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Forum: Tech Log

18th Aug 2014, 16:00

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

It is, at least on Boeing. Not sure why...

It is, at least on Boeing.

Not sure why you'd be worried about trying it prior to engine start. It's pretty routine to do a throttle sweep prior to engine start to check for free movement (I...

Forum: Tech Log

18th Aug 2014, 05:10

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

Jammedstab, after further consideration, I think...

Jammedstab, after further consideration, I think I answered a question you didn't ask....:rolleyes:

Pre-FADEC, if there was an uncommanded T/R deployment, the mechanical linkage that restricted...

Forum: Tech Log

17th Aug 2014, 17:49

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

Again, not true on Boeing - I can't comment on...

Again, not true on Boeing - I can't comment on the A300. Perhaps Airbus does this differently as well :rolleyes:

Forum: Tech Log

17th Aug 2014, 02:32

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

Not true, Boeing did flight tests with a T/R...

Not true, Boeing did flight tests with a T/R deployed as well, including on the 767 (IIRC it was a regulatory requirement to flight test it). But they did the tests at relatively benign conditions...

Forum: Tech Log

16th Aug 2014, 22:02

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

flyingchanges - starting with the 757/767 (which...

flyingchanges - starting with the 757/767 (which was in initial design at the time of the 737 crash), the T/R is designed for this scenario. Depending on the model, all current Boeing aircraft have...

Forum: Tech Log

16th Aug 2014, 20:10

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

DevX - again, speaking Boeing here, but aside...

DevX - again, speaking Boeing here, but aside from some of the very early jet aircraft (which had flight operable T/R - I'm thinking maybe the DC-8 had those), there was always 'air/ground' to enable...

Forum: Tech Log

16th Aug 2014, 19:59

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

Oakape, there has always been a feature that will...

Oakape, there has always been a feature that will command the engine to idle if the T/R is not in the commanded position (it's required by the FARs). On the older engines it was done with a...

Forum: Tech Log

16th Aug 2014, 19:34

Replies: 22

TL position when in reverse

Views: 4,818

Posted By tdracer

I don't know about Airbus, but on Boeing aircraft...

I don't know about Airbus, but on Boeing aircraft there is linkage as part of the throttle lever that:
a) prevents movement of the reverse lever if the forward lever isn't at idle, and
b) prevents...

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