Grid tiles

If you draw a guitar with a grid in the background, you can scale it as needed without changing the proportions of the guitar.

The navigator uses a fine centimeter grid in the background, which is supplemented by a decimeter grid "tiles" with position numbers.

The purpose of these large numbered tiles is to help speed orientation when comparing the details of different types of guitars, whether it's designing new shapes or discussing the location of the hardware, etc.

The tiles should structure the overall picture in order to be able to assign the details quickly and reliably.


Tiles in action

What happens if we replace the tiles no. 5,6,17 and 18 of the Telecaster with the corresponding tiles of the Mockingbird?

Chapter 9 (pp. 176-186) of the book "E-Guitar Navigator" explains in detail the analysis of the positions in tiles and combination examples. There are also many tile diagrams in the text and individual tile contents are compared with each other in the grid.


MNG and MSG checkpoints area

When playing the guitar while sitting, the position of the MSG point on the body outline plays a big role. The MNG point above complements it more for appearance, often symmetrically.

In the picture we see these (blue) dots for the most famous models of electric guitars.

MSG points are usually located in the boundaries of tiles No. 14 and 15. Only MSG for Les Paul and PRS deviate to tile No. 16.

The MNG points lie predominantly in tiles No. 6 and 7, and the record is held by MNG of the Eplorer, reaching relatively deep into tile No. 1.

When designing the shape of the guitar, it is therefore possible to recommend X-positions for MSG / MNG near X = 100 mm to the right of the scale line.

A G P checkpoints area

AGP checkpoints for guitars lie on the X-axis at the interface of tiles No. 10_26 and No. 11_ 27. For bass guitars, AGP usually lies between tiles No. 2 and 3, exceptionally also between tiles No. 10 and 11.

The position of the AGP point is ignored in the specifications, although it is the one that directly affects the ergonomics and comfort of holding the guitar while playing.

When designing the connection of the neck to the contour of the body of a guitar or bass guitar, the position of the AGP determines the availability of the fingers of the left hand in the highest positions. This directly affects the required depth of the CWU cutaway.

The strap button on the right hand side of the guitarist is usually in the same position (GPW = AGP) and thus the -X  AGP value also directly affects the balance of the instrument on the strap.

In the area of the small finger

The "Volume" knob for total volume control is mostly used only in the "Silent" or "Full" positions.

Jeff Beck or Steve Morse, for example, use finer options  to directly adjust the sound by changing the Volume dial before the tone is applied and then amplifying the fading tone.

It is also possible to dose the amp distortion by turning the Volume knob directly on the guitar.

Guitars (Fender Strat, Ibanez, PRS, etc.) that have the Volume knob within reach of the little finger of the right hand (tile # 4, center) are ideal for modulating the signal in this way.

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