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737 Static Thrust (Read 463 times)
Mar 17th, 2004 at 5:39am
philsymonds   Ex Member

 
I seem to have aquired a shed load of 737's, ranging from the 200 series up to the 800.  There's a massive variance of static thrust figures in different flight models.  Even those of the same type!  I have one 737-400 with 23,500 and a 737-500 with 29,950.  That seems way too high.  Anyone know the correct numbers?

Phil
 
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Reply #1 - Mar 17th, 2004 at 7:33am

zcottovision   Offline
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CoF forum paging Nexus82.....
 
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Reply #2 - Mar 17th, 2004 at 8:59am

Nexus   Offline
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The 737-500 has a engine rating of 18.500 or 82.3 kN
The 737-400 is rated somewhere around 22.000 (97.9kN)
I'm at work now so I don't have the exact figures, I might be wrong. Will double check later.

Smiley
 
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Reply #3 - Mar 18th, 2004 at 10:54am

IanK   Offline
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Hello Phil,
what engines do you think they use as different airlines use different  on the same series?

     (5 MINS)                                          
Type      MAX TO      @      MAX CNS.      Air Flow      sfc      dia      area      Air Flow Density
JT8D-1/7      14000      28.9°C      126000      315      0.585      42.5      9.8607      31.94
JT8D-9      14500      28.9°C      12600      319      0.585      42.5      9.8607      32.35
JT8D-11      15000      28.9°C      12600      322      0.62      42.5      9.8607      32.65
JT8D-15(A)      15500      28.9°C      13750      322      0.63      42.5      9.8607      32.65
JT8D-17(A)      16000      28.9°C      15200      324                        
JT8D-17(A)R      17400            15200      326                        
     lb.s.t      OAT      lb.s.t      lb/sec      h^-1      in      ft^2      lb/ft^2/sec


Sorry about the layout but I did try  Smiley
Ian
 
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Reply #4 - Mar 18th, 2004 at 9:43pm

Nexus   Offline
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Oh Ian, we don't wanna go there Wink
I believe the 737-500 can be fitted with 2 different types of the CFM56-3, both with different thrust settings.
I think the 18.500 corresponds to the CFM56-3-B1R

According to CFM, their CFM56-3 series has a rating ranging from 18,500 – 23,500 pounds thrust.
So basically, the 737-500 can also have a thrust at 23.500, but NOT as high as philsymonds 737-500, which had a static thrust at 29.950 Smiley


 
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Reply #5 - Mar 19th, 2004 at 4:38am

IanK   Offline
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Hello Nexus, so lets go here:
CFM56-
3B1 20000 lbst 737-300/500
3B2 22000 -300/400
3C1 23500 -400
7B18 19500 -600
7B20 20600 -600/700
7B22 22700 -600/700
7B24 24200 -700/800
7B26 26300 -800

Source: AW&ST 17 Jan 2000
Did I miss anything? I also have SFC & eng weights.
Ian
 
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Reply #6 - Mar 19th, 2004 at 7:49am

Nexus   Offline
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Well, the CFM56-7b series is only fitted on the Next Generation 737's.
The 7b-series has a better climb and cruise thrust performance than it's predecessors, which is needed since the NG's are heavier than earlier versions.

The 737-600 has to be the most overpowered Boeing aircraft ever.  Smiley
 
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Reply #7 - Mar 19th, 2004 at 11:38am
philsymonds   Ex Member

 
Thanks, more than enough info there ??? Roll Eyes
 
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