Qantas744er
Posts: 1158
Joined: Sat Jun 04, 2005 4:36 am

Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 6:06 am

hey, why does this A320
View Large View Medium
Click here for bigger photo!

Photo © Andrew Hunt - AirTeamImages

have 4 instead of 2 weels on the main landing gear?
is it because of higher MTOW, i know for sure that this is the only one in the world like this.

Cheers Leo
You live and you die, by the FMA
 
User avatar
scbriml
Posts: 13482
Joined: Wed Jul 02, 2003 10:37 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 6:15 am

This question pops up fairly regularly here. IC is unique in having ordered A320s with 4-wheel landing gear. It was done to handle landing on rough fields in India.

I don't think all their A320s have it, and I understand they are not going to buy any more like that. I think the standard 2-wheel gear has proven to be good enough to cope.
Time flies like an arrow. Fruit flies like a banana!
 
LeanOfPeak
Posts: 496
Joined: Thu Oct 21, 2004 2:18 am

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 6:19 am

A thread discussing this is at Indian Airlines A320's Main Gear Have 4 Tires (by United777 Apr 25 2003 in Tech Ops) , with multiple other threads linked from there.

Basically, it lowers the pavement loading for use on runways that would otherwise not stand up to repeated A320 landings.
 
User avatar
NZ1
Crew
Posts: 1774
Joined: Sat May 01, 2004 1:32 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 11:37 am

Thats interesting. I never knew there had been a handful made with that landing gear config. Thanks for the link to the other thread.

NZ1
--
NZ1
Head Forum Moderator
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 4:27 pm

The Vendor has closed shop & the Aircraft which followed have the Conventional type Two wheel gear.
When I watch the two types at Work.The Bogie def looks better  Smile
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
mandala499
Posts: 6459
Joined: Wed Aug 29, 2001 8:47 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Oct 12, 2005 5:36 pm

And had the bogie version is better marketed, Airbus would have made a few more sales in some parts of the world (where PCN is a HUGE problem)...

Mandala499
When losing situational awareness, pray Cumulus Granitus isn't nearby !
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 7:00 pm

Surprisingly only IC thought of it.Only few remain.The new Aircraft all have the Conventional type.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
User avatar
Buyantukhaa
Posts: 2290
Joined: Thu May 13, 2004 5:33 am

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 7:24 pm

I'm surprised that the only version ever fitted with this option was the A320 rather than the heavier A321. What's the wheel load of an A321 compared to a 777?

And were large modifications needed to the wheel bay?
I scratch my head, therefore I am.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 7:54 pm

Quoting BuyantUkhaa (Reply 7):
I'm surprised that the only version ever fitted with this option was the A320 rather than the heavier A321. What's the wheel load of an A321 compared to a 777?

Higher of course, but nowhere near the 727-200 for example, which interestingly has operated from dirt strips. It's a niche market. I don't know how many more 321s they would have sold. If you think about it, the backlog is filled anyway.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
User avatar
AirPacific747
Posts: 9320
Joined: Mon May 19, 2008 9:52 am

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 8:15 pm

Just like the AF 320s without winglets.. couldn't believe my eyes the first time I saw them.
 
tdscanuck
Posts: 8572
Joined: Wed Jan 11, 2006 7:25 am

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 8:23 pm

Quoting BuyantUkhaa (Reply 7):
I'm surprised that the only version ever fitted with this option was the A320 rather than the heavier A321. What's the wheel load of an A321 compared to a 777?

A321 is roughly 20 tons per wheel. 777 is about 29 tons per wheel (for a 300ER) but it's a much bigger wheel. Actual pressure over the contact area is probably higher for the A321.

Indian Airlines only recently started getting A321's and I believe they've addressed the runway strength problems where they fly. The A320's have been around for a long time.

Tom.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 8:25 pm

Quoting AirPacific747 (Reply 9):
Just like the AF 320s without winglets.. couldn't believe my eyes the first time I saw them.

Hehe. Well that was the original design.  Wink
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Thu Aug 02, 2007 9:21 pm

Quoting BuyantUkhaa (Reply 7):
I'm surprised that the only version ever fitted with this option was the A320 rather than the heavier A321

When IC Ordered the Aircraft there were no A321s.

Quoting AirPacific747 (Reply 9):
Just like the AF 320s without winglets

Are you talking about the -100 series.

regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
User avatar
AirPacific747
Posts: 9320
Joined: Mon May 19, 2008 9:52 am

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 03, 2007 8:09 am

Quoting Starlionblue (Reply 11):
Hehe. Well that was the original design.

Didn't know that  Smile

Quoting HAWK21M (Reply 12):
Are you talking about the -100 series.

