Theatre Design & Technology - Summer 2019 - 49
charges and provide both the structure
needed and the malleability necessary
to create access to the contact points.
After some experimentation, a 12"
sleeve seemed to provide adequate
support for a 9' length of pole above
the deck. The sleeve was supported by
a wooden box, which also had the advantage of giving us attachment points
for the spring contact plates. For the
spring contacts, we used single-button,
dog-leg, quick-release connectors from
McMaster-Carr (www.mcmaster.com/
spring-buttons). This had the advantage of giving us a contact point that
would easily stick through the wall of
the PVC and would push out of the
way as the pole got shoved down the
sleeve. We used plumbers strap to hold
the PVC at the right height to allow the
spring room to move and drilled a hole
in the side so that the second spring
would make contact with the copper
banding. We used the wooden block to
secure the second spring in a position
that gave pressure on the contact point.
We now had both connection points.
From here it was just duplication in
numbers. We had several false steps
and had to back up and try again a
couple of times. But in the end we got
a product that did exactly what we
wanted it to do, every time. When we
installed them in the deck, we drilled
a hole the exact size of the inside diameter of the PVC, and then beveled
the top of the hole to create a funnel of
sorts to aid the actors with positioning
the poles. To prevent any accumulation
of debris inside of the sleeve, the bottom was left with a large opening so
that pressurized air could be applied
from the top to clear the sleeve.
One of the best parts of this solution was that many of the components
came out of scrap. But even if you
needed to purchase all of the materials, it would only run in the neighborhood of $70 plus the cost of the light
on top and almost everything is available from Home Depot. This price
goes down further if multiples are being made.
Complete sleeve with wired contact
springs
Detail view of bottom contact
spring and sleeve
PRICE LIST
Materials
Price
Small Pieces ¾" Plywood
Scrap
10'-0" Poplar Dowel (8)
$160
Copper Tacks
$8
Steel Single-Button Dog-Leg Quick-Release
Connectors. www.mcmaster.com
$14
16 MIL Copper Sheet (12"x 24")
$18
1 ½" Schd 40 PVC Pipe (10'-0")
scrap
Zip Cord (25')
stock
Chandelier (8)
$360
Total Price for 8 Chandelier Poles
$559
SUMMER 2019
|
THEATRE DESIGN & TECHNOLOGY
| 49
http://www.mcmaster.com/spring-buttons
http://www.mcmaster.com/spring-buttons
http://www.mcmaster.com
Theatre Design & Technology - Summer 2019
Table of Contents for the Digital Edition of Theatre Design & Technology - Summer 2019
Contents
Theatre Design & Technology - Summer 2019 - Cover1
Theatre Design & Technology - Summer 2019 - Cover2
Theatre Design & Technology - Summer 2019 - 1
Theatre Design & Technology - Summer 2019 - Contents
Theatre Design & Technology - Summer 2019 - 3
Theatre Design & Technology - Summer 2019 - 4
Theatre Design & Technology - Summer 2019 - 5
Theatre Design & Technology - Summer 2019 - 6
Theatre Design & Technology - Summer 2019 - 7
Theatre Design & Technology - Summer 2019 - 8
Theatre Design & Technology - Summer 2019 - 9
Theatre Design & Technology - Summer 2019 - 10
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Theatre Design & Technology - Summer 2019 - 20
Theatre Design & Technology - Summer 2019 - 21
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Theatre Design & Technology - Summer 2019 - 56
Theatre Design & Technology - Summer 2019 - Cover3
Theatre Design & Technology - Summer 2019 - Cover4
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