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One of lifes mysteries solved! #4613675
12/25/17 09:18 AM
12/25/17 09:18 AM
Joined: Jun 2003
Posts: 17,355
Deplorable in apple valley, ca
Chris142 Offline OP
Chris142  Offline OP
Joined: Jun 2003
Posts: 17,355
Deplorable in apple valley, ca
We just landed and have a 2hr wait till our next flight. I had a seat with a window. I can say that airplane wheels are NOT spinning when a plane lands. They go from 0mph to fast in a split second!

Something I have wondered about for 40 years.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: One of lifes mysteries solved! [Re: Chris142] #4613681
12/25/17 09:23 AM
12/25/17 09:23 AM
Joined: Oct 2005
Posts: 4,341
Kansas
Kruse Offline
Kruse  Offline
Joined: Oct 2005
Posts: 4,341
Kansas
Not to worry you, but I think a Concorde plane had issues one time because of tires.

Re: One of lifes mysteries solved! [Re: Chris142] #4613693
12/25/17 09:44 AM
12/25/17 09:44 AM
Joined: Oct 2002
Posts: 36,301
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline
Joined: Oct 2002
Posts: 36,301
Great Lakes
Originally Posted By: Chris142
Something I have wondered about for 40 years.

You could have just asked. smile


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (FF)
Re: One of lifes mysteries solved! [Re: Chris142] #4613696
12/25/17 09:46 AM
12/25/17 09:46 AM
Joined: Oct 2010
Posts: 8,809
Virginia Beach
Astro14 Online content
Astro14  Online Content
Joined: Oct 2010
Posts: 8,809
Virginia Beach
Originally Posted By: Chris142
We just landed and have a 2hr wait till our next flight. I had a seat with a window. I can say that airplane wheels are NOT spinning when a plane lands. They go from 0mph to fast in a split second!

Something I have wondered about for 40 years.


That was a mystery?

Now that you know that, you may be interested to know that, on many airplanes, when the landing gear are retracted, the brakes are applied to stop the tires from spinning. This eliminates gyroscopic forces on the hydraulic system and gear itself during retraction....


32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: One of lifes mysteries solved! [Re: Chris142] #4613697
12/25/17 09:46 AM
12/25/17 09:46 AM
Joined: Dec 2003
Posts: 9,801
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,801
Florida, Cape Coral
You are very observant Chris142. Now you can finally sleep nights know the problem has been solved:-)) Ed


CX5 Touring 2.5L :-)
Re: One of lifes mysteries solved! [Re: Chris142] #4613711
12/25/17 09:59 AM
12/25/17 09:59 AM
Joined: Oct 2016
Posts: 128
WV
jonnied1 Offline
jonnied1  Offline
Joined: Oct 2016
Posts: 128
WV
I was a crew chief on B-52's and KC-135 tankers in the 70's. We didn't call the tire shop out to change the tires until they started going "thump-thump-thump-thump".

Re: One of lifes mysteries solved! [Re: Kruse] #4613719
12/25/17 10:11 AM
12/25/17 10:11 AM
Joined: Jan 2009
Posts: 13,837
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,837
Illinois
Originally Posted By: Kruse
Not to worry you, but I think a Concorde plane had issues one time because of tires.


I believe they ran over something on the runway.


2007 Ford Fusion 232,000 miles
M1 0-20 EP
2017 Ford Fusion 55K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters

Re: One of lifes mysteries solved! [Re: Chris142] #4613728
12/25/17 10:24 AM
12/25/17 10:24 AM
Joined: Aug 2013
Posts: 333
Alberta
tcp71 Offline
tcp71  Offline
Joined: Aug 2013
Posts: 333
Alberta


2016 F150 Eco: Edge 0w40
2005 Sienna 3.3: mobil 0w40 (varies)
Re: One of lifes mysteries solved! [Re: Astro14] #4613731
12/25/17 10:33 AM
12/25/17 10:33 AM
Joined: Jan 2011
Posts: 2,943
PV Az
AZjeff Offline
AZjeff  Offline
Joined: Jan 2011
Posts: 2,943
PV Az
Originally Posted By: Astro14
Now that you know that, you may be interested to know that, on many airplanes, when the landing gear are retracted, the brakes are applied to stop the tires from spinning. This eliminates gyroscopic forces on the hydraulic system and gear itself during retraction....


And I always suspected the gyro forces might help the big jets go up faster...


