100% Employee Owned, Founded 1954

Case Study: Weight Distribution Monitoring System Rotates H.L. Hunley

Case Study: Weight Distribution Monitoring System Rotates H.L. Hunley 1

J.A. King is Now Cross Precision Measurement!

Same team, same expertise. This case study was performed by our precision measurement team before becoming Cross Precision Measurement. Learn more about our history.

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The J.A. King team is proud to have been a part of the raising and righting of the H.L. Hunley Submarine in Charleston, SC. Our Integrated Solutions Division designed and built the monitoring system that showed and recorded in real-time the weight distribution across the submarine as it was being rotated. This system allowed the Hunley project engineers to monitor the horizontal and vertical loads using 36 custom engineered load monitoring plates.

Our custom engineered monitoring system was the instrumentation system and software that the engineers used to determine exactly how much to move each sling – millimeters at a time over 2.5 days. This level of monitoring was extremely pertinent as to not damage parts of the vessel when rotating.

Take a look at some of the highlight videos and fill out our contact form to see how our team can help your operation on a weight distribution project today!

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In the meantime, enjoy these fun facts…

Did you know... the precision measurement group at Cross was founded in 1939 by our current CEO's grandfather, Jim King. That's a whole lot of calibration!
Did you know... A fingerprint weighs about 50 micrograms. We know, we weighed it! The residue left from a finger can actually make a difference in weight results which is why we wear gloves when we calibrate weights. For reference, a sheet to paper is about 4.5 grams, that’s 4.5 million micrograms.
Did you know… Cross Company is an ESOP (Employee Stock Ownership Plan). Our ESOP started in 1979 and as of 2006, we are a 100% employee owned! Learn more about our ESOP and how that benefits both team members and our customers.
Did you know… Cross Company has grown significantly since our start in 1954. Over the years we've acquired 26 companies! Today, our five groups have expertise in everything from industrial automation to precision measurement, and industry knowledge going all the way back to 1939.