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I bought these from a metal scrapper and paid about $30.00 total figuring they're worth more than that in cool factor. Problem is they aren't nearly as cool if I can't figure out what engine (and hopefully aircraft) they come from. All I know is the compressor blade is titanium and the turbine blade has a high nickel content. So here I am hoping someone has an idea.

Also what might cause the wear patterns at the tip of the turbine blade? I appears like it may be cracked and then repaired. I cant imagine they would repair damage that extensive.

I cant find any pitting on the edges of either blade, leading me to believe neither blade was ever used, is my thinking correct?

Turbine blade

source album

Markings:
Suction side

  • 1475M85 (Possible 1475M35)
  • BF P01 C (could potentially be a G at the end)

Pressure side

  • FDW157B9

TE

  • 1435P02
  • 59669 (hard to see, could be something else)
  • G12P

Compressor blade

source album

Markings
Foot:

  • B778503 FC
  • MOJR
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    $\begingroup$ It might not have even come from an aircraft engine either. $\endgroup$
    – Romeo_4808N
    Commented Nov 8, 2017 at 17:10
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    $\begingroup$ It may help if you include some measurements. $\endgroup$
    – Ron Beyer
    Commented Nov 8, 2017 at 18:44
  • $\begingroup$ @LeonelArteaga Since the OP hasn't been on-line here in several years, I doubt he'll see your offer. Since we don't really like to use SE as a classified advertising forum, I'm going to delete your post -- also because it includes your phone number, which may be unwise to have available like this to the world-wide internet. It's possible to initiate a private chat room if you want to talk with a particular user, and that might be best in the future. $\endgroup$
    – Ralph J ♦
    Commented Apr 15 at 22:36
  • $\begingroup$ The compressor blades are Ti alloy, probably Ti-6Al-4V which is commonly used in fan and first couple of compressor rotor blades. It is genarrally better to not ask multiple questions in a single question. The damage and repair part should be a question on it's own. I can't answer it now as I need to duplicate a lot of information that is already answered on what part they are and from which engine. Note that it is scrap, it is not worth much, if new, you would be able to buy a car from selling a single turbine blade. $\endgroup$
    – 0scar
    Commented Apr 19 at 7:19

2 Answers 2

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Turbine Blade The turbine blade (part number 1475M35P01) is from the High Pressure Turbine (HPT) a CFM56-3 according to this ATSB report on performance testing of the engine. The report contains several images of blades which look similar to your photos.

Compressor blade A search on locatory.com for the part number (B778503) lists the description as C-3 suggesting it could be a Stage 3 compressor blade. This would fit with the high aspect ratio of your blade.

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The part number on the turbine blade shows it comes from a CFM56-3 series (Boeing 737 classic). No hits on the compressor blade, but it looks similar to one from the same engine.

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