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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Carved Tudor Rose

Butt jointed (no tongues or biscuits) well seasoned knotty pine
knoba - Carved Tudor Rose

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Marking out guide for Rose design
knoba - Carved Tudor Rose

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Starting in, must have tea…
knoba - Carved Tudor Rose

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Fleshed out.
knoba - Carved Tudor Rose

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Did not have the right carving gouges for this size work
knoba - Carved Tudor Rose

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Stopped project to make some better size gouges…
knoba - Carved Tudor Rose

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3 sepals left to go
knoba - Carved Tudor Rose

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36″ o/d x 1.75″ thick. 120+ hours.
knoba - Carved Tudor Rose

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Enjoyed those little sepals
knoba - Carved Tudor Rose

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Boss in centre is for a light pattress (it’s a ceiling rose)
knoba - Carved Tudor Rose

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knoba - Carved Tudor Rose

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Danish oiled then wire wool and waxed
knoba - Carved Tudor Rose

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Turned magnetic Beech fixing covers
knoba - Carved Tudor Rose

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On my ceiling, sub rosa
knoba - Carved Tudor Rose

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Colron – Danish Oil, Wire wool & Finishing wax

Pfeil – Carving tools

knoba – Carved picture frame

knoba – Carving gouges

knoba – Gym mirror

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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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Chop saw mitre framing jig

Easy to make (ply & baton) checks accuracy of chopsaw 90° cut
knoba - Chop saw mitre framing jig

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1 joint 1 cut, or, 2 joints 1 cut…
knoba - Chop saw mitre framing jig

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Perfect.
knoba - Chop saw mitre framing jig

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Link to CAD file below
knoba - Chop saw mitre framing jig

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knoba – Chop Saw Mitre Framing Jig – 2017.dxf

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Breadboard Patch-leads & Peripherals

2.54mm 1/10″ male to various connectors
knoba - Breadboard Patch-leads & Peripherals

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knoba - Breadboard Patch-leads & Peripherals

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2.54mm 1/10″ male to various peripherals
knoba - Breadboard Patch-leads & Peripherals

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knoba - Breadboard Patch-leads & Peripherals

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knoba - Breadboard Patch-leads & Peripherals

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Dupont clones
knoba - Breadboard Patch-leads & Peripherals

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knoba - Breadboard Patch-leads & Peripherals

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Amphenol – Interconnects

Molex – Interconnects

JST – Interconnects

Freecycle – Interconnect recycling

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Component tester

Aka: Octopus, Curve Tracer, Analog Signature Analyser…
knoba - Component tester

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Made from recycled 240Vac “wall wart”.
knoba - Component tester

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Breadboarding the I/V circuit.
knoba - Component tester

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Breadboarding the internal 1A fuse and led indicator circuit
knoba - Component tester

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240V:10v transformer source and internals.
knoba - Component tester

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Measuring out internals and laying out facia
knoba - Component tester

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Making fuse & indicator pcb
knoba - Component tester

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Backside
knoba - Component tester

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All pcbs made and fitted
knoba - Component tester

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Made some test leads, facia done with inkjet printer and laminated
knoba - Component tester

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Compact, no mains leads hanging around…
knoba - Component tester

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BNC’s are 50ohm, 4mm bananas, female pin header.
knoba - Component tester

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Working well… seen testing an LED
knoba - Component tester

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knoba – component tester front panel – 2016.dxf
knoba - Component tester

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knoba – component tester schematic – 2016.fzz
knoba - Component tester

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knoba – component tester front panel – 2016.dxf

knoba – component tester schematic – 2016.fzz

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