Uploaded May 2018 | Updated September 2026, 1 hour ago

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In this tutorial I show how to make an air raid siren using a standard bench grinder bought from amazon and plywood, its howl is quite loud but not so loud the neighbours complain

Bench grinder used was an Einhell TH-BG 150 and can be found here goo.gl/O9cCiP

My camera gear
Canon G7X goo.gl/hElOVh
Canon 80D goo.gl/kd49Qq
Rode VIDEOMIC PRO goo.gl/9l8fvX
Rode Deadcat Windshield goo.gl/tHTncw
Canon 15-85 goo.gl/KV3Exj

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00:00 Intro
00:17 Cutting out ply wood
01:46 Screwing ply wood together
02:54 Rounding off lumps wood lathe style
05:15 Making plate steel mounts
08:36 Making the rings round using a router
10:13 Cutting out the vents
11:28 Cutting out the blowers
13:17 Spray time
13:44 Assembling the finished siren
14:49 Links