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afterburner
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Aircraft Tire Brand Options

Mon Nov 19, 2018 3:11 am

As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?
 
StereoTechque
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 7:56 am

Yes customer options eg. Bridgestone, Michelin, Good Year.
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Apprentice
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 8:06 am

afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?


Hi: Yes, they initially give options to customers. and they will follow for the life of plane since is not easy to change, for instance from an Airbus with only Bridgestone to only Michelin

Rgds
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adanhamidu
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 9:19 am

Apprentice wrote:
afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?


Hi: Yes, they initially give options to customers. and they will follow for the life of plane since is not easy to change, for instance from an Airbus with only Bridgestone to only Michelin

Rgds


I'm wondering why aircraft tires lack lateral grooves and tread blocks or at least, highly/steeply diagonal grooves (for that distinctive directional tread design that yields aqua/hydro-planning resistance). I hope its not because the tire speeds are too great for such grooves/tread blocks to structurally exist beyond shelf-time (mounted/used on the aircraft). I'm wondering this because I know high performance cars have the "W" and "Y" speed rated tire categories which allows for speeds similar to that of an aircraft landing/taking off on a runway. Your thoughts will be highly valued. Thanks.
 
BREECH
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 4:50 pm

An addition to the topic starter's question. Are there "winter" tires for airplanes?
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stratclub
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 5:31 pm

Aircraft tires require FAA Parts Manufacturing Approval for each model of aircraft. The 787 has only one approved tire manufacturer. Many model aircraft have more than one approved tire brand.
https://www.bridgestone.com/products/sp ... 19_01.html

Aircraft tires do not have lateral grooves or tread blocks because the force of landing would separate them from the tire. Aircraft do not have special tires for winter operations. https://en.wikipedia.org/wiki/Aircraft_ ... ufacturers
 
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ClipperYankee
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 10:45 pm

Interesting topic. But many WWII American aircraft types had all sorts of grooves on them, I'd imagine that was because it was before the arrival of anti-lock systems?
For example see:

http://images.search.yahoo.com/search/i ... tion=click
707/717/727/737-100,200,300,400,500,700,800/747-200,300,400/757-200,300/767-300,400
772/788&9/DC3/DC6/DC8/DC9/DC10/MD80s/L1011/A300/A319,320,321/A332&3/A343/A359/A388/
BAE146/ATP/ATR42/DHC2,3,7,8/S340B/CRJ200,700,900/E140,145,175,190/F70,100/B1900
 
stratclub
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Re: Aircraft Tire Brand Options

Mon Nov 19, 2018 11:20 pm

ClipperYankee wrote:
Interesting topic. But many WWII American aircraft types had all sorts of grooves on them, I'd imagine that was because it was before the arrival of anti-lock systems?
For example see:

http://images.search.yahoo.com/search/i ... tion=click

Technology certainly has moved on in 70 plus years, hasn't it? Without Anti-Skid brakes, a modern airliner could grind the wheels and tires down to the axles and a pattern like it your pic wouldn't survive one landing even if the Anti-Skid was working.

The parking brake was set and not noticed when landing in this pic, but you would have about the same results if the Ant-Skid braking function was not working.
viewtopic.php?t=746001
Image
 
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Starlionblue
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 1:39 am

BREECH wrote:
An addition to the topic starter's question. Are there "winter" tires for airplanes?


Not for airliners.

However, bush planes operating in rough terrain use "Tundra Tires", which are large and inflated to a low pressure.

Image
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
Max Q
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 5:39 am

Tire trivia

The 767-400 uses exactly the same
main gear tires as the 777

Just less of them !
The best contribution to safety is a competent Pilot.


GGg
 
BREECH
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 8:30 am

Max Q wrote:
Tire trivia

The 767-400 uses exactly the same
main gear tires as the 777

Just less of them !

Really? Wow, this topic is actually a lot more interesting than I initially thought. I have even more questions now.

We know the usual automobile tires designation of, for example, 225/35R18. How are aircraft tires labeled? What are the sizes? Does A320 use the same tires as A380?
No friendship, love or respect unite people as much as shared hatred.
Sergey Dovlatov
 
hitower3
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 3:08 pm

Max Q wrote:
Tire trivia

The 767-400 uses exactly the same
main gear tires as the 777

Just less of them !


