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Old aircrafts extravagant in fuel ???


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#1
AnthonySucai

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Is that true that old aircrafts extravagant in fuel ??? I know old aircrafts have higher maintenance cost and their range gets shorter. But how about the fuel consumption? TQ



#2
KJS607

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Is that true that old aircrafts extravagant in fuel ??? I know old aircrafts have higher maintenance cost and their range gets shorter. But how about the fuel consumption? TQ

They tend to use more fuel, yes, but so not use more fuel the older they get :)


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#3
KJS607

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planes have outright engine changes in their lifetimes? [and thus the 10 year old DC-9 may be on it's first engine, while an older one may be using a 2nd, younger one and thus less fuel flow.]
 

So a 45 yr old DC-9 could have brand new engines meaning factory-fresh performance.

 

Also, some plane can be fitted with kits, winglets, enhancements etc. to help fuel flow aswell as some aircraft being able to be retrofitted with a newer engine type completely.


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#4
Sheepy

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So a 45 yr old DC-9 could have brand new engines meaning factory-fresh performance.

 

Factory fresh still being 45 years out of date...


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