Van pedals

Wanted a set of 3 (not 2 + 1), legal, heavy duty, serviceable & pleasing pedals.
knoba - van pedals

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Machined from 6 series aluminium, 5mm thick, curved, hammer finished, re-machined & polished.
knoba - van pedals

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Studs are machined & polished m6 stainless button caps.
knoba - van pedals

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Van cab steps

Left; Hammer-formed finals (4mm thick, ground, beaten & polished).
Centre: Hardwood bucks routered from decking off-cuts.
Right: Original plastic steps (loading caused rust in underlying structure).
knoba - van cab steps

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No annealing required. Machined nylon66 interfaces stuck with PU sealant.
knoba - van cab steps

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Fixings are M8 stainless countersunk bolts & M8 square weldnuts.
knoba - van cab steps

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themetalstore.co.uk – aluminium 5 bar checker plate

duckduckgo.com – square weld nuts

wikipedia.org – Nylon 66

Sikaflex – EBT+ polyurethane adhesive

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Tool tang drill bit

Almost any steel will do. 7mm o/d, 2 straight flutes, 1/4″ increment depth marks
knoba - Tool tang drill bit

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Used in lathe, with new handles. Enlarge to fit individuals tangs…
knoba - Tool tang drill bit

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4° included taper (as per machine taper)
knoba - Tool tang drill bit

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Can easily remove shank for re-tempering. Link to CAD file below
knoba - Tool tang drill bit

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Wiki – Machine taper

knoba – Tool Tang Drill Bit – 2017.dxf

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Ac Power Supply

Aluminium frame pattern for recycled multitap transformer
knoba - Ac Power Supply

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Transformer core shaping buck
knoba - Ac Power Supply

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Frame made
knoba - Ac Power Supply

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knoba - Ac Power Supply

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Donor psu…
knoba - Ac Power Supply

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Ac system internals in
knoba - Ac Power Supply

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240vac @ 50Hz in: 1, 3, 6, 9 & 12vac @ 50Hz out
knoba - Ac Power Supply

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Illuminated the meter.
knoba - Ac Power Supply

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New laminated fascia (cad file below)
knoba - Ac Power Supply

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New laminated meter scale (cad file below)
knoba - Ac Power Supply

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Schematics (Fritzing file below)
knoba - Ac Power Supply

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knoba – Ac Power Supply – Fascia – 2016.dxf

knoba – Ac Power Supply – Meter Scale – 2016.dxf

knoba – Ac Power Supply – Schematic – 2016.fzz

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Hot tongs

long reach 24″ tongs made from 1″x3/8″ (25mmx10mm) steel bar.
knoba - Resistor Hot tongs - 01

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Heated, viced up & twisted
knoba - Resistor Hot tongs - 02

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9″ long reforged from old pincers, great for handling hot metals & acids
knoba - Resistor Hot tongs - 03

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knoba - Resistor Hot tongs - 04

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Electric Guitar

20 year old incomplete project, found on freecycle.
knoba - electric guitar - 01

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It finally has a voice and a lovely, unique, sound range.
knoba - electric guitar - 02

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Fodic neck.
knoba - electric guitar - 03

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I’ve done a lot to this guitar to get it up; hand beaten stainless steel jack port…
knoba - electric guitar - 04

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Custom electrics; 3 x dpdt phase reversal switches, tones on 2 pickups.
knoba - electric guitar - 05

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Non-magmetic 3 series stainless steel, all inlayed.
knoba - electric guitar - 06

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New house guitar. Have some wood inlay to do & more wood carving.
knoba - electric guitar - 07

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A first for me. Wood inlays (white oak)
knoba - electric guitar

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Switches are 3 position DPDT (down = out of phase, centre = off, up = on)
knoba - electric guitar

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304 stainless made from sheet
knoba - electric guitar

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knoba - electric guitar

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Depth spotted with drill and chiselled flat, hide glued.
knoba - electric guitar

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Closing trim
knoba - electric guitar

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knoba - electric guitar

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knoba – Electric Guitar – 2017.dxf

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Hand graver

Hand graver for engraving metal.

Iroko handle, cast & machined brass body, 1/8″ hss lathe tool, m4 grub screws.
knoba - hand graver - 01

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Handle is flat on one side to allow the tool a low attack angle.
knoba - hand graver - 02

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knoba – Hand graver – 2016.dxf (CAD file link below)
knoba - hand graver - 02

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knoba – Hand graver – 2016.dxf

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