More tire trivia:

The Boeing 747-400 uses the same type of tires for the nose landing gear as for the main landing gear. Just a less of them! (2 vs. 4x4).
I have no data for the other 747 variants, apart from the fact that the BA fleet uses tyres instead of tires. :-)

Hendric
 
BREECH
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 3:32 pm

stratclub wrote:
Aircraft tires require FAA Parts Manufacturing Approval for each model of aircraft. The 787 has only one approved tire manufacturer. Many model aircraft have more than one approved tire brand.
https://www.bridgestone.com/products/sp ... 19_01.html

Aircraft tires do not have lateral grooves or tread blocks because the force of landing would separate them from the tire. Aircraft do not have special tires for winter operations. https://en.wikipedia.org/wiki/Aircraft_ ... ufacturers

Thank you for the links!!! Interesting technical detail:
"Construction: Revolutionarily Reinforced Radial" :-D
No friendship, love or respect unite people as much as shared hatred.
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CowAnon
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 6:32 pm

BREECH wrote:
Max Q wrote:
Tire trivia

The 767-400 uses exactly the same
main gear tires as the 777

Just less of them !

Really? Wow, this topic is actually a lot more interesting than I initially thought. I have even more questions now.

We know the usual automobile tires designation of, for example, 225/35R18. How are aircraft tires labeled? What are the sizes? Does A320 use the same tires as A380?

Here are the aircraft tire catalogs for Goodyear and Bridgestone. Goodyear lists 6 different tire label types (with some of them similar to car tire specs), and on page 16, it shows the tire requirements for different planes. The A330, A340, A350, and A380 all use 1400x530R23 for their main gear tires, but with different ply ratings (from 32/36 for the A330 up to 42 for the A350).
 
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ClipperYankee
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 10:57 pm

Apprentice wrote:
afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?


Hi: Yes, they initially give options to customers. and they will follow for the life of plane since is not easy to change, for instance from an Airbus with only Bridgestone to only Michelin

Rgds


Could you expand on this a bit? For example if an airliner is originally equipped with Michelins an airline cannot easily switch it to Goodyear as long as the specs are the same? Would that be because different brands require specific wheels (rims, if you prefer)?
707/717/727/737-100,200,300,400,500,700,800/747-200,300,400/757-200,300/767-300,400
772/788&9/DC3/DC6/DC8/DC9/DC10/MD80s/L1011/A300/A319,320,321/A332&3/A343/A359/A388/
BAE146/ATP/ATR42/DHC2,3,7,8/S340B/CRJ200,700,900/E140,145,175,190/F70,100/B1900
 
shamrock137
Posts: 380
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Re: Aircraft Tire Brand Options

Tue Nov 20, 2018 10:59 pm

BREECH wrote:
An addition to the topic starter's question. Are there "winter" tires for airplanes?


Nope, not really needed. If you think of the purpose of a winter tire for a car, the car will spend that period of time operating in cold climates. The winter tire will help with grip starting and stopping, and lateral grip when turning. The treads are complex so the tire can grip ice, slush, and keep the car going in the direction its steered. This is primarily accomplished through a special soft rubber.

Aircraft tires are really only used in straight lines, at speeds under 20 mph. When an aircraft is steered its usually at low speed, and aircraft have other devices to slow down, spoilers, reverse thrust etc. Additionally, if a soft winter tire was fit, they would wear down rapidly on warm weather. Most aircraft don't spend the whole season in cold weather. Also generally runways are kept in better shape then roads as far as ice and snow accumulation.
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Max Q
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 2:03 am

hitower3 wrote:
Max Q wrote:
Tire trivia

The 767-400 uses exactly the same
main gear tires as the 777

Just less of them !


More tire trivia:

The Boeing 747-400 uses the same type of tires for the nose landing gear as for the main landing gear. Just a less of them! (2 vs. 4x4).
I have no data for the other 747 variants, apart from the fact that the BA fleet uses tyres instead of tires. :-)

Hendric




The Classic is the same


Not sure about the -8
The best contribution to safety is a competent Pilot.


GGg
 
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afterburner
Topic Author
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 4:21 am

Thank you guys for the replies. All the facts, even the trivial ones, are interesting. And I notice, like the ones for the cars, trucks, and bikes, some of the tire size specifications use millimeters for the width and the diameter while the other use inches.
 
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Starlionblue
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 5:22 am

afterburner wrote:
Thank you guys for the replies. All the facts, even the trivial ones, are interesting. And I notice, like the ones for the cars, trucks, and bikes, some of the tire size specifications use millimeters for the width and the diameter while the other use inches.


