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Forum: Accidents and Close Calls

14th Mar 2024, 06:30

Replies: 57

United 777 drops wheel during takeoff KSFO

Views: 18,474

Posted By MechEngr

The spacer in the bearing that keeps the rollers...

The spacer in the bearing that keeps the rollers separated. If it is one piece it gets called a cage, but some bearings use individual spacers between the balls or rollers as it allows a better fluid...

Forum: Accidents and Close Calls

14th Mar 2024, 06:04

Replies: 57

United 777 drops wheel during takeoff KSFO

Views: 18,474

Posted By MechEngr

That's what happens when they don't have the...

That's what happens when they don't have the balls to work in aviation.

Ok, ok, probably tapered roller bearings but that's not a great basis for humor. Probably the spacer/a spacer was the first...

Forum: Accidents and Close Calls

12th Mar 2024, 23:26

Replies: 57

United 777 drops wheel during takeoff KSFO

Views: 18,474

Posted By MechEngr

Sometimes the dildo of fate arrives unlubed....

Sometimes the dildo of fate arrives unlubed. Possibly that was also the case for the bearings on that wheel assembly. Time to check the storeroom to see how long the bearings have been on the shelf...

Forum: Accidents and Close Calls

8th Mar 2024, 11:44

Replies: 57

United 777 drops wheel during takeoff KSFO

Views: 18,474

Posted By MechEngr

Ah - there are the bearings - 3:55. Then I agree...

Ah - there are the bearings - 3:55. Then I agree on the flambé seizure of the bearing melting the axle. I think it was a Dash 8?? that had that failure with a spinning wheel of fireworks before the...

Forum: Accidents and Close Calls

8th Mar 2024, 09:03

Replies: 57

United 777 drops wheel during takeoff KSFO

Views: 18,474

Posted By MechEngr

A photo of the errant tire, with police car for...

A photo of the errant tire, with police car for scale.
https://cimg6.ibsrv.net/gimg/pprune.org-vbulletin/696x233/tire_5db47fe91860690cebb0b5ca7bae4fe8917867a9.png
The brakes act directly on the rim...

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