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Lanterns for LD Assistant


David Ripley

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Hi all

 

I am currently creating a 3D library of UK lanterns for LD Assistant. I am adding what is now obsolete equipment but still found in many theatres.

 

I have details on most of the Strand stuff but don't have any dimensions for the Patt 743. A data sheet will do as I can scale from that. Unfortunately the Strand Archive doesn't have this so I'm not overly optimistic. Although these don't need to show every rivet I want them to show the overall shape and size

 

Failing that anyone fancy measuring one for me?

 

Also if anyone has any requests for particular lanterns, please let me know at ldassistant@cad4theatre.org.uk

 

The lanterns created so far are

 

Alto

Cantata/Optique

Prelude

Quartet

Minim

Patt 23/123/264/243/252

 

Many thanks in advance

 

David

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Hi Neil

 

I won't ask why you have one at home!

 

Dims required are length, width and depth of body including narrowest and widest parts as I think it's slightly curved, yoke dimensions and lens assembly diameters and depths.

 

I have photo references so if I have that I can work out the rest

 

Please send it to me at ldassistant@cad4theatre.org.uk

 

Many thanks

 

David

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In answer to your first question, there is a pair, mounted on a perch in my stairwell, wired to light up the hallway in my house (F*ck the leccie bill).

 

Images:

http://i45.photobucket.com/albums/f86/neilhampson/DSCF3894.jpg

http://i45.photobucket.com/albums/f86/neilhampson/DSCF3895.jpg

http://i45.photobucket.com/albums/f86/neilhampson/DSCF3896.jpg

 

Dimensions:

 

Yoke, 3x40mm steel

Max Width: 322mm

Height from pivot hole to top edge: 255

 

Lens carrier

OD: 225mm

ID: 205mm

Thickness: 35mm (not including gel frame tabs)

Gel Frame tabs: 28mm

Lens OD: 200mm

Lens Thickness: 11mm

 

Looking from front, (not including focus knob)

Widest part of Body: 230mm

highest part of Body: 230mm (note lens is not centered, it sita about 10mm higher than center)

 

Looking at side,

Length of body (not including lens carrier or focus knob): 260mm

Pivot position: 105mm from front face (not inc. lens carrier) (vertically centered)

 

Rear focus and tilt knobs,

55mm OD

40mm total depth

 

Tilt lock discs are riveted to both sides to allow the lock off knob to be fitted to either side, the tilt lock disc is 95mm Dia.

 

Let me know if you need anything else, I don't have any original barndoors at home, the ones I have are Ex-TV and are by comparison to the original ones, huge so I don't see the point of giving you these dimensions

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The 3D Strand Lanterns are now finished and up on the cad4theatre website www.cad4theatre.org.uk

 

The lanterns included are

 

Alto

Cadenza

Cantata

Harmony

Iris

Prelude

Brio

Quartet

Minim

Patt 123, 23, 264, 743, 243, 252

 

I didn't include SL as these are already in LD Assistant

 

They are all blocks within one drawing for ease of downloading

 

Enjoy!

 

David

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