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vadrp
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 Posted: Mar 23, 2009 - 10:29 PM
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Newbie
Joined: Mar 23, 2009 - 10:22 PM
Posts: 16
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A friend of mine is trying to tell me that the F-16 throttle lever only rotates about 66 degrees from idle to militatry, I was thinking more like 86 degrees of travel ..... can anyone help ????
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Sponsor
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 Posted: May 24, 2013 - 4:47 AM
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F-16.net Sponsor
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That_Engine_Guy
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Posted: Mar 23, 2009 - 11:46 PM
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Elite 2K
Joined: Dec 14, 2005 - 05:03 AM
Posts: 2198
Location: Under the engine somewhere.
Status: Offline
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OFF - <15 degrees PLA
IDLE - 15-20 degrees PLA
MIL - 83-90 degrees PLA
MIN-AUG - 91 degrees PLA
MAX-AUG - 130 degrees PLA
There is some tolerance built into the PLA, but YES, from IDLE to MIL there is between 63-75 degrees of travel.
You may be thinking OFF to MIL travel, which is a movement that is not recommended during engine operation.... 
Keep 'em flyin' 
TEG |
_________________
[Airplanes are] near perfect, all they lack is the ability to forgive.
— Richard Collins
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vadrp
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Posted: Mar 24, 2009 - 01:37 AM
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Newbie
Joined: Mar 23, 2009 - 10:22 PM
Posts: 16
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Thanks Engine Guy. It's been a while for me I'm 61 now and I was Avionics. I was thinking that during a t-grip replacement the throttle lever had a pretty good swing to from idle to mil. So I take it then that PLA degrees and cockpit lever degrees are interchangeable ????  |
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vadrap - fighter jet fixer
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That_Engine_Guy
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Posted: Mar 24, 2009 - 02:21 AM
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Elite 2K
Joined: Dec 14, 2005 - 05:03 AM
Posts: 2198
Location: Under the engine somewhere.
Status: Offline
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vadrp wrote:
So I take it then that PLA degrees and cockpit lever degrees are interchangeable ????
 I always thought it was....
Maybe something I'll have to look for? 
TEG |
_________________
[Airplanes are] near perfect, all they lack is the ability to forgive.
— Richard Collins
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SixerViper
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Posted: Mar 24, 2009 - 04:20 AM
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Senior member
Joined: Jun 05, 2007 - 09:32 PM
Posts: 442
Status: Offline
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PLA angle is a measure of the amount of throttle travel in degrees from "Off". It's another way of describing throttle position, so it is interchangeable with position. It means nothing to an Avionics guy but everything to an engine guy. A potentiometer on the throttle quadrant under the console reads PLA angle and tells the DEC how much power the pilot is demanding. For SEC mode, there's a throttle cable that goes to the backup controller and it moves in concert with the PLA. I say all this from the perspective of a pointyhead, so I could be wrong.
In 14 years of working Vipers, I think I had a grand total of ONE problem that required us to measure PLA angle and I don't remember the specifics of it. |
_________________
F-106A/B '69-'73
F-105D/F '73-'81
A-7D/K '81-'91
F-16C/D '91-'05
SCUBA bum '05-Present
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That_Engine_Guy
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Posted: Mar 24, 2009 - 11:10 AM
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Elite 2K
Joined: Dec 14, 2005 - 05:03 AM
Posts: 2198
Location: Under the engine somewhere.
Status: Offline
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SixerViper wrote:
A potentiometer on the throttle quadrant under the console reads PLA angle and tells the DEC how much power the pilot is demanding. For SEC mode, there's a throttle cable that goes to the backup controller and it moves in concert with the PLA. I say all this from the perspective of a pointyhead, so I could be wrong.
For GE's engines...
The PW motors only use a mechanical (throttle linkage) connection between the cockpit and the engine. Primary or Secondary.
PW does not use an electronic PLA signal from the aircraft.
TEG |
_________________
[Airplanes are] near perfect, all they lack is the ability to forgive.
— Richard Collins
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vadrp
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Posted: Mar 24, 2009 - 11:18 AM
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Newbie
Joined: Mar 23, 2009 - 10:22 PM
Posts: 16
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| Thank You and be cool scuba bum |
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vadrap - fighter jet fixer
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