Theatre Design & Technology - Dec 1965 - 24
structure by a flexible mounting ta allow for vertical
movements of 1/4" or less. The other unit was
then mounted at the stage manager's station so that
an arrow fixed to the selsyn shaft became the pointer
on a dial about fourteen inches in diameter. On the
face of the back-lit dial was placed all of the preset marks, as positioned on the deck. Once the
"power cut-off" marks were determined and added
to the dia I face, the revolve could be accurately
positioned on the mark each night, which also was a
great help to lights. Other systems of positioning
were considered, such as luminous tape marks,
phosphorescent paint, etc., but the number of wagon
positions and the number of shifts that the unit
made in total blackout, made these systems unsuitable.
Construction shot, showing drive units for the wagon and elevator
Another feature of interest in the wagon was the
self-contained elevator. This elevator, used for Don
Juan's descent into hell was of parallelogram configuration, and of welded angle-iron construction. It
was rigged with 1/4" steel cables running to a
powered worm-drive winch mounted on the revolve
unit. The winch had a working ratio of twenty-four
to one, further reduced through the use of a pu Iley
reduction of five-to-one. The mechanical linkage
between the one-half hp. reversible A.C. motor and
the winch was, again, by "V" belt.
The elevator unit ot high trim (shown during construction)
Close-up of the drive wheel ond 5 hp. moto"
seen through on acces
5
hole
Electrical power for the drive unit, as well as
the selsyn indicator, a fog machine, a pyrotechnic
fireball effect, the elevator for Don Juan's descent,
a set of wall sconces, "hell-fire" effect lights, an
intercom line, (there was a crew member stationed
in the wagon) and a flourescent work light, was
supplied through one rubber-jacketed cable, containing thirty-s ix It 16 stranded conductors wh ich entered
the wagon through a hole one foot from the eccentric
pivot of the wagon.
24
IUSlTT
THEATRE DfSIGN AND TECHNOlOOY
Table of Contents for the Digital Edition of Theatre Design & Technology - Dec 1965
Contents
Theatre Design & Technology - Dec 1965 - 1
Theatre Design & Technology - Dec 1965 - 2
Theatre Design & Technology - Dec 1965 - 3
Theatre Design & Technology - Dec 1965 - Contents
Theatre Design & Technology - Dec 1965 - 5
Theatre Design & Technology - Dec 1965 - 6
Theatre Design & Technology - Dec 1965 - 7
Theatre Design & Technology - Dec 1965 - 8
Theatre Design & Technology - Dec 1965 - 9
Theatre Design & Technology - Dec 1965 - 10
Theatre Design & Technology - Dec 1965 - 11
Theatre Design & Technology - Dec 1965 - 12
Theatre Design & Technology - Dec 1965 - 13
Theatre Design & Technology - Dec 1965 - 14
Theatre Design & Technology - Dec 1965 - 15
Theatre Design & Technology - Dec 1965 - 16
Theatre Design & Technology - Dec 1965 - 17
Theatre Design & Technology - Dec 1965 - 18
Theatre Design & Technology - Dec 1965 - 19
Theatre Design & Technology - Dec 1965 - 20
Theatre Design & Technology - Dec 1965 - 21
Theatre Design & Technology - Dec 1965 - 22
Theatre Design & Technology - Dec 1965 - 23
Theatre Design & Technology - Dec 1965 - 24
Theatre Design & Technology - Dec 1965 - 25
Theatre Design & Technology - Dec 1965 - 26
Theatre Design & Technology - Dec 1965 - 27
Theatre Design & Technology - Dec 1965 - 28
Theatre Design & Technology - Dec 1965 - 29
Theatre Design & Technology - Dec 1965 - 30
Theatre Design & Technology - Dec 1965 - 31
Theatre Design & Technology - Dec 1965 - 32
Theatre Design & Technology - Dec 1965 - 33
Theatre Design & Technology - Dec 1965 - 34
Theatre Design & Technology - Dec 1965 - 35
Theatre Design & Technology - Dec 1965 - 36
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