Type G-9 fuel pumps (B-25)

Discussion in 'Engines' started by toddlt, Mar 2, 2010.

  1. toddlt

    toddlt New Member

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    Hello,

    Does anyone have any information on Type G-9 fuel pumps?
    Such fuel pumps were in B-25.


    Thanks in advance.
     
  2. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    What type of info? Who was the manufacturer? Do you have a photo?
     
  3. toddlt

    toddlt New Member

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    To look at the photo of that fuel pump would be the most important.
     
  4. jugggo

    jugggo Member

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    Hey Toddlt

    LABAS <S>
     
  5. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    From the little information I have with me, I show that the B-25 had 4 boost pumps, 2 fed the engines and 2 transfered fuel. If I'm not mistaken these pumps were made by Pesco, but I didn't find any part number.
     
  6. ozhawk40

    ozhawk40 Active Member

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    From the C/D manual. The manual mentions these are made by "Thomson" but that's about it.
     

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  7. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    Thanks Oz - tod , is this the pump?
     
  8. toddlt

    toddlt New Member

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    Thanks for picture. I am not sure about meaning of the booster pump and the fuel pump. Does it mean the same thing?

    @jugggo, labas
     
  9. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    Not all engines had fuel pumps attached to them. Somtimes either gravity or suction flow ensured fue flow to the engine. Manytimes you had a pump between the fuel tank and engine that ensured fuel flow during critical times if fuel wasn't free flowing to the engine, this is referred as a boost pump. At the same time there might be a neccessity to move fuel from one tank to another or to feed a left engine from the right tank. A series of valves and fuel boost pumps accomplished this.
     
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