hinckley
Posts: 306
Joined: Mon Jan 09, 2006 10:53 am

Differences In Early 747 Types?

Thu Jul 06, 2006 11:54 pm

I've never understood what the difference was between the 747-100 and the 747-200, and what the difference was between the 747-200SUD and the 747-300. Can anyone shed some light on this for me?
 
da man
Posts: 836
Joined: Fri Sep 14, 2001 8:27 am

RE: Differences In Early 747 Types?

Thu Jul 06, 2006 11:58 pm

The -200 had extra fuel tankage from the -100 and the -200SUD had the extended upper deck of the -300 without the extra tankage of the -300.

In short:
-100 to -200: More range
-200 to -200SUD: More capacity at sacrifice of range
(-200SUD was a conversion from -200, to my knowledge it was not a factory option. KLM converted some of their -200s.)
-200SUD to -300: More range at same capacity

Hope this helps.

edited to include more information

[Edited 2006-07-06 17:01:08]
War Eagle!
 
hinckley
Posts: 306
Joined: Mon Jan 09, 2006 10:53 am

RE: Differences In Early 747 Types?

Fri Jul 07, 2006 2:20 am

So if I understand, each variant had greater range than the previous one? Was that accomplished through better design or additional fuel tanks?
 
KELPkid
Posts: 5247
Joined: Wed Nov 02, 2005 5:33 am

RE: Differences In Early 747 Types?

Fri Jul 07, 2006 2:27 am

Wasn't the Pratt and Whitney JT9D the only engine choice on the -100 series frames? I thought the CF6s and RB211's didn't become an option until the -200 series.
Celebrating the birth of KELPkidJR on August 5, 2009 :-)
 
da man
Posts: 836
Joined: Fri Sep 14, 2001 8:27 am

RE: Differences In Early 747 Types?

Fri Jul 07, 2006 2:30 am

Increases to MTOW primarily, equating to better engines and also increased tankage.

Quoting Hinckley (Reply 2):
each variant had greater range than the previous one

Except for the -200SUD, because the addition of the SUD added structural weight without the MTOW increase and better engines of the -300.
War Eagle!
 
da man
Posts: 836
Joined: Fri Sep 14, 2001 8:27 am

RE: Differences In Early 747 Types?

Fri Jul 07, 2006 2:32 am

Quoting KELPkid (Reply 3):
Wasn't the Pratt and Whitney JT9D the only engine choice on the -100 series frames? I thought the CF6s and RB211's didn't become an option until the -200 series.

That is also true, but after the CF6 and RB211 were certified for the 747, any -100s built afterwards could have these engines, as shown by Iran Air's 747-100B.
War Eagle!

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