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Search: Posts Made By: Dave Therhino
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Forum: Rumours & News
7th Jan 2020, 14:29
Replies: 64
Views: 47,957
Posted By Dave Therhino

The 787 inerting system is allowed to be...

The 787 inerting system is allowed to be inoperative under the MEL. The effect of this allowance was required by the special conditions to be included in the numerical probability analysis.
Forum: Rumours & News
7th Jan 2020, 14:26
Replies: 64
Views: 47,957
Posted By Dave Therhino

The 787 special conditions contained the same...

The 787 special conditions contained the same allowance to use probability of flammability in the overall catastrophic explosion probability calculation. Both sets of special conditions were...
Forum: Rumours & News
7th Jan 2020, 05:04
Replies: 64
Views: 47,957
Posted By Dave Therhino

My colleague confirmed the 200 kA peak current in...

My colleague confirmed the 200 kA peak current in the SAE model is based on the 95th percentile strike from data measured at multiple ground towers over several decades. Although the calculation is...
Forum: Rumours & News
6th Jan 2020, 03:28
Replies: 64
Views: 47,957
Posted By Dave Therhino

Hi TD. I'm not positive, but I'm pretty sure...

Hi TD. I'm not positive, but I'm pretty sure that would be "once every fifteen years per aircraft," or about once every 50,000 flight hours, as opposed to once every 50,000,000 hours if it was once...
Forum: Rumours & News
6th Jan 2020, 02:02
Replies: 64
Views: 47,957
Posted By Dave Therhino

It sounds like you are misunderstanding what...

It sounds like you are misunderstanding what Boeing was saying. They meant that the average rate of maximum amplitude lightning strikes (probably defined a those strikes with a peak current level in...
Forum: Rumours & News
15th Dec 2019, 01:08
Replies: 64
Views: 47,957
Posted By Dave Therhino

Thanks for the further comment about Tom. ...

Thanks for the further comment about Tom.

Yes I'm sure about no mesh in the wing skins. I know mesh was seriously considered and I believe it was part of the planned configuration for some time,...
Forum: Rumours & News
14th Dec 2019, 06:15
Replies: 64
Views: 47,957
Posted By Dave Therhino

[QUOTE=tdracer;10639358]The 787 has a copper mesh...

[QUOTE=tdracer;10639358]The 787 has a copper mesh embedded in the carbon fiber matrix - the wing, fuselage, pretty much everywhere. In addition - due in part to the uncertainties in the lightning...
Showing results 1 to 7 of 7


 
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