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Some nice US 8th Airforce finds 30/1/11

Article about: Hi everyone iv been back at it again. Today i took some pictures as they came out the ground sorry there not very good i was useing a phone cam. lots of photos to come so keep poping back. H

  1. #21

    Default re: Some nice US 8th Airforce finds 30/1/11

    I concur with Paul & Ian, the remains are part of a Turbo Supercharger Cooling Convection Cap, this was bolted above the bucket wheel on two curved brackets with the scoop facing into wind, this ducted cold air to the central exhaust side of the bucket wheel to prevent the vanes from overheating.

    The whole charger unit had a maze of ductings squirting air all around the main compression chamber to keep the unit cool enough to prevent the lubricating oil from reaching flash point & igniting, the material used is AAF Spec AN-QQ-S-757 or commercially known as Stainless 321, however after repeated heating & cooling cycles the material becomes very brittle & crumbles which is probably why your example is incomplete & was discarded.

    Here is a picture of the B-17 & 24 charger units we found with & without the caps. The second picture is a P-47 charger & it's almost twice the size of the other two.
    Click to enlarge the picture Click to enlarge the picture turbolader.jpg   DSCF4454.jpg  

    DSCF4453.jpg  
    Last edited by Bird Dog; 02-01-2011 at 12:14 AM.

  2. #22

    Default re: Some nice US 8th Airforce finds 30/1/11

    Thanks for that Bird Dog very informative and great photos.

    Here is another find i think its a filter from a carburetor?
    Click to enlarge the picture Click to enlarge the picture carb filter 003.jpg   carb filter 002.jpg  

    carb filter 001.jpg  

  3. #23
    ?

    Default re: Some nice US 8th Airforce finds 30/1/11

    Yup, Bendix Stromberg PD-12H2 carburettor screen, as fitted to all Wright Cyclone R-1820-97 engines on B-17s.



    Here's mine:



    PB

  4. #24

    Default re: Some nice US 8th Airforce finds 30/1/11

    Quote by Bird Dog View Post
    Hughes Adaptor Plate for flexible ammunition feed, the Hughes tracking has a sprung loaded fitting on the gun end which slides down over the plate & locks into place, there is a length here awaiting collection....
    Here are some photos of the end of a piece of flexifeed that fits over the adaptor pate and allso some shots of them place on a .50.
    Click to enlarge the picture Click to enlarge the picture FLEXIFEED CLIP 002.jpg   clip 001.jpg  

    FLEXIFEED CLIP 001.jpg   FLEXIFEED CLIP 004.jpg  

    FLEXIFEED CLIP 005.jpg  

  5. #25
    ?

    Default re: Some nice US 8th Airforce finds 30/1/11

    Quote by 381st digger View Post
    This rusty lump would be attached to the side of a 50cal and is the part the flexifeed fits on to. Does anyone know if its got a proper name.?
    Flexible Chute Adapter/Mount Assembly, various types depending on date:

    C-2 (LH feed) 37B2675
    C-2 (RH feed) 37B2675-1

    C-3 (LH feed) 39B3905L
    C-3 (RH feed) 39B3905R

    C-3A (LH feed) 43A6953L
    C-3A (RH feed) 43A6953R

    All types fit both Hughes Aircraft Co. and Smoot-Holman manufactured flexible tracking, the two main patterns used in B-17s and B-24s.

  6. #26

    Default re: Some nice US 8th Airforce finds 30/1/11

    Thanks again Paul I didnt know there were so many types.

    John,
    Here are some of my best tags. Enjoy.
    Click to enlarge the picture Click to enlarge the picture tags 004.jpg   tags 001.jpg  

    tags 003.JPG   tags 002.jpg  


  7. #27

    Default re: Some nice US 8th Airforce finds 30/1/11

    Thanks for sharing you have a great collection

  8. #28

    Default re: Some nice US 8th Airforce finds 30/1/11

    Here are a couple more bits. Is the funny shaped bit with the vents in part of a super charger as well?
    The other part has this scratched on it 8402590FW but its very hard to see.
    Click to enlarge the picture Click to enlarge the picture bits 006.jpg   bits 007.jpg  

    bits 008.jpg   bits 002.jpg  

    bits 004.jpg   bits 005.jpg  

    bits 003.jpg   bits 001.jpg  


  9. #29
    ?

    Default re: Some nice US 8th Airforce finds 30/1/11

    The vent looks similar to the demister between the windscreens on a B-17, give me 5 minutes to check.

  10. #30

    Default re: Some nice US 8th Airforce finds 30/1/11

    Quote by Paul B View Post
    The vent looks similar to the demister between the windscreens on a B-17, give me 5 minutes to check.
    Iv got everthing crossed.

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