Some years ago I bought a compressor blade on ebay but I don't know which jet engine it's from.
It's quite light. I tried to determine the density by the help of my kitchen equipment and it's most likely made of aluminum. Density 2.something g/cm3. Not even close to titanium 4.5 g/cm3 - even considering my home made volume measurement;)
5013 and 30815 (hand graved)
But I can't figure out the exact type. I read at wiki that old engines had indeed aluminum blades e.g. RB108. Pinhole in the foot might point to Conway or Spey? Unfortunately, good pics at Google are very limited for easy web research.
I hope someone can help me.
Thanx in advance ;)