USITT 2017 Tech Expo Guide - 39

Tech EXPO 2017
Compact, Low-Cost, Conveyor Belt-Style Leaf Drop Exhibit No. 14
By Nils Emerson
MFA Candidate, Technical Direction
University of Missouri-Kansas City

A Challenge Assigned
"The parameters for the challenge: A leaf drop lasting
five minutes during the final scene of a quiet drama.
The leaf volume should be of a moderate pace and
amount, occurring at multiple, isolated points on
stage. The space is an intimate black box. This effect
has been requested by the design team at the production meeting after your second 10-out-of-12 of the
tech weekend. Also, the budget has been spent, and
first preview is in two days."
That was the assignment given to us in our Elegant Solutions course taught by Chaz Bell, Assistant
Teaching Professor of Theatre Technology at UMKC.
The black box space was the theatre department's
experimental space, the infamous Room 116 at the
Performing Arts Center.
The overall footprint of the room is 20' by 30'.
There is a 1-1/2 Sched. 40 pipe grid hung at 16' with
approximately 20 inches of space between the top of
the grid and ceiling.
Other considerations beyond the given parameters:
* Noise-the space is tight and the audience will be
close.
* Real Estate-space above the pipe grid at this point
in the schedule is limited.
* "Moderate pace and volume" is not a measurement-we'll need the flow to accommodate art.
* Unskilled undergraduate crew labor-reloading
this device needs to be relatively simple.

Figure 1

My solution was inspired by a device that I worked
with as the Stage Crew Supervisor the previous summer at the Utah Shakespeare Festival. For the 2015
production of Henry IV part 2 at Utah Shakes, Vicky
Smith's design called for a rose petal burst during the
coronation in scene 5.5. Technical Director Brian
Swanson adapted and motorized a conveyor belt style
solution that had been used in an earlier season of the
Festival (the origins of this device seem to be lost to
antiquity).
Operating Principle/Mechanism Design
The delivery system would require two roller barrels, a frame to hold them, a cloth belt to go between
them, and a variable speed motor to drive them. The
basic principal is to have a cloth conveyor belt, loaded
with leaves all along its legth, rolled up on a free spin-

Figure 2

Biennial Theatre Technology Exhibit 2017

39



Table of Contents for the Digital Edition of USITT 2017 Tech Expo Guide

Contents
USITT 2017 Tech Expo Guide - Cover1
USITT 2017 Tech Expo Guide - Cover2
USITT 2017 Tech Expo Guide - Contents
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https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965May
https://www.nxtbookmedia.com