Perhaps.... I don't know the differences actually...
 
AirframeAS
Posts: 9811
Joined: Thu Feb 05, 2004 3:56 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 03, 2007 8:29 am

Quoting HAWK21M (Reply 6):
Only few remain.

Exactly how many of these did Airbus produce in this landing gear format? That is really a surprising sight!
A Safe Flight Begins With Quality Maintenance On The Ground.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 03, 2007 12:59 pm

Quoting AirPacific747 (Reply 13):
Quoting Starlionblue (Reply 11):
Hehe. Well that was the original design.

Didn't know that

To clarify, the 320-100 had no gates. However very few were produced (less than 20) before the -200 came out with the gates (they're not really called winglets).
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 03, 2007 6:16 pm

Quoting AirframeAS (Reply 14):
Exactly how many of these did Airbus produce in this landing gear format

The entire fleet until a few years ago.

Quoting Starlionblue (Reply 15):
To clarify, the 320-100 had no gates. However very few were produced (less than 20) before the -200 came out with the gates (they're not really called winglets).

Isn't the correct term "Fence"
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 03, 2007 8:36 pm

Quoting HAWK21M (Reply 16):
Quoting Starlionblue (Reply 15):
To clarify, the 320-100 had no gates. However very few were produced (less than 20) before the -200 came out with the gates (they're not really called winglets).

Isn't the correct term "Fence"

You are correct. I had a brainfart. It was very late.  Wink
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
AirframeAS
Posts: 9811
Joined: Thu Feb 05, 2004 3:56 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sat Aug 04, 2007 1:49 pm

Quoting HAWK21M (Reply 16):
The entire fleet until a few years ago.

I meant for the entire A320's family history (From the start until now) regardless of operator. I'm assuming they only built a very small few like what Boeing did with the 737-100 which was about 30.
A Safe Flight Begins With Quality Maintenance On The Ground.
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sun Aug 05, 2007 2:33 am

Quoting AirframeAS (Reply 18):
meant for the entire A320's family history (From the start until now) regardless of operator

Only IC ordered the 4 geared version.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sun Aug 05, 2007 5:08 am

Quoting AirframeAS (Reply 18):
I'm assuming they only built a very small few like what Boeing did with the 737-100 which was about 30.

Fewer than 20 IIRC. But the aircraft remained the same internally if you will. No stretch or anything major like on the 737-200.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
CF188A
Posts: 680
Joined: Sun May 07, 2006 12:27 am

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 06, 2007 12:13 am

is this an option for all 320 family customers?
Dream as if you'll live forever. Live as if you'll die tomorrow~ RIP ... LJFM
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 06, 2007 4:24 am

Quoting CF188A (Reply 21):
is this an option for all 320 family customers?

Nope. It was a special order if you will. Since no one else wanted it it was discontinued, much like the folding 777 wings.

But I'm sure if you pay enough.  Wink
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
AirframeAS
Posts: 9811
Joined: Thu Feb 05, 2004 3:56 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 06, 2007 6:39 am

Quoting Starlionblue (Reply 20):
Fewer than 20 IIRC. But the aircraft remained the same internally if you will. No stretch or anything major like on the 737-200.

Pardon me for sidetracking the thread, but Boeing.com states 30 731's were built and delivered. This was also pointed out in another thread not too long ago.

Quoting HAWK21M (Reply 19):
Only IC ordered the 4 geared version.

So only 4 were built in that config. Thanks, Hawk.
A Safe Flight Begins With Quality Maintenance On The Ground.
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 06, 2007 5:01 pm

Quoting CF188A (Reply 21):
is this an option for all 320 family customers

It was.But only IC opted for it.

Quoting AirframeAS (Reply 23):
Quoting HAWK21M (Reply 19):
Only IC ordered the 4 geared version.

So only 4 were built in that config. Thanks, Hawk

Thats Incorrect....There were more than just four.Should have been 30+.I stated the number of Wheels on each MLG.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
AirframeAS
Posts: 9811
Joined: Thu Feb 05, 2004 3:56 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Tue Aug 07, 2007 2:29 pm

Quoting HAWK21M (Reply 24):
Thats Incorrect....There were more than just four.Should have been 30+.I stated the number of Wheels on each MLG.

Totally my bad. I misunderstood you. I apologize. I stand corrected!
A Safe Flight Begins With Quality Maintenance On The Ground.
 
User avatar
Buyantukhaa
Posts: 2290
Joined: Thu May 13, 2004 5:33 am

RE: Airbus A320 4 Weel Main Landing Gear?

Wed Aug 08, 2007 7:14 am

Quoting HAWK21M (Reply 12):

When IC Ordered the Aircraft there were no A321s.

