Oh, and since your in Canada... There is almost nothing in the air left to scatter light in winter. Having zero humidity with snow on the ground generally means almost no airborne dust, and just a little Raman scattering off oxygen molecules. Thus in winter, unless its snowing, you need a fogger or massive hazer. (often more then one, and bring a small fan to distribute the smoke) Ask me some time how one of my best planned large throw shows (450 foot throw to 150 foot wide, windowless, building) switched from only beams to only graphics with a 10' temperature drop. Was a painful lesson, as in Ohio in the summer there is almost always some farm dust and erosive dust in the air. (Which often comes from as far away as Saharan Africa, I'm told) ~
Lasers in snow look great, but are really best from the projector side of the control booth or scaffold. Snow does not always forward scatter well, and big fluffy flakes can some times block the laser light totally as they pass.
I Concur on the 532 nm green. Its just I hate green only projectors, so I'd have never thought to mention it.
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If your using a low cost genset, consider having a true sinewave UPS between the generator and the equipment. One that is always true sine wave, not one that switches over just when the power sags. Also the words "four to six foot copper ground stake with bonding wire, comes to mind. " Make your own power extension cords with regular outlets and whatever the Canadian version of a four Inch Welded box with dual ganged outlets is. Three wire cords with green wire ground are mandatory.
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Thus if its snowing, you may want to project away from, not toward your audience.... (Oh, and don't buy into the cloud scanning dream, only works well in very rare conditions, and again, you usually can only see it from the back side of the projector)
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I just had a deep seated bad memory of a consulting trip where little thought was given (by the client) to waterproofing a projector up on a very tall, very windy, roof. When things got hot/ humid/wet/cold by virtue of
being a few miles from the ocean... It was a dry, hot, day at ground level, but not 24 stores up. Hint, little pointed roofs that extend far past the projector sides to drip where a drip is tolerable, is probably far better then any idea involving a cut down plastic storage box or plastic sheeting. Also touchpads on laptops rarely cope with humidity/wetness/melting snow very well, bring a Mouse or two with micepads and a keyboard or two. The Preacher may like the cold, but batteries don't, and you will soon be California dreamin if you don't have a practice run in actual conditions. Wind is a good thing at a few KPH, but generally bad at any other speed.
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Steve
Last edited by mixedgas; 02-14-2017 at 16:54.
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...