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First 747-300 Special Freighter To Atlas  
User currently offlineSea_Tac2000 From , joined Dec 1969, posts, RR:
Posted (13 years 11 months 1 week 6 days 20 hours ago) and read 1994 times:



Curious as to why they decided to do this to a -300?Will the upper deck serve any real purpose? I mean, that's why the 747-400 freighters don't have a streched upper deck, extra weight that's not needed (?) ... just wondering, can anyone enlighten me ...... any benefits at all? I dunno ...





5 replies: All unread, jump to last
 
User currently offlineFLY777UAL From United States of America, joined May 1999, 4512 posts, RR: 3
Reply 1, posted (13 years 11 months 1 week 6 days 20 hours ago) and read 1974 times:

I don't think the SUD will have adverse affects on the performance of the plane. It adds 10,000 lbs (or so) to the fuselage, but interestingly enough, reduces drag by 4%...on the -400F's it must have been easier just to leave it off.

With the cheap buying price of the -300, it is probably still economical to keep the SUD rather than aquire a -400 or -200 model.

F L Y 7 7 7 U A L


User currently offlineSea_Tac2000 From , joined Dec 1969, posts, RR:
Reply 2, posted (13 years 11 months 1 week 6 days 20 hours ago) and read 1968 times:

That's the thing though, Atlas didn't have these before hand, they are aquiring them, they ordered 3.... still don't see the advantage

should have posted this earlier ......
http://www.boeing.com/news/releases/2000/news_release_001017b.html


User currently offlinePatroni From Luxembourg, joined Aug 1999, 1403 posts, RR: 14
Reply 3, posted (13 years 11 months 1 week 6 days 20 hours ago) and read 1960 times:

Well, the main reason for Atlas to go for the 300 was probably that these aircraft were available at a reasonable prize while cargo aircraft capacity is very hard to get these days...

Besides the extra weight of the SUD I see another major disadvantage : The height of the main deck below the upper deck is only 2.40m while behind the upper deck it is up to 3.10m high. Therefore the longer upper deck will definitely have a negative impact on available cargo volume.... nevertheless the staff will appreciate to have more seats for staff travel on the 743F - the 744F has only 6 seats for example....


Best regards,

Thomas


User currently offlineFLY777UAL From United States of America, joined May 1999, 4512 posts, RR: 3
Reply 4, posted (13 years 11 months 1 week 6 days 19 hours ago) and read 1952 times:

With the lack of windows in the aft section of the UD, I'm wondering now if Boeing was able to remove that section of UD flooring to bring the space below it to main deck cargo standards (vs main deck under UD)...

F L Y 7 7 7 U A L


User currently offline747-600X From United States of America, joined Jan 2000, 2792 posts, RR: 15
Reply 5, posted (13 years 11 months 1 week 6 days 15 hours ago) and read 1928 times:

I beleive the 747-300F conversions have as much upper deck floor space as the -400Fs, so yes the floorspace would have been removed to make room for 118" tall palettes (whereas only 96" can fit under the bubble).


"Mental health is reality at all cost." -- M. Scott Peck, 'The Road Less Traveled'
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