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Jaap Nerdy Gurdy Assembly Instructions Manual

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Nerdy Gurdy
This manual describes how to assemble a version 6. 2 Nerdy Gurdy kit. Go to
http s ://www.nerdygurdy.nl
Changes in v6.1
•
Dual strap pins added
•
Bridge updated to increase volume
•
Old version of drone bridge removed
•
Redundant plate removed from lid assembly
•
Tangents changed to increase tuning range
•
Front bearing support improved, to increase volume
•
Added adjustment screws to buzzing bridge supports
•
Buzzing bridges and drone supports moved backwards (mainly to make adjustment of buzzing
bridges accessible)
•
Holes in top plate removed
•
Full overhaul of the manual
•
Various small aesthetic and functional changes
Changes in v6.2
•
Removed support plates for strap pins on the outside (not needed and hard to make them look
nice)
•
Changed buzzing bridge supports to include a nut, instead of screwing directly into the plastic
Jaap Brand
The Netherlands
manual v6.2.1: fixed definition of string tuning, page 27
Nerdy Gurdy assembly instructions
Assembly instructions
for more info about these instruments.
CC BY-NC 3.0
Jaap Brand, 2021-01-08

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Summary of Contents for Jaap Nerdy Gurdy

  • Page 1 Nerdy Gurdy Assembly instructions This manual describes how to assemble a version 6. 2 Nerdy Gurdy kit. Go to http s ://www.nerdygurdy.nl for more info about these instruments. Changes in v6.1 • Dual strap pins added • Bridge updated to increase volume •...

  • Page 2: General Directions

    Please note: If you live in a very hot and/or humid climate you may need to take extra care with the type of wood glue that you use. Some glues may not be able to keep the required strength Nerdy Gurdy assembly instructions CC BY-NC 3.0...
  • Page 3 Bearing holder ring NG-7 shaft nut NG-8 Drone support bushes NG-9 strap pin NG-10 knob NG-11 Strap pin support plate (inner) NG-13 tangent high NG-15 tangent low NG-16 Semi-Finished parts wheel Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 4 The complete kit tuners NG-31 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 5 NG-7 (28x) NG-15 Shaft nut NG-8 Drone support Bush NG-9 Low tangents (20x)NG-16 Strap pins NG-10 note: the colours of the printed parts may be different in your kit Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 6 8.8 mm washers(6x) NG-25 Screws 3,5 x 20 NG-24 A strip of felt NG-26 Not included in kit You will need the following materials to build your Nerdy Gurdy (not included in the kit): • Wood glue • (retractable) knife •...
  • Page 7 • Some tools (screw drivers, 13 mm spanner, small drill etc.) • Some basic woodworking skills and patience :) Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 8 • There should be a plate thickness all around the glued-on ridge Bottom plate: Use these parts to check alignment (only use them to align, don’t glue these yet) Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 9 Top plate: Use these parts to check alignment (only use them to align, don’t glue these yet) Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 10 Bearing support Combine the two plates that will support the front bearing Use parts: NG-28 and NG-7 Assemble the bearing Assemble the head Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 11 Make sure these edges are touching Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 12 Mount the head, bearing support and rear between the top plate and bottom plate. Use these parts to check alignment Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 13 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 14 Make sure that tabs are fully inserted into the slots. • Make sure that all surfaces are glued together well, especially at the rear of the instrument. This is necessary to resist the force of the strings. Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...

  • Page 15: Install The Bridge

    It’s recommended to file a bit of a V shape in the bridge pieces, so that each string touches the bridge just at the end. This ensures that the two strings of different thickness have the same effective scale length. Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08...
  • Page 16 Assemble the tailpiece use parts NG-18 and NG-19 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 17 Use two of the M3 bolts to make sure that there is no glue in the nuts. Place the bolts, wedge parts and bridge segments Don’t glue these, they need to be adjustable with the bolts! Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08...
  • Page 18 Grooves should be filed into the bridge segments, so that you’re sure that the string is touching it at the front. use parts NG-32 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 19 Glue the rear cover pieces together use the glue tool (NG-2) to align the two parts, and then discard the printed part Assemble the keybox Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 20 Glue the lid pieces together Assemble the drone bridge support use parts NG-21 and NG-9 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 21 Assemble the supports for the buzzing bridges Put the M3 nuts into the buzzing bridge supports use parts NG-4, NG-5, NG-18 use parts:NG-19, NG-20, NG-6 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 22 Apply lacquer You may want to lacquer or paint your parts at this point in the assembly, before mounting the key-box to the body. Glue the key-box to the body Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 23 Use a straight part, e.g. the lid, to align the parts. It is easiest to temporarily remove the support of the buzzing bridge when you do this, to avoid gluing it to the to plate. Nerdy Gurdy assembly instructions CC BY-NC 3.0...
  • Page 24 You don’t need to glue the tail piece in place, but it makes it a bit more stable. Assemble the machine heads Mount the wooden spacer rings on both sides of the head Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08...
  • Page 25 You do not need the the little screws that come with the tuners, but if you can find a way feel free to put them in. Use part NG-31 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 26 Glue an extra layer on top of the short keys ● Notes: The numbers are on the top of the keys. That’s the side on which you need to stick the extra layer. Assemble keys and tangents Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 27 Assemble the shaft The knob is fixed with a locking nut (red circle). Alternatively, you can glue a regular nut into place. Use parts NG-30, NG-31, NG-33, NG-28, NG-17 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 28 The printed ring is screwed to the back plate, to secure the bearing (2 x [screw, 2.5 x 13]) use parts NG-22, NG-28, NG-7 use parts NG-8, NG-30, NG31 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 29 You can also attach a Y-strap, like these from Sergio González: http://www.hurdygurdystraps.com/ There is a small tool included that you can use to accurately place the strap pin support plates. Use parts NG-1, NG-13, NG-10, NG-24 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 30 The plate goes on the inside, and is meant to divide the force over a larger area use parts NG-10, NG-23 Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 31 If the shaft is not perfectly straight you may need to ‘true’ the wheel after you assemble it. Rotate it by hand and apply a scraping iron or horizontal chisel, until it is perfectly round. Afterwards, finish with fine sanding paper. The smoother, the better. Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08...
  • Page 32 Mount the back plate use parts NG-27, NG-23 Mount the strings Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 33 If the force is too much, you can raise up the bridge pieces a bit, by adding a few strips of paper under the bridge pieces. The strings can be muted at the front: Upper trumpet in playing position both trumpets muted Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...
  • Page 34 • The color of your eyes • The position or Ursula Major in the night sky • Yesterday’s BitCoin exchange rate • … etc… you get the point  Nerdy Gurdy assembly instructions CC BY-NC 3.0 Jaap Brand, 2021-01-08 Page...

  • Page 35: Final Notes

    But there are many tutorials online, if you don’t have experienced players who can teach you. Enschede, October 2020 Ps. This manual and the Nerdy Gurdy itself are an ongoing project. Please let me know how they can be further improved.