Denali test engine has 35 percent 3-D printed parts
GE has test run a developmental version of its Advanced Turboprop (ATP) engine that contains 35 percent 3-D printed parts. The ATP will be used in Cessna's new Denali single and is a big part of the sales pitch for the aircraft. GE says 3-D printing saves weight and is more precise than traditional construction methods. "With subtractive manufactured parts and assemblies, you traditionally use bolts, welds or other interfaces to attach the parts together, which adds weight to the engine," Gordon Follin, who runs GE's 3-D printing department, told New Atlas.
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