Bulb orientation

[HeathBanks]

I have taken some measurements of bulbs with a footcandle meter. They are in rectangular style aircooled hoods. Daystar a/c 6". I was specifically measuring a few given distances from the ends of the reflectors (width). As i suspected, more light is shed from the end of the bulb, versus the screw in end.

Now knowing this, lets say you had 4 lights set up in 2 rows of two.
Would you orient your bulb tips inward at each other, outward away from each other, or all going the same direction?

Please list your theory as to why you chose the answer you did. Thanks.

I guess in reality it could all depend on how you space your lights. For example, you could have your bulb tips facing away from each other and have a tighter middle gap between reflectors,
OR you could have your bulb tips facing each other and widen the middle gap between reflectors, but shorten the gaps from the wall to the reflectors.

Im interested to hear what people have to say.

 

[stihgnobevoli]

i guess this means i can raise my bulb in vert without worry about the lower stuff not getting enough light.

 

[Philosophelon]

Hmmm... interesting question. First off, I've always just oriented my lamps in the same direction for the sake of simplicity (though I've run 1k->600->1k, etc. and was pleased with the setup). If I had to pick one to test first, I'd prefer the bases of the lamps in the middle, assuming that would result in the most even light distribution at canopy level (not sure if this is the case, but looks like it'd work in my head, lol).

My reasoning is that I find that avoiding hotspots is beneficial to overall yield even if the amount of light is the same, and quality is always better because excessive heat messes up the bud structure and damages the VOCs in the resin. Basically, I'd do whatever had the most even footprint. If we get to change spacing, then I'd test with the bases on the outside (away from each other), but if you can change spacing it doesn't matter much which way the lamps are oriented.