Cad examples

This is a design example post for a potential customer. Luckily no one really looks at my blog.

A simple mechanism drawing. This is a single cylinder casket popper.

This is a ceiling swinger prop. 1 cylinder for each arm and another cylinder to operate the head back and forth.

This is an animatronic coat rack. A cylinder for each arm and one for the head. 

Giant (14' tall) prop erector in it's down position.

And in it's up position. The cylinders can be operated in all my models so that I can check exact movements and make sure there are no interferences.

This is the back of a one off custom prop I built in 2008. A cylinder for the spine turn, 1 for each shoulder and then 1 for each elbow. As you can see I use pillow block bearings on almost every movement of every prop.

An animatronic plant monster I am building. This is it in it's up position with arms open. This design uses over 20 bearings, including a linear bearing for the lower rear slide. 

Same thing, but from the side. There is a cylinder to operate the scissor movement up, one to operate the arms opening, then 3 to operate the head up/down, left/right, and jaw.

Shown in it's closed and collapses position.

From below.

An animatronic sleeping bag kicker. This is to show my methods of cylinder bracket attachment and bearing use. I bolt every cylinder bracket to the frame. I never weld them in place. That way the forces can not fatigue the welds on the brackets, which are the most likely to break. 

A small scissor mechanism I designed. It uses a single cylinder and linear bearing to achieve the scissor action. 

A torture table prop I built. Once again to show cylinder attachements and bearing use.

This is a zombie chaser I built. The body mechanism is driven down the length of the table on a linear bearing and driven by a cable cylinder. There are cylinders for each arm and 1 for the spine/waist movement.

Showing the cable cylinder and linear bearing. I calculate load ratings and life expectancy on all bearings and make sure they can handle well over the loads they will see, and make sure they will last for years with little maintenance.

Same mechanism showing the lower bearing and spine assembly, and my use of a cable carrier for the bodies airlines, so that they can not be damaged by the forward and backward movement along the table.

An overall view of the model.

Below is a machine I did at my day job. I did a lot of the engineering and most of the assembly and manufacturing. 

Fire retardents

Flame stop, Christopher Obal http://www.flamestop.com/
Flame stop 1, cloth "b", 1500-2000sf/5gal 5gal = $190
Flame stop 2, wood "a", 125sf/gal 55gal = $1333.33
Flame stop 3, latex paint additive "b", 1pt/gal $28.99/pt?
1000 4x8 double sided = 64;000sf = 512 gal = $13,333.30
100 gallons of paint = 100pt = $2899.00


Universal fire shield, Bill http://www.firechemicals.com/
F2000 cloth 300sf/gal $52.95 $239.75/5gal 2 coats
FK-100 wood 1gal=200sf @2coats $288.95 5gal
LPA-202 latex paint additive 1gal = 8gal $322.50/ 5gal
1000 4 x8 double sided = 64,000sf = 320 gal = $17,853.80
100 gallons of paint = 13gal = $974.00


New york fire shield http://www.nyfs.com/
Inspectashield cloth 400sf/gal
Wood 300sf/gal $1229.25 55gal
1000 4x8 double side 64;000 sf 213gal $4917

Final Conclusions: Treat plywood and walls with Inspectashield from NYFS and treat all paint with LPA-202 from Universal Fire Shield.

Rosco gobos

This is a list, for my own records, of Rosco Gobos which I may use in the future. I looked thru every single one on their website.

8105 pumpkin
8106 eyes
7234 witch
7630, 7177, 7178, 7176 lightning
7948 pumpkin
7949 skull and cross bones
7129 spider webs
8101 trick or treat
8104 witch
7557 skeleton
8102 haunted house
7556 dracula
7963 arrow
7965 radiation
8069 cog
8103, 7553 ghost
7555 witch

For my own reference, I wanted to find what the different par can size lights represented in actual dimensions.

Par can = 1/8"
16 = 2" 50mm
36 = 4.5" 114mm
38 = 4.75" 121mm
46 = 5:75
56 = 7 178mm
64 = 8 203mm

12 and 24vdc wire size charts

Insert charts

Scene coverings

Camo 7'10" x 255' 2000sf $800 $.40/sf
Jute 48" x 225' 900sf $75 $.06/sf
Burlap 7oz 6' x 750' 4500sf $370 $.082/sf
Black 4mil fire retardent plastic 20'x100' 2000sf $160 $.08/sf

Speaker/zip wire

Zip wire

12ga Partsexpress.com $505/1000'
14ga Partsexpress.com $320/1000'
16ga Partsexpress.com $210/1000'
18ga Partsexpress.com $143/1000'
24ga Jameco.com $54/1000'

Jameco partsexpress wiringproducts

Speaker wire

12ga Monoprice.com $.243/
14ga Monoprice.com $.18/
16ga Monoprice.com $.13/
18ga Monoprice.com $.09/

Jameco cablewholesale monoprice

20w 8ohm
1-75' 18ga
76-120 16ga
121-190 14ga
200-300 12ga

Camo Netting

Vtarmynavy.com

9' 10" x 99' 3d $395
7' x 255' 3d budget $460 not flame retardent
7' x 255' 3d green $599 flame retardent
7' x 255' 3d black $699 flame retardent

Digitalsl.com

8' x 255' $849 flame retardent

Scareproducts.com

Usnetting.com

Camonettingstore.com