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I know the answer is "it depends", but let's say you are in a regular
light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? Oliver |
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On 1/27/2011 4:28 AM, Oliver Arend wrote:
I know the answer is "it depends", but let's say you are in a regular light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? For my Fly Baby, I'd put the answer at roughly 500-750 landings. I typically fly for an hour or less, and usually shoot several touch and goes on each flight. The last set I replaced lasted 200 hours, and they were used when I got them. Ron Wanttaja |
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On 1/27/2011 6:28 AM, Oliver Arend wrote:
I know the answer is "it depends", but let's say you are in a regular light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? Oliver In the South West, an average owner might need to change a tire or two less often than 5 or 7 years, except the ozone/UV gets to cracking them and then its time for more retreads. Brian W |
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On Jan 27, 5:28*am, Oliver Arend wrote:
I know the answer is "it depends", but let's say you are in a regular light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? Oliver It's not the landings that kill tires. It's the braking forces. Pilots who land long and/or fast will use a lot of brake to try to stop the airplane, and braking scrubs rubber off real quick even if the tire isn't "skidding." Dan |
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On Feb 20, 7:38*pm, Alan Baker wrote:
In article , wrote: It's not the landings that kill tires. It's the braking forces. Pilots who land long and/or fast will use a lot of brake to try to stop the airplane, and braking scrubs rubber off real quick even if the tire isn't "skidding." Dan Ummmmm.... ...where did you learn this? I am the Director of Aircraft Maintenance for a flight school. Eight airplanes. I was also a flight instructor for some time and still hold a Commercial ticket. When we start teaching short-field landings, the tires suffer. Ordinary circuit work isn't nearly hard on them unless the landings are crabbed. 38 years around airplanes teaches one some things, I would think. A retired airline pilot told me the same thing: The tires on the big birds suffer more from braking than the touchdown. Dan |
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On Jan 27, 4:28*am, Oliver Arend wrote:
I know the answer is "it depends", but let's say you are in a regular light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? Oliver I often wondered how often the big planes change. I worked in a faciltiy building agricultural fertilizer applicators (up to 90' wide) that used what we called "bomber tires". Huge things taken off planes that I had to trim the tapered bead to a flat one to fit our wheels. Did hundreds of them. They showed hardly any wear at all. Harry K |
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On 2/24/2011 10:48 AM, Harry K wrote:
On Jan 27, 4:28 am, Oliver wrote: I know the answer is "it depends", but let's say you are in a regular light airplane (C152, C172 ...) with "real" aircraft tires and you do normal landings without excessive load, speed or crosswind. It will still depend on the surface of the runway, but generally, is the number more on the order of 10s of landings (change rather often), 100s of landings (maybe get through one busy flying season with one set) or 1000s of landings (last forever until aging kicks in)? Oliver I often wondered how often the big planes change. I worked in a faciltiy building agricultural fertilizer applicators (up to 90' wide) that used what we called "bomber tires". Huge things taken off planes that I had to trim the tapered bead to a flat one to fit our wheels. Did hundreds of them. They showed hardly any wear at all. Harry K I don't know about commercial, but USAF used to change tires when wear reached a certain point dictated by mission requirements and location. If an aircraft was being flown to home station, depot or the bone yard they's be authorized a one time flight on red threads. Many times we changed tires that had plenty of life left. I retired in 1994 and things may have changed since then. Dan, U.S. Air Force, retired |
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If you are operating from a grass strip, the tires will outlast the
airframe. Jim |
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