Sure, but when the A321 entered the market, its higher wheel load might have made the 4-wheel bogie attractive again.

Apparently not though.
I scratch my head, therefore I am.
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 10, 2007 1:21 am

Quoting BuyantUkhaa (Reply 26):
Sure, but when the A321 entered the market, its higher wheel load might have made the 4-wheel bogie attractive again.

Not when the Runway surfaces & lengths were adequate.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
A342
Posts: 4017
Joined: Sun Jul 31, 2005 11:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 10, 2007 2:02 am

Actually, it seems that the four-wheel gear can take LESS weight than the standard version!

http://www.content.airbusworld.com/S...cds/A319-A320-A321/SA_JAA_TCDS.pdf

Quoting A320 series TCDS:
4.3 Aircraft incorporating modification 20139 are equipped with a four wheel bogie landing gear (up to 73.5 T MTOW).

As already stated, the MTOW of a high-performance A320-200 can reach 77 tonnes.
Exceptions confirm the rule.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 10, 2007 2:47 am

Quoting AirframeAS (Reply 23):
Quoting Starlionblue (Reply 20):
Fewer than 20 IIRC. But the aircraft remained the same internally if you will. No stretch or anything major like on the 737-200.

Pardon me for sidetracking the thread, but Boeing.com states 30 731's were built and delivered. This was also pointed out in another thread not too long ago.

It was unclear from the post but I was referencing the A320-100.  Wink
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
Claude
Posts: 52
Joined: Thu Aug 04, 2005 10:50 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Fri Aug 10, 2007 5:22 am

i Confirm... it was to can land on less good quality landing strips...
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sat Aug 11, 2007 11:04 pm

Quoting Starlionblue (Reply 29):
It was unclear from the post but I was referencing the A320-100.

How many A320-100s were built & how many still Airworthy.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
Tristarsteve
Posts: 3365
Joined: Tue Nov 22, 2005 11:04 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sun Aug 12, 2007 12:39 am

Quoting HAWK21M (Reply 31):
How many A320-100s were built & how many still Airworthy

Read this Times Running Out For BA's A320-111's (by TUGMASTER Aug 2 2007 in Civil Aviation)

All you need to know about the A320-100.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sun Aug 12, 2007 11:46 am

Quoting HAWK21M (Reply 31):
How many A320-100s were built & how many still Airworthy.

In my book it just says the -100 option was dropped after line number 22, so I guess 22 examples?

Apart from crashes I am pretty certain they are all still flying. I have flown the ex-BCAL (now BA) ones often enough.


Trivia: The 321 was originally to be designated 320-300 or 325.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
User avatar
HAWK21M
Posts: 29867
Joined: Fri Jan 05, 2001 10:05 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Sun Aug 12, 2007 11:15 pm

Quoting Starlionblue (Reply 33):
so I guess 22 examples

Interesting.
Any difference apart from the Wing fence & Software between A320-100 & -200.Mainly Exterior differences.I know about the Bulk cargo door operating handle mechanism.But this was a A320-200 upgrade.

regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
Tristarsteve
Posts: 3365
Joined: Tue Nov 22, 2005 11:04 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 13, 2007 1:16 am

Quoting HAWK21M (Reply 34):
Any difference apart from the Wing fence & Software between A320-100 & -200.Mainly Exterior differences.I know about the Bulk cargo door operating handle mechanism.But this was a A320-200 upgrade.

Biggest difference was the -100 had much lower weights, with lower rated gears.
What is amazing is that if you go in the flightdeck of an 1988 -100 and a 2007 A321 (we operate both) it is very difficult to see any difference.
The main cargo door handle changed from for/aft to vertical, but that was a few years later.
 
User avatar
Starlionblue
Posts: 17119
Joined: Fri Feb 27, 2004 9:54 pm

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 13, 2007 3:04 am

Quoting HAWK21M (Reply 34):
Any difference apart from the Wing fence & Software between A320-100 & -200.Mainly Exterior differences.I know about the Bulk cargo door operating handle mechanism.But this was a A320-200 upgrade.

As TristarSteve mentions, the -200 has higher weights. That's why the operators weren't too keen on the -100 once they could buy the -200.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
PurdueAv2003
Posts: 243
Joined: Tue Dec 06, 2005 11:43 am

RE: Airbus A320 4 Weel Main Landing Gear?

Mon Aug 13, 2007 11:10 am

Out of curiosity, who manufactured the four-wheel landing gear? I am familiar with the standard gear manufactured by Messier-Dowty. If M-D manufactured the four-wheel gear, as well, how similar is it to the standard gear for the A320?
Ptu = Ftu X Anet (not to be confused with a.net)

Who is online

Users browsing this forum: No registered users and 12 guests