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Sanderson Engine
Development, LLC
410 Great Road
Suite A-4
Littleton, MA 01460
 

Animations and Videos

Need to see it for yourself? Or need to better understand the basic principles behind the S-RAM?

Click on any animation to see it run in a separate window.

video of Sanderson Balance  

Design Model Used to Balance Sanderson Designs

Conceptual model illustrates balancing principle (yellow counter-weight) of S-RAM mechanism.
     
video of variable Displacement waterjet Cutting Pump  

Kinematic Movie of a Variable Displacement Waterjet Cutting Pump (55,000psi)

S-RAM water pump illustration. Pink/green ratchet and gear mechanism enables varying of stroke or displacement.
     
video of a 6-piston water pump  

Kinematic Movie of a Six Piston Water Pump

Double-ended S-RAM pistons effectively double the capacity of the pump without significantly increasing the size of the housing.
     
video of a fractional air compressor  

Kinematic Movie of a Fractional HP Air Compressor

The S-RAM mechanism is capable of being scaled down to the size of a fractional HP model such as the compressor concept model shown here..
     
65 HP Hydraulic Motor/Pump  

S-RAM concept for engine or compressor

Showing adjustment of compressor ratio by varying stroke from full to zero.
     
video of 65hp Hydraulic motor/pump, part 2  

65 HP Hydraulic Motor/Pump

Model of 65 HP S-RAM hydraulic motor/pump.
     
video of SED's first working engine model  

Bob Sanderson presenting SED’s first air motor prototype

Robert Sanderson, inventor of the S-RAM principle, is shown demonstrating an early prototype “air motor.”

 

  

Our videos and animations are developed to aid in your initial understanding of how our S-RAM technology works and how it is adaptable to a wide range of applications. Our 3D animated CAD animations can be particularly helpful for understanding the most basic principles.