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Ford 9N, 2N & 8N Discussion Forum
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Re: Bulldozer- weak axle

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Bulldozer

02-04-2013 23:06:06
24.165.92.6



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Still working on the front axle.

Now have a good handle on the maximum stress based on an sales brocedure 1000# payload based on good geometry and weight data.

Have searched the archives and other sources to find the exact alloy for the front axle.

No luck.

Do not want to assume plane wrap A36 structural steel with a yield strength of only 36 ksi.

If you guys ever take a airplane ride on a Boeing 787 or Airbus A350 Im the guy who performed the stress analysis and FAA stress report for flight certification on the flight control actuators. Spend 40 years doing structural & thermal stress calculations.

The only way to find the strength of the front axle is to run the numbers.

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HaroldinNS

02-05-2013 08:47:33
66.87.103.212



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 Re: Bulldozer- weak axle in reply to Bulldozer, 02-04-2013 23:06:06  
Looked over thread. Must assume that things must be real slow for you being out of a job and all. Analyzing a 60 year old design that has more than proven itself by now is a great waste of time that might be better spent re-analyzing the now grounded 787 Dreamliner.



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Bulldozer

02-05-2013 18:46:28
24.165.92.6



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 Re: Bulldozer- weak axle in reply to HaroldinNS, 02-05-2013 08:47:33  
Totally retired now..lots of time on my hands.
That electro mechanical flght control actuator must have fryed the batteries on the 787 and grounded it.



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