W.A.G.W.A.D. Short Scale Fat String Bass Prototype

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Project by wallybob posted 09-05-2011 07:35 PM 2654 views 3 times favorited 3 comments Add to Favorites Watch

Haven’t posted a project in some time so here is one of my latest.

This is my take on a polyurethane string short scale bass.

Neck – Honduran Mahogany Through neck

Wings – Spalted Maple burl

Headstock veneer – Spalted Maple burl

Nut – 1 13/16

Fret Board – Rosewood

Frets – 22 Medium Jumbo

Bridge – Rosewood with Maple burl spacer

Pickup – Acoustic bass piezo

Machine heads – Hipshot custom ultralight

Strings – polyurethane

Finish – Tru Oil Still needs to be rubbed out and waxed

As you can see in the pictures the strings are extra long at the tuners. I’m still in the process of getting them to tune so I don’t want to cut them until it will stay in tune. The maker of the strings says it can take up to three weeks for the strings to stop stretching and stay in tune.

I am happy with the body shape but have to work out some design problems. For example the string spacing was supposed to be 19mm and the holes are drilled for that spacing. However, that was based on the measurement of the strings from center to center. Having never worked with the polyurethane strings I didn’t realize that they would have to be stretched so far to tune them that the string diameter was almost half when tuned.

Any design help is appreciated.

3 comments so far

View itsmic's profile


1419 posts in 3142 days

#1 posted 09-05-2011 08:05 PM

That’s a Cool Bass, Interesting write up, it amazes me how much there is to know with any given project, that is some beautiful wood and a well made Bass, thanks for sharing

-- It's Mic Keep working and sharing

View amagineer's profile


1415 posts in 2620 days

#2 posted 09-05-2011 09:44 PM

One hell-of a bass. I like the contour of the body, it makes the wood stand out. I have made a few stringed instruments, but never have I used Poly strings. I would have thought the instructions for the strings would have mentioned the diameter change. I guess we will never stop learning new techniques. Let us know how it sounds when you get it tuned.

-- Flaws are only in the eye of the artisan!

View juniorjock's profile


1930 posts in 3789 days

#3 posted 09-05-2011 10:53 PM

That’s a beautiful guitar, wally. I’d love to hear how it sounds. I’m sure the strings would make it sound great. I’ve been around guitars just about all my life, but I admit, I had to look up the info about the piezo pickup. Be nice….. I’m old. I understand that it is in the bottom bridge. I’m not real sure if I’m able to see it or not. Great project… Thanks for sharing.

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