Type G-9 fuel pumps (B-25) (1 Viewer)

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toddlt

Airman
20
0
Nov 23, 2008
Vilnius
Hello,

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


Thanks in advance.
 
To look at the photo of that fuel pump would be the most important.

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

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  • Booster pump B-25CD.jpg
    Booster pump B-25CD.jpg
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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
 
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

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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