Workshop extractor

Intake side. Made from aluminium.
knoba - Workshop extractor

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Exhaust side. Enclosure made from 304 stainless steel, plywood & galv weldmesh.
knoba - Workshop extractor

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240v Torin Sifan extractor, centrifugal fan. Fabricated wall interface.
knoba - Workshop extractor

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3 developments. Mallet formed. Pop riveted & silicon seams. Cad file below.
knoba - Workshop extractor

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Removable grill made from plywood & weldmesh.
knoba - Workshop extractor

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Hardwood former (1st) used for hammer forming intake cowling
knoba - Workshop extractor

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Hardwood former (2nd) used for hammer forming intake cowling
knoba - Workshop extractor

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Hardwood former (3rd) used for hammer forming intake cowling
knoba - Workshop extractor

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First phase complete. To do: trim edges & fold over returns…
knoba - Workshop extractor

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Softwood former (4th) used for hammer forming edges of intake cowling
knoba - Workshop extractor

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Needed to make a tucking fork for this operation
knoba - Workshop extractor

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Front side.
knoba - Workshop extractor

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Back side.
knoba - Workshop extractor

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Power. Extractor is quiet & very powerful.
knoba - Workshop extractor

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Materials:
(FAN)
1 x Extractor fan
1 x Wall interface plate (1.5mm galvanised sheet)
1/8" pop rivets
Rawlplugs
6 x 12x2" stainless steel self tapers
6 x m8 stainless steel washers

(ENCLOSURE)
1 x 4'x4'x1.0mm 304 stainless steel sheet
1/8" pop rivets
Silicone sealant
1/2" closed cell foam sound insulation
High temp spray glue
10mm mild steel bar
2 x m6 stainless steel button cap bolts
2 x m6 stainless steel washers
Plywood
Weldmesh

(INTAKE)
2.0mm 6 series aluminium sheet
Grab adhesive

(ELECTRICAL)
240v metal clad switched outlet with light (5Amp fuse)
Metal clad surface mount backbox
22mm (7/8") through hole rubber grommets
1.0mm twin & earth cable
Rawl plugs
Screws
Earth sleeving
Trunking
Cable ties

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Torin-sifan – Ddn200-180a Extractor

Sassda – Stainless Steel

Rivetwise – Pop (blind) rivets

MK Electric – Commercial / domestic

Thor – Hammers & mallets

knoba – workshop extractor – 2017.dxf

knoba – Metalwork mallets

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http://www.homemadetools.net

Metalwork mallets

large diameter heads & long reach heads in double wedge, round & flat
knoba - metalwork mallets

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Heads are home grown & seasoned holly, wedges are mahogany & handles are beech.
knoba - metalwork mallets

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Handles turned from old table legs, spoke shaved ovoid, danish oiled and burnished smooth with 00 wire wool.
knoba - metalwork mallets

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Added extra weight with heated and shrunk rings
knoba - metalwork mallets

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3 smaller mallets, beech dowel handles, holly heads.
knoba - metalwork mallets

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All heads danish oil soaked in poly bag, finish left on heads
knoba - metalwork mallets

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knoba - metalwork mallets

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knoba - metalwork mallets

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Materials:
Large heads: 2 x 125x50 mm o/d (5"x2" o/d) holly
Long reach heads: 2 x 180x40 mm o/d (7"x1 1/2" o/d) holly
Small heads: 3 x 100x32 mm o/d (4"x1 1/4" o/d) holly
Large head handles: 2 x 280x40 mm o/d (11"x1 1/2" o/d) beech
Long reach head handles: 2 x 325x40 mm o/d (12 1/4"x1 1/2" o/d) beech
Small head handles: 3 x 330x15 mm o/d (13"x19/32" o/d) beech
Danish oil
00 Wire wool

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Wood-database.com – holly & beech

Colron – refined danish oil

Liberon – steel wool

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Jessops tripod camera mount

Machined from hardwood scrap (not the wired thumbscrew).
knoba - jessops tripod camera mount

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knoba - jessops tripod camera mount

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Fits the unusually shaped jessops tripod
knoba - jessops tripod camera mount

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All; Freecycled, recycled.
knoba - jessops tripod camera mount

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Wood seasoning rack

North facing, sheltered from; light, heat, rain & infestation.
knoba - wood seasoning rack

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Rack is made from recycled; forklift pallet, aluminium chairs, twin wall polycarbonate. 316 stainless wire (new). Ground below good for spalting.
knoba - wood seasoning rack

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I make my own log sealer from old water based interior emulsion & PVA glue.
knoba - wood seasoning rack

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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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Wooden cornices

Turned in the round, quartered, back relieved & carved.
knoba - sunglass modding

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Home seasoned apple, linseed oiled & beeswaxed
knoba - sunglass modding

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Wood database.com – Apple

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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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