86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP
16 Silverado 1500 4.3, DI, AFM 5W-30 PP

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: One of lifes mysteries solved! [Re: Quattro Pete] #4613735
12/25/17 10:39 AM
12/25/17 10:39 AM
Joined: Jun 2003
Posts: 17,355
Deplorable in apple valley, ca
Chris142 Offline OP
Chris142  Offline OP
Joined: Jun 2003
Posts: 17,355
Deplorable in apple valley, ca
Originally Posted By: Quattro Pete
Originally Posted By: Chris142
Something I have wondered about for 40 years.

You could have just asked. smile
nobody I asked knew


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: One of lifes mysteries solved! [Re: Chris142] #4613742
12/25/17 11:00 AM
12/25/17 11:00 AM
Joined: Oct 2010
Posts: 8,809
Virginia Beach
Astro14 Online content
Astro14  Online Content
Joined: Oct 2010
Posts: 8,809
Virginia Beach
Originally Posted By: Chris142
Originally Posted By: Quattro Pete
Originally Posted By: Chris142
Something I have wondered about for 40 years.

You could have just asked. smile
nobody I asked knew

Well...try Bitog next time you've got a question, then!

grin


32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: One of lifes mysteries solved! [Re: tcp71] #4613743
12/25/17 11:01 AM
12/25/17 11:01 AM
Joined: Jun 2002
Posts: 12,519
The Motor City
Kestas Offline
Kestas  Offline
Joined: Jun 2002
Posts: 12,519
The Motor City

I remember seeing one concept of having vanes on the tires to get them to speed and prevent the initial skid on landing. I guess that idea never caught on.

Re: One of lifes mysteries solved! [Re: Astro14] #4613745
12/25/17 11:02 AM
12/25/17 11:02 AM
Joined: Jul 2016
Posts: 1,482
Jacksonville, FL
FlyNavyP3 Offline
FlyNavyP3  Offline
Joined: Jul 2016
Posts: 1,482
Jacksonville, FL
Originally Posted By: Astro14
Originally Posted By: Chris142
We just landed and have a 2hr wait till our next flight. I had a seat with a window. I can say that airplane wheels are NOT spinning when a plane lands. They go from 0mph to fast in a split second!

Something I have wondered about for 40 years.


That was a mystery?

Now that you know that, you may be interested to know that, on many airplanes, when the landing gear are retracted, the brakes are applied to stop the tires from spinning. This eliminates gyroscopic forces on the hydraulic system and gear itself during retraction....


I find it interesting how different aircraft accomplish the act of slowing the tires upon gear retraction. On the P-3 the main mounts had a shuttle valve that applied the brakes upon gear retraction, the nose gear had an "aero" brake that sat very close to the nose tires upon full retraction that used the air near the tires to slow rotation. The P-8 also applies the brakes on the main mounts to stop the tires upon hear retraction, the nose gear has a pair of pads that are spring loaded that act on the tires to stop them with direct friction on the tire itself.


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: One of lifes mysteries solved! [Re: Chris142] #4613758
12/25/17 11:16 AM
12/25/17 11:16 AM
Joined: Oct 2002
Posts: 36,301
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline
Joined: Oct 2002
Posts: 36,301
Great Lakes
Originally Posted By: Chris142
Originally Posted By: Quattro Pete
Originally Posted By: Chris142
Something I have wondered about for 40 years.

You could have just asked. smile
nobody I asked knew

Google knows... smile

https://www.wired.com/2016/08/airplane-tires/


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (FF)
Re: One of lifes mysteries solved! [Re: Astro14] #4613761
12/25/17 11:22 AM
12/25/17 11:22 AM
Joined: Aug 2005
Posts: 7,130
Leamington, ON, Canada ..... r...
Papa Bear Offline
Papa Bear  Offline
Joined: Aug 2005
Posts: 7,130
Leamington, ON, Canada ..... r...
Originally Posted By: Astro14
Originally Posted By: Chris142
Originally Posted By: Quattro Pete
Originally Posted By: Chris142
Something I have wondered about for 40 years.

You could have just asked. smile
nobody I asked knew

Well...try Bitog next time you've got a question, then!

grin


Astro, put that smart phone down and get back to flying the plane. cool


2016 Dodge GC Deep Cherry 5W-30 Dino
2013 SYM Wolf Classic 150 T4 15W-40
2009 V-Star 250 Black Cherry 20W-50 Dino

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