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A321 Landing Gear Question  
User currently offlineWingnutMN From United States of America, joined Jan 2004, 689 posts, RR: 0
Posted (11 years 5 months 2 weeks 5 days 2 hours ago) and read 6342 times:

I was curious as to why the A321 doesn't have a tandem axel main gear like the 757. The MTOW of the A321 is 205,000lbs and the MTOW of the 757-200 is 255,000 lbs. Is the difference of 50,000 lbs the reason, or does the A321 have a stronger landing gear to support the extra weight on a single axil?


Any landing you can walk away from is a good landing! It's a bonus if you can fly the plane again!!
6 replies: All unread, jump to last
User currently offlineStarlionblue From Greenland, joined Feb 2004, 17668 posts, RR: 65
Reply 1, posted (11 years 5 months 2 weeks 5 days 2 hours ago) and read 6305 times:

50k lbs is a good reason. Fewer wheels= fewer parts that can break down, have to be maintained, etc.

"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 2, posted (11 years 5 months 2 weeks 5 days 1 hour ago) and read 6269 times:

The B727-200Adv is even heavier than the A321 and still only has single axle landing gear.

User currently offlineNKP S2 From United States of America, joined Dec 1999, 1714 posts, RR: 5
Reply 3, posted (11 years 5 months 2 weeks 5 days 1 hour ago) and read 6259 times:

A321's main wheel assy is appreciably larger than the 319's and 320's.

User currently offlineKerberos From Canada, joined Apr 2004, 119 posts, RR: 0
Reply 4, posted (11 years 5 months 2 weeks 4 days 20 hours ago) and read 6202 times:

Some do have tandem axles....

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Photo © M Radzi Desa

Anyone know why Indian airlines chose this option?

EDIT: I just realized this is an A320 and the question was regarding A321, but still somewhat relevant...

[Edited 2004-12-16 08:05:31]

This is your captain speaking. I’ve turned off the no-smokin’ sign. Hell, if the plane is smokin' why can't you?
User currently offlineFlyboy1980 From New Zealand, joined Nov 2003, 253 posts, RR: 0
Reply 5, posted (11 years 5 months 2 weeks 4 days 19 hours ago) and read 6192 times:

I read in a book that Indian Airlines chose the 4 wheel main bogies as a lot of the airports the 320 flies to don't have very strong pavement / apron areas.

The 4 wheel bogie spreads the weight over a greater area, making it less likely to break through the apron surface.

User currently offlineHAWK21M From India, joined Jan 2001, 31875 posts, RR: 54
Reply 6, posted (11 years 5 months 2 weeks 3 days 19 hours ago) and read 6094 times:

Anyone know why Indian airlines chose this option
This probably is the most asked question on A.Net.

Do a search.You'll find a lot of Answers.

In the present senerio its not serving any purpose.Although at that time it was chosen for IA because of Not to perfect Runways in the country.

Think of the brighter side!
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