helicopter hovering

can.i.buz

Well-Known Member
The panda film over the windows (blacked out) is more a flag to them.

Thermal cams don't read windows (glass, bare aluminum, etc) well, very low emissivity and high reflection. A level I thermographer can dispute this in court voiding the warrant. Put a piece of electrical tape on the outside of the window and the tape will light up hot while the glass is showing whats outside. (Using a sheet of lightly crinkled alum foil is the standard way to calibrate a cam for reflective temp)

Houses have insulation. Its job is to block heat transfer. Plus the cams work best when there is a 15F diff between inside and outside. If its 100F out and your room is at 80F, the sun will be the one heating things up.

Wintertime is more a concern; shows up better.
Before I put up the panda film, I put up some bamboo curtains, some sheer curtains and some stuff in the window to make it look normal. I put the white side of the panda facing out then I covered it again with white towards the room.

The other stuff you said was a bit over my head. Could you say it again in layman's terms?
 

BigBudBalls

Well-Known Member
Before I put up the panda film, I put up some bamboo curtains, some sheer curtains and some stuff in the window to make it look normal. I put the white side of the panda facing out then I covered it again with white towards the room.

The other stuff you said was a bit over my head. Could you say it again in layman's terms?
Windows will show more of the of items outside the house. They reflect more heat then they transfer from inside (especially for double or triple pane windows.)

Heat from the lamps will show more at the studs in the wall (a thermal cam is the most expensive stud finder, and works pretty good too), corners, at places with insufficient insulation, and depending on temps, where they may be water leaks into the walls. Time of day also matters. In the summer its pointless to look during the day. The outside temp is too high.
Thermal cams do NOT read/see temp, they see radiated energy in the IR band.

Wave back to the nice man in the window
 

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can.i.buz

Well-Known Member
Windows will show more of the of items outside the house. They reflect more heat then they transfer from inside (especially for double or triple pane windows.)

Heat from the lamps will show more at the studs in the wall (a thermal cam is the most expensive stud finder, and works pretty good too), corners, at places with insufficient insulation, and depending on temps, where they may be water leaks into the walls. Time of day also matters. In the summer its pointless to look during the day. The outside temp is too high.
Thermal cams do NOT read/see temp, they see radiated energy in the IR band.
I live by the beach and our day temp is in the 70's most of the time and in the 50-60's at night. Am I screwed? The house was built in the 20's so I don't think there's any insulation.
 

BigBudBalls

Well-Known Member
I wouldn't think so.
Keeping the heat towards the center of the house is best. Crawl spaces can be a big asset in diverting heat.

(I added a photo of a thermal of a window from the outside looking in to previous post.)
 

can.i.buz

Well-Known Member
I wouldn't think so.
Keeping the heat towards the center of the house is best. Crawl spaces can be a big asset in diverting heat.

(I added a photo of a thermal of a window from the outside looking in to previous post.)
Cool. I wish I could see my house with one of those.
 

StreetRider

Active Member
Glass is great at blocking IR.

The best method is to grow in the basement not the attic. If you vent your hot air into the house will will hide most of the heat. In the summer you can run the AC if needed. In the winter it will help heat the house. The IR cameras do not see through multiple levels of a house well at all. Each wall and air gap "blur" the signature.
 

timmmay

Member
just thought i'd share my experience with everyone. i'm from chicago and just moved to SD a few months ago. i grew back home for years and always used IRblock film over the ceiling of my room. i tested it with a thermal imager which can be configured to scan via UV much like the equipment the helicopters use in late night raids, police chases, and to seek our your lights. it was a pretty expensive portable fluke device my buddy used at his shop. he's a mechanic and can look inside engines and transmissions without taking them apart with it. probably the most valuable diagnostic tool he owns, super easy to spot a blown head gasket, bad water pump bearing or slipping band in a transmission.

anyway, the film works flawlessly. you can't see shit through it. remove the film and a 1000-watt hps bulb is so bright you can't even see anything but a white splash on the screen.

a homebrew way to test the ir film is simply with an infrared remote control. put it in front of your TV and see if you can change the channel. ir is amazingly hard to block. strong ir signals (fresh remote control batteries) can shoot through rockwall and sheet metal with ease.

when i moved to san diego i setup a similar configuration (now legal thank god, although legislation recently passed in illinois and they will be starting medical permit trials next year)

this time I used a newer version of the ir blocking film which isn't really a film anymore. before it was basically a mylar tarp like you buy at hydroponic stores, except instead of white on one side and black on the other, it was silver on one side and black on the other, with only 70% reflectivity instead of 91%.

the new stuff is kind of like bubble-wrap, but still silver like the old stuff was. its substantially thicker, and therefore easier to work with, but also more expensive per meter.

so i have a sheet of that up over my light. however, back in chicago, you never hear any helicopters overhead, although i had heard about somebody being heli-busted years back.

here, in SD, i hear helicopters daily. every day around 8:00 theres one that does circles over my house. it scares the shit out of me. last week one of the helicopters was telling everybody they were looking for a white male with a white shirt and a brown dufflebag. infact it was the 3rd of july I think. they circled for about 20 minutes and left. i've lived in a lot of places and still have never seen so much helicopter activity. its pretty nuts.

at least its comfortable knowing if i am 'caught' that i have a legal permit to do this, but i really don't like the fuzz up in my space. its probably safe to say we're all a little paranoid with good reason. and its ridiculous we have to still live like this in the 21st century.

ohh yea, bigbugballs, i fuckin' love bubbles man! if you ever wanna toke to some TPB hit me up lol. i haven't seen that shit in ages...at least since it ended a few years ago :(
 

purplebud27

Well-Known Member
If I have 4 plants will the cops call dea I have a highway by my house and planes and choppers fly around for most of the day the plants are outside
 
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