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DHA Lighting 
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DHA Lighting Animation Disks
Animation disks are available in 12 standard patterns, which produce a wide range of effects. Each disc is available in five sizes to suit the available Animation Motor Units.
Smaller discs are etched from aluminium and anodised black, whilst larger ones are etched from stainless steel, blackened and edged with PVC.
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Pattern 11: Tangential Breakup |
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| Produces a subtle rippling motion, particularly when moving parallel with the lines of the gobo. It is most suitable for rising flames, flowing water and other effects where a single direction of movement is required. | |
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Pattern 12: Radial Breakup |
| Provides a strong regular movement suitable for flickering flames, water ripple, reflected water, and shimmer for heat haze or mirage effects. | |
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Pattern 13: Spiral Breakup |
| Similar to pattern 12 (Radial Breakup)but with some movement at right angles to the main motion, as is seen in wind-blown rain, snow or flames. It is particularly worth experimenting with the angle of the gobo and the orientation of the disc to achieve all the possibilities with this pattern. | |
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Pattern 14: Linear Breakup |
| Provides rhythmic movement and can be used to simulate a breeze through the branches of a tree or rhythmic undulations of sea waves. | |
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Pattern 15: Triangle Breakup |
| Gives a more pronounced and rapid rhythmic effect than Pattern 14 (Linear Breakup) and is suitable for use with split colour as a psychedelic effect or for a rough sea effect. | |
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Pattern 16: Cloud Breakup |
| Designed for a softer directional movement particularly at slow or very slow speeds. Use for cloud effects with cloud gobos or for a soft slow-flowing stream effect. | |
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Pattern 17: Elliptical Breakup |
| Produces bi-directional movement similar to the Spiral Breakup, but with constantly changing direction of movement. This is specifically useful for snow or similar effects where 'flurries' of movement would be expected. | |
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Pattern 18: Dot Breakup |
| Causes motion while maintaining a more focused projection of the gobo image. It is suggested for effects such as falling leaves or rising bubbles. | |
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Pattern 19: Flicker Wheel |
| Can be used in conjunction with a high motor speed for passing train effects or just to break up the beam of a lantern for simple strobe effects. | |
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Pattern 20: Coarse Radial Breakup |
| Particularly effective for animating light from a non-focusing source (non-profile lantern) whilst providing a minimal loss in intensity due to the high 'white to black' ratio of the radial pattern. Also effective for similar uses to radial breakup. | |
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Pattern 21: Coarse Tangential Breakup |
| Most suitable for use in profile lanterns without the use of a gobo, in Fresnel or PC lanterns, or on M16 mini parcans, to create the effect of flames, etc. | |
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Pattern 22: Colour Wheel |
| Accepts five gels (held in place with standard paper fasteners) to give continual colour changes. |
Disc Sizes
The Animation Motor Unit (AMU) is normally placed in the colour runners of the spotlight, and is available in a number of sizes to fit most popular luminaires. Each effect disc is therefore available in a number of sizes as shown below.
| DHA Effect Disc Sizes | |||
| Disc | Diameter | Suitable¹ for Colour Size | |
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| DA | 220 mm | 25 - 85 mm | |
| DB | 285 mm | 100 - 110 mm | |
| DC | 364 mm | 125 - 160 mm | |
| DD | 420 mm | 165 - 185 mm | |
| DE | 516 mm | 190 - 245 mm | |
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