Elon Musk tweeted that the Super Heavy booster grid fins will be made of welded steel instead of titanium.
Btw, regarding Super Heavy: given that Falcon 9 grid fins are *already* the largest single piece titanium casting ever (humans for scale in pic below) … how on Earth are you going to manufacture the grid fins needed for Super Heavy!? 🤯 pic.twitter.com/iG6jQovyvt
Elon Musk in his Starship presentation had said that the Mark 3 version of Starship would be the version that goes to orbit. Recent video of the construction shows that new single seam rings are being made. Those would appear to be the first rings for a Mark 3 Starship.
SOURCES- SpaceX, Elon Musk, LabPadre Youtube
Written By Brian Wang, Nextbigfuture.com
Brian Wang is a prolific business-oriented writer of emerging and disruptive technologies. He is known for insightful articles that combine business and technical analysis that catches the attention of the general public and is also useful for those in the industries. He is the sole author and writer of nextbigfuture.com, the top online science blog. He is also involved in angel investing and raising funds for breakthrough technology startup companies.
He gave the recent keynote presentation at Monte Jade event with a talk entitled the Future for You.  He gave an annual update on molecular nanotechnology at Singularity University on nanotechnology, gave a TEDX talk on energy, and advises USC ASTE 527 (advanced space projects program). He has been interviewed for radio, professional organizations. podcasts and corporate events. He was recently interviewed by the radio program Steel on Steel on satellites and high altitude balloons that will track all movement in many parts of the USA.
He fundraises for various high impact technology companies and has worked in computer technology, insurance, healthcare and with corporate finance.
He has substantial familiarity with a broad range of breakthrough technologies like age reversal and antiaging, quantum computers, artificial intelligence, ocean tech, agtech, nuclear fission, advanced nuclear fission, space propulsion, satellites, imaging, molecular nanotechnology, biotechnology, medicine, blockchain, crypto and many other areas.
