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how much does the inverter thing cost, monodynm-err...however you spell your name...  -------------------- TacoWagonProductions --------------------
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| Posts: 3927 | Location: Sacramento, CA | Registered: July 21, 2003 |    |
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Alumnus

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I've used inverters and gennys before. They work okay. You're going to need one of the inverters that run off the battery directly. The cigarette plug ones only go to a very few hundred watts. And you don't *have* to have your car running if noise is a problem. The inverter runs off the battery. You should run the car between takes to charge the batt, however. That said, you'll get more power out of the inverter if you have the car on because the altenator will give it more voltage than the batt (about one volt or 8 percent more). It all depends on your lighting setup, though. Count watts, and expect to only use 60-80 percent of what the inverter claims they put out (they measure them with peak output, not continuous). Flourecent lighting tends to be much lower wattage per lum so that's a good light to run off a genny or inverter. Speaking of genny's they work good, but screw your sound track. They do tend to power more lights and can be carried to more remote locations than a car can drive. You can run a long extension cable, but you loose power the longer the cable is. It's all a trade off. For several setups, I decided to shot MOS and keep the genny close by for conveinince, then ADR and build all the sound in post.
I can't wait till I can afford to hire a genny truck and operator for my shoots. That would be sweet.
joren
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| Posts: 1742 | Location: HELL-A | Registered: March 05, 2003 |    |
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Alumnus

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Yeah, Joren has it. Inverters are a good way to go for the lights you have. The Geni probablly wouldnt work (unless it was a film Geni) Your average geni fluctuates in power, causing lights to have a slow strobe. Use the inverter (you should be able to find them at any Home Depot) You could also use car headlightrs. Try bouncing them off a bounce board to soften them a bit. If you can (especially if your in the woods) try and get some lights in the background, like hitting trees or something to help create depth wihtin the scene. You dont want it to look like a lack hole behind them. If that was the case, you could shoot that in a big dark room. Establish where everyone is. Good luck. R. Michael
"Luck, is when opportunity, meets preperation." "There are 3 sides to every story. Yours, mine, and the truth, and none of us are lying" -Robert Evans
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| Posts: 1534 | Location: WPB, Florida | Registered: November 22, 2002 |    |
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Alumnus

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yeah dude, they are inverters. ...but remember, do the wattage math. The best model is a 700 maximum watt inverter. If you look closer, it's only 560 continuos watts. So, as an example, you could power only one 500w home depot light. If that's all you need, sweet--go for it. But normally I use at *least* two lights per acting area and more lights for the background. All I'm saying is 560w is nothing for lighting a night scene outdoors. You need the poratwattz 3000 http://www.4lots.com/product.asp?3=31It's got 2500 watts continuous. Then you can run 5+ smaller lights On the down side, with these big power inverters, you gotta look at amperage draw. 2500 watts devided by 12 volts is 208+ amps (not including heat loss). You're gonna need to run 2 gauge or better wire at short lengths (ought or double ought at longer lenghts) and you may even need dual batteries and a high output alternator so you don't run out of power. Trying to show you the big picture. joren *Edit: oh, and I'm not trying to contradict Tizzy, but with my Miller 2600 watt genny, I've run incadecent and flouros with no noticable power or lighting fluctuation (after initially turning on the lamp). Haven't put HMIs to the test, but they have their own power regulator, don't they? It's not the cheapest genny--about $1000 for it, but it's also not nearly the quality or capacity of a film genny truck.
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| Posts: 1742 | Location: HELL-A | Registered: March 05, 2003 |    |
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Junior
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quote: what I would do is put a stupid bench in my backyard and *create" the forest path or whatever...then ya just need a couple extension cords...only what I'd do though.
Now that you mention it, I was pretty tempted to do that. But my main reason I want to film it on this bike bath, is for 1) the scenery is amazing and most of the movie takes place on this path. 2) The path way is paved and I can use some wicked dolly shots. 3) I wrote the script keeping budget in mind, so I had to pick a "spooky" yet creative spot for the murders. And the bike trail was the best bet for the above reason. I think am I going to test out a inverter. I am going to Canadian Tire today to check it out. Since I have a total of 1500 watts to power I better do some more research first!  If you don't look I'll force you to _=_
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| Posts: 590 | Location: Canada | Registered: December 26, 2002 |    |
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