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Old 19th Feb 2008, 23:34
  #155 (permalink)  
Machaca
 
Join Date: Jul 2007
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Fuel Pump Temps & Pressures

Pumps made by Argo-Tech

excerpts from FAA TYPE CERT. DATA SHEET E00050EN (covers RR Trent 895-17):


NOTE 3. MAXIMUM PERMISSIBLE TEMPERATURES

FUEL
At outlet from HP fuel pump
xxUnrestricted xxxxxxxxxxxxxxxxxxxxxxx140C
xxMax. during transient overshoots on
xxreducing rpm (15 min. limit) xxxxxxxxx165C


NOTE 4. FUEL AND OIL PRESSURE LIMITS

FUEL

MINIMUM FUEL PRESSURE
Between sea level and 45,000 feet, not less than 5 psig plus true fuel vapor pressure, measured at inlet to engine LP fuel pump.

Maximum pressure at the engine inlet (measured at inlet of LP fuel pump)
xxContinuous xxxxxxxxxxxxxxxxxxxxxx60 psig
xxTransient xxxxxxxxxxxxxxxxxxxxxxx70 psig
xxStatic xxxxxxxxxxxxxxxxxxxxxxxxx170 psig



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