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Help With Tail C/s Of BA's A318s  
User currently offlineVV701 From United Kingdom, joined Aug 2005, 7532 posts, RR: 17
Posted (4 years 11 months 3 weeks 5 days 18 hours ago) and read 1897 times:

Looking at photos of BA's second A318 (D-AUAF soon to be G-EUNB):

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Photo © Lars Hentschel


it reminded me more of their original BA "Union Flag" design than that that BA currently use.

Originally the white area at the top had a much longer length along the rudder than the two lower white areas. Further the lower red area went onto the tail cone and no part of it ended on the trailing edge of the rudder. This cam be clearly seen in the first photo of their first A319, G-EUPA, below.

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Photo © David Unsworth - WorldAirImages
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Photo © K Murphy


Subsequently as seen in the second photo of G-EUPA above, the design was extended and moved up. The result is that the three lengths of white down the rudder trailing edge are approximately the same length. And the lower red area then partly ended on the rudder's trailing edge. The difference was distinct and it also applied to the B757, B767, B777 and A320 but not the B747 (whose tail has a greater width to height ratio than that of the other types).

So my question is even though some of the lower red area on the A318 ends on the rudder trailing edge, is the larger white area at the top of its tail because the height to width ratio of the A318 tail is significantly different to that of the A319 or have BA reverted or partly reverted to their original "Union Flag" design.

4 replies: All unread, jump to last
 
User currently offlineAirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 1, posted (4 years 11 months 3 weeks 5 days 18 hours ago) and read 1888 times:

Quoting VV701 (Thread starter):
....is the larger white area at the top of its tail because the height to width ratio of the A318 tail is significantly different to that of the A319 or have BA reverted or partly reverted to their original "Union Flag" design.

Yes, remember, the 18's tail has a taller tail fin than the rest of the A320 family does.

Think of it this way: F9's 18's cannot go under the pax connection bridge at DEN while the 19's and 20's can... all because of tail height issues.

Also to add, if BA were to stretch the tail design, it would look so flimsy and wouldn't match the rest of the A320 family in their fleet. So designing it from the tail cone and up makes more sense. The extra white space shouldn't be very noticeable by the average pax.

[Edited 2009-09-27 19:26:06]


A Safe Flight Begins With Quality Maintenance On The Ground.
User currently offlineVV701 From United Kingdom, joined Aug 2005, 7532 posts, RR: 17
Reply 2, posted (4 years 11 months 3 weeks 5 days 18 hours ago) and read 1877 times:



Quoting AirframeAS (Reply 1):
Yes, remember, the 18's tail has a taller tail fin than the rest of the A320 family does.

Think of it this way: F9's 18's cannot go under the pax connection bridge at DEN while the 19's and 20's can... all because of tail height issues.

Many thanks for your clarification. It explains everything.


User currently offlineAirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 3, posted (4 years 11 months 3 weeks 5 days 18 hours ago) and read 1871 times:



Quoting VV701 (Reply 2):
Many thanks for your clarification.

No problem, VV!  wave 



A Safe Flight Begins With Quality Maintenance On The Ground.
User currently onlineViscount724 From Switzerland, joined Oct 2006, 25311 posts, RR: 22
Reply 4, posted (4 years 11 months 3 weeks 5 days 18 hours ago) and read 1817 times:



Quoting AirframeAS (Reply 1):
Yes, remember, the 18's tail has a taller tail fin than the rest of the A320 family does.

2.5 ft. taller.


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