Results 21 to 30 of 87
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06-09-2009, 08:25 PM #21OPSenior Member
Second Martian Method attempt
Ouch, a sprained wrist sounds rough. Hopefully it was from something cool like stopping an armed robbery or trying to lift a plant with too big a yield... :thumbsup:
Dog: at four hours of PAL, I'm left with 20 hours of time that I need to fit 12.5 hours of SID equivalent time into. If I have to use all PAD and no actual SID, I'd need a time factor of 20/12.5 = 1.6.
For readers who may be confused at our acronyms:
PAL: Photosynthetic Artificial Light
This is what most people would call an indoor plant's "daylight". Photosynthetic because the plant is creating energy from light, Artificial because it's coming from light bulbs and not from nature, and Light because the color from the blue end of the spectrum makes that plant think it's daytime.
PAD: Photosynthetic Artificial Darkness
P and A same as above, Darkness because certain colors from the red end of the spectrum make the plant think it's nighttime.
SID: Standard Indoor Darkness
AKA total darkness. Since this is the absence of all light, it's an easy standard to base other calculations off of. As indoor growers we know that we need about 12 hours of SID to make a plant flower, so we can calculate what PAD does to a plant based on known relationships of the effects different types of PAD light as compared to SID.
So when we post a timing schedule that looks like 4/9/11
The 4 is blue because it's PAL, the 9 is red because it's PAD, and the 11 is black because it's SID.
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06-09-2009, 09:36 PM #22Senior Member
Second Martian Method attempt
Originally Posted by Mother
Once you think about it... There are many different Combinations to chose from...
The only problem I see right now. You are using an estimated time factor of 2 and an estimated time factor of 5.5 to get an estimated time factor of 5.2..... estimated x estimated = estimated... The good news is I think you overshot your estimated time factor and your plants will act more like a 11/13 type of flower. I think that gives you more (if you want) PAD on time...
Let's say your PAD time factor is actually around 4.2. Then you could run 10 hours of PAD 4/10/10
and you would have 12.3 SID
Now the question is can we get Sal to look at your PAD lighting you got posted and give his estimate on an estimated time factor.
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06-10-2009, 12:26 AM #23Senior Member
Second Martian Method attempt
Mother do you run your 660 during your PAL time?
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06-10-2009, 09:33 PM #24OPSenior Member
Second Martian Method attempt
Hey Dog, I got my estimated time factor at 5.2 because there's a lot more 660 light than there is red incandescent, so I believe it weights the factor more.
For example, if I had one red 660 LED and 10 red incandescent bulbs, it should be a different overall time factor than if I had one red incandescent bulb and 10 660 LEDs. That's because there's a lot more of a given type of light, so it pushes the overall time factor in that direction. At least this is the assumption that I'm working with, and given what else I know about how light works, I think it's a reasonable one. Just multiplying the factors together (2x5.5) ignores how much of each type of light is present.
I run all of the lights during the PAL time: CFLs, LEDs and red incandescents. The only thing that happens on the switch from PAL to PAD is the CFLs turn off. Then on the change from PAD to SID, everything else turns off. Then on the change from SID to PAL, everything turns on, and so the cycle goes.
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06-10-2009, 10:31 PM #25Senior Member
Second Martian Method attempt
can i ask where these time factors come from? how does one get these numbers?
thanks for the PAL/PAD/SID definitions by the way. this is hard enough to follow as it is!
sorry if i sound like an idiot newb! just trying to soak everything in that i can.
-shake
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06-10-2009, 11:52 PM #26Senior Member
Second Martian Method attempt
Originally Posted by Mother
My 4.2 PAD time factor estimate is just a guess.. :thumbsup:
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06-11-2009, 09:40 PM #27Senior Member
Second Martian Method attempt
Originally Posted by headshake
All spectrums have a time factor..
Right now all the time factors we have are....
SID (standard indoor darkness) 1.0
SOD (standard outdoor darkness) .8
Red Incandescent Aprox 2.0
Red 660 Aprox 5.5
My uncle and I have found Red Cfl's are faster then 660. Just not sure exactly the time factor. My guess is Red CFL's are around 4.5
Hope this helps.. :thumbsup:
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06-11-2009, 09:47 PM #28Senior Member
Second Martian Method attempt
thanks dog! i'll definitely read that. these advanced topics make my head hurt sometimes.
i'm just tyring to catch some hind tit here!
thanks again.
-shake
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06-12-2009, 03:00 AM #29OPSenior Member
Second Martian Method attempt
Dog: Couldn't have said it better myself.
:thumbsup:
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06-12-2009, 05:06 PM #30Senior Member
Second Martian Method attempt
We could clarify a little more. Sorry I'm not trying to confuse any one. According to Sal's post #76... Time Factors are SID and slower (1.0 1.1 1.2 and up)....Time Rate is what's referred to as faster then SID (.9 .8 .7 and lower)...
I Just wanted to get the correct terminology out there.. When the info is released in October everyone should have a good idea about Time Factor verses Time Rates. :thumbsup:
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