The Construction Process

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Step 1: Mounting the LED Generator

Step 2: Mounting the Geneva Drive Wheel

Step 3: Mounting the Maltese Cross

The heart of a movie projector is the Geneva Drive.

This is the mechanism that momentarily stops the film from from advancing so that it can project the image on the screen long enough to be sensed by the human eye. It consists of a drive wheel with two pins and a slotted driven wheel known as a "Maltese Cross".

The video below shows how this ingenious design works:

Step 4: Lens Assembly

 

You can slide the lens to focus the image

Steps 5 and 6: Doors

Step 7: Frame sides

Step 8: Frame base

Step 9: Crank Gear Assembly

Turning the crank advances the film and lights the LED

Step 10 - Stand and Film Guides (L)

Step 10 - Stand and Film Guides (R)

Step 11 - LED Housing and Film Guides

Step 12 - Top of Housing

Step 13 - Housing Door

Step 14 - Supply Reel

Step 15 - Takeup Reel

Step 16 - Attaching the Reels and Threading the Film

An inside look at the sprocket wheels that move the film

Done!