DIY Hardware Trawl

by TestingOurWaters in Outside > Water

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DIY Hardware Trawl

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We will show you how to make a trawl using 40$ supplies from any hardware store.

Supplies

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You will need the following supplies :

1) A wooden plank

2) Air conditioner Duct

3) Paint Filters (1 Pack)

4) Worm gear clamp

5) 4 round head screws

6) 4 Bolts

7) Rope

Drill Holes Into the Wooden Plank and the Duct

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Align the duct in center on one side of the wooden plank. Mark four points (two on each side) on the wooden plank and duct to drill the holes. (Image 1 & 2) (insert dimensions)

Drill two more holes in the plank (Image 3) (insert dimensions)

Screw in the Duct Onto the Wooden Plank

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Using the screws and bolts, fix the duct on the plank

Attach the Filter and Worm Gear Clamp

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Attach the filter to the duct and lock it using the worm gear clamp

Tie the Rope

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Tie the rope on to the wooden plank

You're Ready to Trawl!

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Process Samples

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Check out how to process the samples collected.

https://www.instructables.com/id/Citizen-Science-Processing/