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Subject: Stagecraft Digest #968
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For info, archives & UNSUBSCRIBE, see <http://stagecraft.theprices.net/>
---------------------------------------------------

Stagecraft Digest, Issue #968

 1. Re: Rabbit Ears CNC File
    by Loren Schreiber <lschreib [at] mail.sdsu.edu>
 2. Re: Overspeed brakes
    by Loren Schreiber <lschreib [at] mail.sdsu.edu>
 3. Re: Overspeed brakes
    by Bill Sapsis <bill [at] sapsis-rigging.com>
 4. Re: Gridbits and Rabbit Ears
    by "Brian Munroe" <bpmunroe [at] gmail.com>
 5. Re: Overspeed brakes
    by "Daryl Redmon" <jonathand01 [at] sbcglobal.net>
 6. Rental drape agreement
    by CB <psyd [at] cox.net>
 7. Re: Overspeed brakes
    by Clive Mitchell <bigclive1 [at] ntlworld.com>
 8. Re: Air Pump...how to make a bird fly
    by "Jason Salvatori" <theatretd [at] gmail.com>

*** Please update the subject line of your reply to use the subject
*** line of the message you are replying to! Please only reply to
*** one message subject in each reply.

----------------------------------------------------------------------

Message-Id: <7.0.1.0.2.20060930080258.048f1cc0 [at] mail.sdsu.edu>
Date: Sat, 30 Sep 2006 08:15:11 -0700
From: Loren Schreiber <lschreib [at] mail.sdsu.edu>
Subject: Re: Rabbit Ears CNC File
In-Reply-To: <list-35619379 [at] prxy.net>
References: <list-35619379 [at] prxy.net>

I'm happy to send the Rabbit Ears CNC router G-Code file to whomever 
wants it, but you may just want the DFX file so the conversion is 
correct for your particular machine. Send me your request and e-mail address.

I've considered making the Rabbit Ears out of aluminium as well (I 
have a CNC mill too), but that seems to negate the ease of building 
and the low cost of the devices. If it gets much fancier I think I'd 
just head down to the marina, spend the bucks and get some cleats for 
a sailboat. For my part, the wooden Rabbit Ears make a good student 
project (both for CNC knowledge and regular stagecraft) and each year 
we replace the ones that have gotten worn with new. Symbiotic, no?


Loren "Grits" Schreiber, Technical Director
School of Theatre, Television and Film
San Diego State University

Long Reach Long Riders announce dates for the 2007 Charity Ride.
Check out www.lrlr.org   for more information, and then join us! 


------------------------------

Message-Id: <7.0.1.0.2.20060930081547.04902e30 [at] mail.sdsu.edu>
Date: Sat, 30 Sep 2006 08:17:50 -0700
From: Loren Schreiber <lschreib [at] mail.sdsu.edu>
Subject: Re: Overspeed brakes
In-Reply-To: <list-35619379 [at] prxy.net>
References: <list-35619379 [at] prxy.net>

I'm looking for a source for overspeed brakes for stage winches. I do 
not need the whole winch--just the brake. I've tried searching the 
Internet for "over-speed", "centrifugal" and the like, but I'm having 
no luck. Anyone?


Loren "Grits" Schreiber, Technical Director
School of Theatre, Television and Film
San Diego State University

Long Reach Long Riders announce dates for the 2007 Charity Ride.
Check out www.lrlr.org   for more information, and then join us! 


------------------------------

Date: Sat, 30 Sep 2006 11:26:30 -0400
Subject: Re: Overspeed brakes
From: Bill Sapsis <bill [at] sapsis-rigging.com>
Message-ID: <C14404E6.12760%bill [at] sapsis-rigging.com>
In-Reply-To: <list-35631600 [at] prxy.net>

Loren. Depending on your use, (classroom -v- real life.  Deck winch -v-
overhead lifting)  you might be able to talk one of the manufacturers out of
one.  Give me a shout privately and we can probably work something out.

Bill S.
ETCP Certified Rigger - Theatre
www.sapsis-rigging.com
800.727.7471
267.278.4561 mobile






On 9/30/06 11:17 AM, "Loren Schreiber" <lschreib [at] mail.sdsu.edu> wrote:

> For info, archives & UNSUBSCRIBE, see <http://stagecraft.theprices.net/>
> ---------------------------------------------------
> 
> I'm looking for a source for overspeed brakes for stage winches. I do
> not need the whole winch--just the brake. I've tried searching the
> Internet for "over-speed", "centrifugal" and the like, but I'm having
> no luck. Anyone?
> 
> 
> Loren "Grits" Schreiber, Technical Director
> School of Theatre, Television and Film
> San Diego State University
> 
> Long Reach Long Riders announce dates for the 2007 Charity Ride.
> Check out www.lrlr.org   for more information, and then join us!
> 



------------------------------

Message-ID: <b7aa28010609300917g443a0f2dmfcc40f4628844a1a [at] mail.gmail.com>
Date: Sat, 30 Sep 2006 12:17:27 -0400
From: "Brian Munroe" <bpmunroe [at] gmail.com>
Subject: Re: Gridbits and Rabbit Ears
In-Reply-To: <list-35610416 [at] prxy.net>
References: <list-35568082 [at] prxy.net> <list-35584023 [at] prxy.net>
	 <list-35584731 [at] prxy.net> <list-35598106 [at] prxy.net>
	 <list-35610416 [at] prxy.net>

> That's why we have ground crews, slap a sheave on high steel, add line,
> funny looking thing shows up.

