appreciated

Hello everyone..I am new to this forum and hope someone can help. I recently purchased an N-3C gun sight and assumed the reticle would be in it. Well, it was not. I can't find part numbers for any reticles and want to know does anyone know where I can get my hands on one. Any help would be...

On the fuselage side of American a/c above the stenciled data block there is something called the Special Project Number. I could not find anything definitive that said what this is for. Any help would be greatly appreciated.

Does anyone have a J-85 jet engine manual? I've been looking for information about it and cannot find any of the real technical stuff. Any help is appreciated.

Hi, does anyone have any pictures/drawings of the Hütter Hü 211? Any help would be greatly appreciated.

Hi, could anyone please give me the dimensions of the bomb bays if the B-29? I've looked nearly everywhere, but couldn't find a thing! Any help would be greatly appreciated, thank you.

Hi, I'm trying to identify the plane my Grandfather is standing in front of? Everyone in the family seems to think he flew as a radio operator on the B-25 Mitchell, but from what I can tell, the B-25 was a tricycle gear and much larger. Any help is much appreciated!