How to make a Cold Smoke Generator for your UDS or Smokehouse. Thin Blue Smoke Generator

Make a cold smoke generator

DC brushless blower 120mm x 120mm x 32mm

32mm x 1.5m stainless silencer perforated baffle tube

150mm x 150mm 5mm square hole x 1.5mm thick Stainless perforated sheet

125mm dia x 1m long stainless flue pipe

Stainless flue pipe cap

Steel 11mm Diameter pipe @ 11.5cm long total - 8.5cm long from the inside of the 15mm copper pipe connector

1 x 28mm Munson ring

27mm long copper pipe extension (soldered into the nipple end - add a few mm to set in side)

28mm copper pipe into drum 77cm long 'total'

407mm (16”) 3/4 malleable iron pipe

4 x 3/4” male to male connectors - one for the perforated pipe - one for combustion outlet - two for the jar connection
2 x 3/4” male to male barrel connectors - one for the 28mm copper to the tee
2 x 3/4” tees
1 x 3/4” nipple end - for the 15mm @ 27mm long Venturi inlet
1 x 3/4” female to female connector - for the internal perforated pipe
3 x 3/4” nuts - two for the jars - one for the combustion outlet

1 x 22mm full bore compression valve
2 x jars (I used peanut butter jars)
1 x Hammond die cast box No 1590
1 x stainless paint kettle for the base of the hopper - this coincidental fitted the UK 5” flue pipe - you might have to adapt for your country