That's why there are high speed chain motors.  Open a trap on the
grid, press the pickle, away we go.  Works even better when the chain
motor is on a beam trolley.

Brian Munroe
bpmunroe [at] gmail.com

------------------------------

Message-ID: <001c01c6e4ac$5ff271b0$6600a8c0 [at] yourfsyly0jtwn>
From: "Daryl Redmon" <jonathand01 [at] sbcglobal.net>
References: <list-35619379 [at] prxy.net> <list-35631600 [at] prxy.net>
Subject: Re: Overspeed brakes
Date: Sat, 30 Sep 2006 09:20:40 -0700

Check out this group for overspeed brakes. They also make a clever winch and 
also a pully with a overspeed brake built into it. http://www.posilok.ca/. 
My church is looking at the posilok for their winches now.
Daryl Redmon
Resounding Light
> I'm looking for a source for overspeed brakes for stage winches. 


------------------------------

Message-Id: <3.0.6.32.20060930111641.00c4d908 [at] pop.west.cox.net>
Date: Sat, 30 Sep 2006 11:16:41
From: CB <psyd [at] cox.net>
Subject: Rental drape agreement

>Do any of you have a straight forward 
>agreement sighting things such as use and misuse ( no cutting, pinning, 
>stapling etc...) that I could utilize?

"The _________ that you have rented are delicate and expensive.  They
should be returned in the exact same condition that they were rented.  In
the event that they are not, you are financially responsible for any and
all costs associated with the repair or replacement.  Replacement cost will
be $________ plus shipping and handling."
				Chris "Chris" Babbie
				Location Sound
				MON AZ

Delete key training and post trimming done by appointment.  Rates
negotiable, will trade for typing lessons/ADD treatment...

------------------------------

Message-ID: <JEPHjlBKvrHFFwHJ [at] ntlworld.com>
Date: Sat, 30 Sep 2006 19:47:38 +0100
From: Clive Mitchell <bigclive1 [at] ntlworld.com>
Subject: Re: Overspeed brakes
References: <list-35619379 [at] prxy.net> <list-35631600 [at] prxy.net>
In-Reply-To: <list-35631600 [at] prxy.net>

In message <list-35631600 [at] prxy.net>, Loren Schreiber 
<lschreib [at] mail.sdsu.edu> writes
>I'm looking for a source for overspeed brakes for stage winches. I do 
>not need the whole winch--just the brake. I've tried searching the 
>Internet for "over-speed", "centrifugal" and the like, but I'm having 
>no luck. Anyone?

In the elevator industry these devices are referred to as governors if 
that helps.

They initially activate a switch that breaks the safety circuit and 
kills power to the winch, then if the speed continues to increase they 
lock and the wire to the cage engages the guide rail wedges.

I guess for stage winch use the "fall arrest" type of spring re-wound 
centrifugal brake devices would be more appropriate.  Dunno what they're 
called despite installing them.  :)

-- 
Clive Mitchell
http://www.bigclive.com

------------------------------

Message-ID: <1caebf780609301546p70b2a044t9db6d50fcfbd8d8d [at] mail.gmail.com>
Date: Sat, 30 Sep 2006 18:46:08 -0400
From: "Jason Salvatori" <theatretd [at] gmail.com>
Subject: Re: Air Pump...how to make a bird fly
In-Reply-To: <list-35486942 [at] prxy.net>
References: <list-35486942 [at] prxy.net>

The hat we did with a squeeze bulb in the sleeve, attached to a rubber
hose up the arm and in to the hat.  The end of the hose ended in a
pile of flour.  Small squeeze = puff from the hat.  Low tech, cheap,
and works pretty well.
For the bird, we just did a "freeze frame" of everyone around the
table, a quick blackout, a flash of a leko with a cutout of a bird in
front of it on the wall, then blackout again.  The bird was bristol
board cutout, hung on a string just below the grid with the wings
affixed by rigid wire. (so you pull the string and the centre goes up
and down, the wings stay fixed - voila! flapping bird)  the ASM
backstage pulled the string and the Leko was overhung in the grid to
give a 1' shadow oon the wall between the actors around the table.  It
wasn't bad, but it wasn't great.  It WAS very low budget...

Hope that helps.

Jason Salvatori
Technical Director
Vaughan City Playhouse

> how you constructed the air pump with flying bird and/or the chimney
> hat.  This would be greatly appreciated.

------------------------------

End of Stagecraft Digest #968
*****************************