Stagecraft Final Studying

What are Scott's rules on scenery?

Lightweight, portable, easily constructed, lasts as long as necessary.

Compression force?

Squish it together -> <-

Tension force?

Pull it apart

Shear force?

Perpendicular force

Torque force?

Force that causes a rotation

Buckle?

Too much force, it breaks

What is a materials data sheet (MSDS)?

The thing, the specs, and considerations

Actual size of a 1x4?

3/4" x 3-1/2"

Actual size of a 2x4?

1 1/2" x 3 1/2"

What is SPF?

Spruce, pine, fir

Is hardwood or softwood most often used for scenery?

Softwood

What kinds of trees are softwood?

Coniferous trees

What kinds of trees are hardwood?

Deciduous trees

Define S4S

Surfaced 4 sides

Define S2S

Surfaced 2 sides

Define linear feet

Length

Define board feet

volume of wood

What is 1 board foot?

144 cu in.

Factors when buying steel?

Gauge and length

Nominal vs actual size in steel?

The same

Aluminum? Discuss

Lighter, more expensive. Good for outdoors. Used for truss.

Size factors of sheet goods

Length, width, and thickness

Structure of plywood

Veneer on top of core, sometimes different trees for each

Define masonite

Compressed wood/paper fibers

Define MDF

Medium density fiberboard

Define hard scenery

Cannot fold up (Windows, walls, doors, floors)

Define soft scenery

Can fold up (curtains, drapes, masking, drops)

Soft cover vs hard cover flat?

Fabric cover vs. ply

Framed on face?

Broadway

Framed on edge?

Hollywood

Stiles?

Vertical

Rails?

Horizontal

Toggle

Middle support

Corner block?

corner bracing

Strap?

Toggle bracing

Assembly of broadway flats?

Glue and staple

Assembly of hollywood flats?

Glue and screw

What size gap on corner blocks, straps, etc?

1"

What is a seam catch?

T shaped toggle on Hollywood for more attachment surface area

Concave?

curved inward

Convex?

curved outward

Define curve

Anything not square

Define trammel points

Beam compass points

Beam compass

compass where arm is extended by beam; allows large circles to be drawn

How to face inside of arch?

Bendyply

Soft cover or hard cover for curved flats?

Hard cover

Thickness of bendyply?

3/8"

Kerf

A cut or channel made by a saw to allow bending

How to frame arch?

Ribs

Joining flats: Scab?

Piece of plywood across seam between two flats

Tight pin hinge:

A hinge in which the center pin cannot be removed

Loose pin hinge

a hinge having a removable pin which permits its two parts to be separated.

How would a batten be attached to the back of flats?

Hinges

Hogs trough

L shaped stiffener across back of flats

Jack

Props up flats, right triangle shape

What aids Jacks in keeping flats up?

Weights (stage weights, sandbags, bricks)

Two ways to join hollywoods

Screws or bolts

Perks of using bolts to join hollywoods?

Easier to install in space

Purpose of stiffeners

to support the seams

Layers of a platform?

Frame, lid, surface

Tributary area

The area supported by an individual part of a frame

What is a stressed skin platform?

A platform that has a 1/4 ply layer on the bottom to create a beam function

Considerations for platforms

Span and load

What is a load increase factor?

What causes the load to be greater (ex. dancing)

Define span

Area between legs/supports

What type of force is hardware in when connecting platforms?

Shear

Lip and block?

Overlap to align platforms top to bottom

Type of latch to connect platforms?

Coffin latch

Tongue and groove

Way of attaching platforms where one side is positive and one is negative, they fit together

Spline

Similar to tongue and groove except the "tongue" is removable and replaceable

How many threads per inch on a 1/4" UNC bolt?

20

Why do we almost always elevate platforms in some way?

Floors are not always even, easier to control using legs

Ways to elevate platforms? (4)

Compression legs, crown/castle boxes, stud walls, parallel gates

What nominal size of wood is usually used to build flats?

1x4

What nominal size of wood is usually used to build platforms?

2x4

What are the limitations of a compression leg?

As it gets longer, it is more likely to bow

How do you attach a compression leg?

Scab

How do you reinforce compression legs as they get higher?

Cross bracing/x cross bracing

What are the benefits of using crown boxes?

Help hold platforms together, easy to put together and transport, quick and easy to set up

What are parallel gates?

Broadway flats attached together with hinges to create a foldable frame to elevate a platform

Define rake

Angled stage floor, ramp

What is an equity rake?

3/4in x 1ft

What is an ADA rake?

1in x 1ft

What types of molding are vertical where two flats meet perpendicularly?

inside/outside corner

What is a frieze?

Visual interest in between the crown and picture rail molding?

What molding is in the same placement as a wainscot cap but without wainscoting?

Chair rail

Where is the crown molding?

The top

Panel vs frame molding?

Panel is solid, frame is hollow

Where is shoe molding?

The bottom

Name the pieces of molding on a door

Jamb, stop mold, casing, plinth block, rosette

What is it called when you cut out the molding profile where two pieces join?

Coping

What is a return?

"returning" the molding to the wall

Better to build or buy doors?

Buy

How is a door framed differently than a flat?

The stiles cap the rails

Define sill iron

Piece that connects the bottom of the door frame and attaches to the floor

What is a key thing to know about hardware when installing doors?

Use real door hardware

Define fixed/picture window

Does not open

What is a double hung window?

Two sashes, with the upper on the outside

Define casement window

Opens like a door

Define mullions and muntins

Vertical and horizontal bars on a window grille