Meet the Alvin 6500 Team: Francis Elder
![Francis Elder tests the new hydraulicly powered intensifier pump for Alvin’s variable ballast system. The new pump was designed and built in-house and will be able to withstand the pressure at Alvin’s new depth of 6,500 meters. (Daniel Hentz © Woods Hole Oceanographic Institution)](https://ndsf.whoi.edu/wp-content/uploads/sites/96/2021/01/DSC_7108-webexport-1024x576.jpg)
Francis Elder tests the new hydraulically powered intensifier pump for Alvin’s variable ballast system. The new pump was designed and built in-house and will be able to withstand the pressure at Alvin’s new depth of 6,500 meters. (Daniel Hentz © Woods Hole Oceanographic Institution)
Lead Mechanical Engineer Francis Elder helps re-draw Alvin’s future. Read the full interview here.