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Search: Posts Made By: Grebe
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Forum: Rumours & News
11th Jan 2020, 14:41
Replies: 64
Views: 47,957
Posted By Grebe

Guess I didn't make myself clear- my point was...

Guess I didn't make myself clear- my point was that UNLESS one could reasonably figure out HOW to ground both ends of a ' layer' of prepreg tape, the issue of continuity of a fiber layer was of no...
Forum: Rumours & News
10th Jan 2020, 01:31
Replies: 64
Views: 47,957
Posted By Grebe

You may be missing the point re lightning strike...

You may be missing the point re lightning strike and composite. While prepreg tape is continuous fiber, when it comes to electrical conductivity - it doesn''t help UNLESS one figers out how to...
Forum: Rumours & News
6th Jan 2020, 23:11
Replies: 64
Views: 47,957
Posted By Grebe

Think you are conflating 7 late 7 wing foil...

Think you are conflating 7 late 7 wing foil issues versus 737 MAX engine cover issues - both relating to lightning . .

has to do with Arcs and Sparks .. :rolleyes:
Forum: Rumours & News
15th Dec 2019, 20:38
Replies: 64
Views: 47,957
Posted By Grebe

How did we get from lightning strike issues to a...

How did we get from lightning strike issues to a discussion of factory firing (assembly) rates, stations, schedules , delivery rates, sales, financing, shoulda rates, coulda rates, and how many...
Forum: Rumours & News
14th Dec 2019, 22:59
Replies: 64
Views: 47,957
Posted By Grebe

TDracer- perhaps part of the confusion comes from...

TDracer- perhaps part of the confusion comes from dates of changes in the production process such that both answers regarding copper mesh and conduction and lightning strikes are ' correct'

The...
Forum: Rumours & News
14th Dec 2019, 01:22
Replies: 64
Views: 47,957
Posted By Grebe

RE external foil and embedded copper/composite ...

RE external foil and embedded copper/composite issues in the fuel tank(s). The problem is that to ensure non spark the copper foil/plate must be electrically continuous between inside to outside ...
Forum: Rumours & News
13th Dec 2019, 23:35
Replies: 64
Views: 47,957
Posted By Grebe

Good points- but the penetrations of front and...

Good points- but the penetrations of front and rear spars for various metal parts is also a problem, when immersed in fuel and having possible electrical gaps due to not so obvious ground paths. ...
Forum: Rumours & News
12th Dec 2019, 04:54
Replies: 64
Views: 47,957
Posted By Grebe

Because when all electric goes fubar, it will...

Because when all electric goes fubar, it will still fly

And when a special EMP warhead goes off within maybe 100 miles- it will still fly
Forum: Rumours & News
11th Dec 2019, 19:11
Replies: 64
Views: 47,957
Posted By Grebe

Yep - and if you wired up his grave, Bill allens...

Yep - and if you wired up his grave, Bill allens grave and t wilson grave, you could power all of Seattle - or generate enough to fire up ole sparky for a few recent types . .
Forum: Rumours & News
11th Dec 2019, 05:03
Replies: 64
Views: 47,957
Posted By Grebe

787 Lightning strike issues v FAA

Looks like another cost-schedule win over safety .Sure glad FAA management backs their people - WAYYYYY back ..:ugh:
...
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