case
Ridgewing #1 frames fresh out of the mold shown with neck, fret board and headstock

May 30, 2017

Ridgewing #1 Coming Together

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This mold makes all of the parts of a headstock in a single operation, including molding in the headstock dowels.

May 31, 2017

Headstock Mold

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Turning the final pickguard screw on a Ridgewing guitar

June 1, 2017

Near the End

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Classic Ridgewing body with chrysalis grills

June 2, 2017

Classic Ridgewing Body with Chrysalis Grills

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Bring Daughter and Granddaughter to Work Day

June 3, 2017

Bring Daughter and Granddaughter to Work Day

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Self-tuning carbon-fiber headstock with ebony veneer

June 4, 2017

Self-Tuning Carbon-Fiber Headstock with Ebony Veneer

Ridgewing Serial #3 in attaché case
Ridgewing webmaster, Akiji

June 4, 2017

Akiji is the MAN

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Ridgewing bridge electronics module

June 5, 2017

The Ridgewing Bridge Electronics

Ridgewing Serial #3 in attaché case
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