you can drill a hole & then use a self tapper , I did my mockup bar without tapping I just used a 'B' style self tapping screw 3M
all the bars will be self tappers on the holders/reflectors to the heatsinks
AL is soft & using a tap in AL is hard to master
the cob holders need minimal...
yeah ,
i've used that chart before i'm in that 56% range with HLG-185-1400 @ 4 3590 per driver
that's how I'm building is bars (like a BLM) 4 cob per bar one meanwell 185 @1400 4 cpu fans & small fan powersupply on each bar with a dimmer knob & boost switch
I'm looking at 50 watts per sq/ft
I am waiting on some switches for my dimming circuit & I had to re-do the gro room before I made lites , no where to hang if the room not ready Duh .....
did a real live mock-up so my set-up runs , I just know myself if I don't do the dimmer s/w when I make the bars
once up I'll not take...
mHey Clean job Nice !!!
I'm doing 1600 watts 32 Cree 3590's 8 meanwell 185-1400's on bars 4 cobs per bar with driver 200 watts per bar
+
with dimming & a switch also on the dimmer leads
as with a open circuit on dimmer leads mean wells run @ 105 -110% over max rating
with a pot...
I read horror stories of guys bustin taps into there sinks , I'm using the screws I get outta pc salvage they have a small non threaded tip
Ya drill a hole to match that nub & just sink a screw AL & Copper are Soft . PC MFGers use them just like that on punched steel soo AL is no problemo
U found 48 3070s for 13 bucks ??? WOW
i'd bought them all too !! man I'd love to find them like that I'd put into the mars & cl baby
current prices $$
3590 54$ kit outta AU 49$ HK
3070 36$
you'd make up that difference quick @ current prices
that 54$ was the kit with...
I ripped into a near brand new mars 900 has 7 drivers I can run 14 cobs on them @ 700 I gonna get 3070 cobs 4 those drivers & I've got 12 3590 's coming from AU
all told I've got 6 mars I'll hack them all , run a run with them & then after they done their deed with Pix then sell , move...
i see frost , how high are the cob's over the canopy ?
I got my meanwells in had , ordered CXB3590 3500K cob's from the AU & gonna order more CXB3070 from PLC to hackout my mars2