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Titanium Propellers- Please help

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#1

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11-09-2008, 12:15 AM

Chas H

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Originally Posted by Brian Carlton

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If you are at an airport and look into the front of any of the large turbofans, you'll see the giant front fan with anywhere between 32 and 42 blades. Each blade weighs about 15 lb. on large engine and is approx. 24" in length. The blade was made from a solid block of titanium in most engines and it costs well over $25,000. to make.

Aren't the blades investment cast? Titanium is not easy to machine.

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#2

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11-09-2008, 10:49 AM

Brian Carlton Brian Carlton is offline

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Quote:

Originally Posted by Chas H

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Aren't the blades investment cast? Titanium is not easy to machine.

Yes, I'm sure they start with something less than a full block..........the machining of a complete block would definitely take forever.

Some of the new blades are cast with a hollow core. That's quite a feat.............

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