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You are correct. red is the ion gen and goes to screen,  green is the ground plane.  You want the scene to become the ground plane so you bring that wire out and to the ground point (nail). 

Anything in the 6 to 9VDC / 300mA power pack if ok. I run my rechargeable version on close to 12V and you can just see and hear the HT jump the gap as you move the ground closer to the screen.  Oatley recommend (guarantee)   7.5VDC. 

Marc Fournier, Quebec

Further reference

Marc...

I'm including this here for others with this in mind.    Comparing these 2 units leaves me wondering which, if any, would be adaptable to the purpose:

From http://www.allelectronics.com

Ionizer                                Input 120VAC  Out: 7.5KV                      Cat#  SW-750

Gas Tube Sign PS           Input 120VAC  Out: 2KV   @10mA        Cat#  HVS-1

Further reference...

Peter-f, and others...

The Ionizer #SW-750 is the same 120 volt negative ION generator that I used for my corded 120V applicator.  It is the most powerful applicator I have seen so far.  More powerful than 12V, more powerful than the Noch and far more powerful than the hacked fly swatters.

The gas tube power supply is rather underpowered at 2kV, IMO.  An electronic fly swatter would be comparable.

ion generator grass

I have built the generator but do not know what static grass to buy for tall weeds. I have Woodland Scenics Static grass flock. it seems too short to do more than just cover. Any suggestions as to brand and style? 

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One of the RMH sponsors sells the taller Static Grass (Scenic Express). 

Others have suggested multyple coats can produce a taller weed like finish as the fibers stand almost end to end.

Marc Fournier, Quebec

static grass

 Thanks

 I had missed it in the places I normally look. I will go to Scenic Express now

Stan Hall

Static Grass in N Scale

Yesterday I viewed Joe Fugates scenery video, in that video he shows how to make a static grass applicator.  I'm might just do that but wonder if this static grass is recommended in N scale layouts?  I imagine it woudl make a great wheat field but I'm modeling an urban / waterfront area with few grassy areas - but there are some.  

It is things like this where it would be great to belong to a MRR club which could buy or build one and lend (rent?) it out to members given that it is the sort of thing you'd use for a bit then set aside.  

Anyone who has used this in N scale have any convincing photo's? 

N scale

FKD, I made a test area on my N scale diorama at the top of the photo below.  I'm certain this is the 2mm static grass.  4mm would be OK as well, but 6mm would represent more like a wheatfield or very tall grass.

N-Scale Static Grass vs Ground Foam Picture

The picture below is from my N scale layout.  The grass in the foreground is groundfoam.  The grass behind the telephone pole and also by the rocks at the top of the hill is 4mm Silflour static grass from Scenic Express.  Generally, I plan to use static grass in the foreground and groundfoam further away.  People who have seen the static grass are really impressed and I ask them to feel it.