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Search: Posts Made By: tdracer
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Forum: Rumours & News
6th Jan 2020, 02:43
Replies: 64
Views: 47,957
Posted By tdracer

Dave, I don't think the 'once every 15 years'...

Dave, I don't think the 'once every 15 years' rate is per aircraft, I think it's for the entire fleet (wouldn't swear to it though - going back to the 'I know enough about Lightning/EMI to be...
Forum: Rumours & News
5th Jan 2020, 21:37
Replies: 64
Views: 47,957
Posted By tdracer

The once/year average for a commercial aircraft...

The once/year average for a commercial aircraft is a standard industry assumption. Obviously it depends where you fly and when, and how hard you try to avoid that type of weather. Lightning is a...
Forum: Rumours & News
14th Dec 2019, 23:00
Replies: 64
Views: 47,957
Posted By tdracer

Your assumption is flawed. Production rate does...

Your assumption is flawed. Production rate does not equal delivery rate over the short term. The production rate is reasonably constant month to month, for what should be obvious reasons. Delivery...
Forum: Rumours & News
14th Dec 2019, 19:54
Replies: 64
Views: 47,957
Posted By tdracer

OK, let's do some math. 787 production rate is 14...

OK, let's do some math. 787 production rate is 14 aircraft per month - split evenly between Everett and Charleston. At any particular time, there are 7-8 aircraft in various stages of final assembly...
Forum: Rumours & News
14th Dec 2019, 03:09
Replies: 64
Views: 47,957
Posted By tdracer

40 wing sets is less than three months...

40 wing sets is less than three months production. Given wings and aircraft in assembly, units in inventory and transit (the wings are built in Japan), and completed aircraft going through...
Forum: Rumours & News
13th Dec 2019, 23:58
Replies: 64
Views: 47,957
Posted By tdracer

Boeing didn't do the determination - an industry...

Boeing didn't do the determination - an industry group (the SAE) did.
When it comes to specialties like Lightning protection, the FAA (and EASA) have long leaned on the expertise of the airframer...
Forum: Rumours & News
13th Dec 2019, 23:48
Replies: 64
Views: 47,957
Posted By tdracer

If metal foil external to the carbon fiber...

If metal foil external to the carbon fiber structure is so important, why isn't it needed on the A350? According to what Less Hair posted, they embed copper mesh - just like Boeing - no mention of...
Forum: Rumours & News
13th Dec 2019, 23:18
Replies: 64
Views: 47,957
Posted By tdracer

The 787 has a copper mesh embedded in the carbon...

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 characteristics of carbon...
Showing results 1 to 8 of 8


 
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