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Rainfall Shower Heads


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What sort of money should i be looking to pay for a 12" rainfall shower head? Something like this in st/st with LEDs:

 

http://m.ebay.co.uk/itm/12in-Stainless-Steel-LED-Rainfall-Shower-Head-with-Color-Changing-Brushed-UK-/111636503923?hash=item19fe0ddd73%3Ag%3Av8oAAOSwYHxWPXhp&_trkparms=pageci%3A6ba61236-65f8-11e7-bb5e-74dbd1806e20%7Cparentrq%3A3015eab115d0aa66f3105a80ffe8a97c%7Ciid%3A10

 

Seeing them on eBay for like £12 from China! I note a lot appear to only be Gr304 stainless.

 

The LEDs, are they generally powered by a small dynamo driven by the water stream?

 

Can it be that hard to make one from a pair of 316 stainless plates clamped together with a spacing gasket in between? Just a big watering can head isn't it?

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43 minutes ago, recoveringacademic said:

 

Nahhhhhh, @Onoff . Go on, start building one! We'll all watch and learn from you. Honest

 

There is a CAD algorithm for producing spiral drilling patterns - I'm sure if you got the correct pitch too you could create a vortex....

 

Challenge for you there @Onoff

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I'm sure I've been down this rabbit hole before.....

 

Thinking two spaced plates. Big hole, top centre for the inlet. Matrix of holes in the lower plate.

 

1) Spacing between plates?

 

2) Dia of & number of holes?

 

3) Do the holes need to be "dimpled" or coned from above? Maybe with a centre punch or csk bit?

 

Must be some rough lpm calc I can do based on the shower pump?

 

4) "Rubber" gasket between plates or neatly done silicon/CT1?

 

5) Htf to fit the LEDs...singles, gel strip?

 

Roll on the dentist at 5pm and maybe this madness will stop!

 

(Already identified some decent thickness st/st catering trays, 316 I think! ;) )

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