Indeed. Aviation hasn't managed to quite standardise on metric.

Feet make perfect sense for altitude and flight level since increments of 1000 feet are much easier to grasp than metric increments of 300.

Why we still measure engine oil in quarts is a bit more of a mystery...
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
strfyr51
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 5:55 am

afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especialGoodyearly the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?

Yes they do Goodyear, Dunlop or BF Goodrich (Pirrelii) Unfortunately? IF you uce the Dunlop Tire on the NLG? You might encounter inaccurate steering when landing or Taxiing due to one tire being SAE and the other being Metric based. Unless you stand the wheels side by side?
You might no even be able to Tell.. I've changed a LOT of wheel assy's for that reason.
 
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afterburner
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 9:28 am

Starlionblue wrote:
Why we still measure engine oil in quarts is a bit more of a mystery...

Are talking about car engine oil? In my experience, European brands like Shell, Castrol, Motul, etc, using liter whereas American brands like Pennzoil use quart.
 
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Starlionblue
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 9:32 am

afterburner wrote:
Starlionblue wrote:
Why we still measure engine oil in quarts is a bit more of a mystery...

Are talking about car engine oil? In my experience, European brands like Shell, Castrol, Motul, etc, using liter whereas American brands like Pennzoil use quart.


I don't think it is the same kind of oil but what do I know. Nor the brand. Just that RR engines use quarts. :)
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
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HAWK21M
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Re: Aircraft Tire Brand Options

Wed Nov 21, 2018 10:56 am

afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?


Tires + Hub assembly = Wheels

Most type Aircraft have approved certain manufactures of tires that produce required tires for the wheels of their type Aircraft.
I may not win often, but I damn well never lose!!! ;)
 
CowAnon
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Re: Aircraft Tire Brand Options

Sat Nov 24, 2018 4:47 am

The A330, A340, A350, and A380 all use 1400x530R23 for their main gear tires, but with different ply ratings (from 32/36 for the A330 up to 42 for the A350).

Minor correction - the A350-900 does use 1400x530R23, but the Michelin catalog lists the main gear tires for the A350-1000 as 50X20.0R22.

ClipperYankee wrote:
Apprentice wrote:
afterburner wrote:
As well as an aviation enthusiast, I'm also an automotive enthusiast. And I have special interest in tires. Do aircraft manufacturers, especially the large ones like Airbus and Boeing, give options to their customers on what brand of tires they want to use on the aircraft they order?


Hi: Yes, they initially give options to customers. and they will follow for the life of plane since is not easy to change, for instance from an Airbus with only Bridgestone to only Michelin

Rgds


Could you expand on this a bit? For example if an airliner is originally equipped with Michelins an airline cannot easily switch it to Goodyear as long as the specs are the same? Would that be because different brands require specific wheels (rims, if you prefer)?

I don't know. The Goodyear guide lists the 54x21.0-23 spec as the alternate for the A330 and the A342/A343, but apparently it isn't available for the A345, A346, A359, and A380. Goodyear only makes the 54x21.0-23 tire with a ply rating of 36, so that probably disqualifies its offering for those models, since the A359 is listed as a 42 ply and the A345/A346/A380 as a 40 ply. For that matter, the Goodyear 54x21.0-23 model has a rated load of 68,500 pounds, which is less than the 72,100-pound load on each of the A359's main gear wheels. (Data from page 354 of the A350 Airport and Maintenance Planning document, section 7-2-0: 619,275 lb MTOW * 0.931 fraction of weight on main gear wheels / 8 main gear wheels = 72,068 lb.)
 
CowAnon
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Re: Aircraft Tire Brand Options

Sat Nov 24, 2018 6:41 am

...somehow I forgot to mention that Goodyear doesn't even make a 1400x530R23 tire model. But my main point is the same - Goodyear doesn't appear to produce tires that can be used on some of the Airbus widebodies, though it seems like that would be easy for Goodyear to do.

stratclub wrote:
Aircraft tires require FAA Parts Manufacturing Approval for each model of aircraft. The 787 has only one approved tire manufacturer. Many model aircraft have more than one approved tire brand.
https://www.bridgestone.com/products/sp ... 19_01.html

Bridgestone is the only approved tire manufacturer for the 787? Why would Boeing want to restrict tire supply to one company? Also, the Goodyear and Michelin catalogs offer tires that match the specs in your link.

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