From: Monica Leo <goodfolk-AT-avalon.net>
Date: Tue, 4 Mar 2008 09:13:57 -0600
To: puptcrit-AT-puptcrit.org
Subject: Re: [Puptcrit] two overheads projectors ganged together


Here are 2 ways we've addressed this issue:
1.  Plug them both into a dimmer box and raise and lower 2 dimmer 
switches at once. We're still on our first set of overhead bulbs, 
though we've done the show regularly for several years.

2.  This is extremely low tech, but this is another technique we've 
used:  simply tape a flap made of posterboard to the top of the light.  
Make it long enough and wide enough to really block out the light.  You 
can lift it up and fold it back behind the light, then lower it to 
cover the light.  If they're side by side, it's easy to raise one while 
you're lowering the other.  If you raise and lower them slowly (and cut 
the bottom of the flap in a zig zag pattern), you even get a bit of a 
fade effect.

Monica



On Mar 4, 2008, at 8:37 AM, Dan McGuire wrote:

> Folks, I'm not much for electrical wiring, but this is what I want to 
> do:
> set two overhead projectors side by side projecting against a single 
> screen.
> I will do some shadow work on one OP then flip a single switch that 
> turns
> off one projector and turns the other projector on, where a different 
> scene
> has been preset. This would allow me to "cut" back and forth cleanly.
> I might also want the option of fading from one projector to the 
> other, but
> that would be a luxury.
> I could either get this effect with an electrical switch - though I 
> suspect
> I would go through a lot of bulbs, and there would be the problem that 
> these
> projectors take a moment to warm up.
> Or I could figure out a way to keep both op's running but block the
> projecting light, so only one is projecting at a time.
> Suggestions?
> Thanks
> Dan McGuire
> <http://homepage.mac.com/dandmcguire/GASP/>
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>
Eulenspiegel Puppet Theatre
319 N. Calhoun, POB 330
West Liberty, IA. 52776
http://www.puppetspuppets.com

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