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Search: Posts Made By: baigar
Showing results 1 to 35 of 65
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Forum: Engineers & Technicians
24th Feb 2023, 08:47
Replies: 41
Views: 14,342
Posted By baigar

!! Schematics wanted!!

On the last three weekends tried to fire up the LTN72 using my 1500W inverter and a separate supply for the accumulator 28V input. The power supply alone if supplied with 115VAC starts drawing 20W...
Forum: Engineers & Technicians
5th Feb 2023, 19:27
Replies: 41
Views: 14,342
Posted By baigar

Wiring of the LTN72 to Mode-Panel and CDU is...

Wiring of the LTN72 to Mode-Panel and CDU is complete with all required connections. Impedances look good and Inverter is ready with a 3A fuse permitting around 320W maximum into the INS. First try...
Forum: Engineers & Technicians
28th Jan 2023, 16:31
Replies: 41
Views: 14,342
Posted By baigar

Today connected wires to the mode panel and the...

Today connected wires to the mode panel and the CDU and did some measurements to verify what my pinouts tell me. For both panels I seem to have the correct pinouts and the CDU even sends out digital...
Forum: Engineers & Technicians
25th Jan 2023, 07:14
Replies: 41
Views: 14,342
Posted By baigar

Thanks Simon again for the interesting and...

Thanks Simon again for the interesting and helpful information (your efforts are highly appreciated); I will definitively follow your advice and in case of problems swapping the driver OpAmps is not...
Forum: Engineers & Technicians
22nd Jan 2023, 10:41
Replies: 41
Views: 14,342
Posted By baigar

Hi Simon, thanks for the feedback and the...

Hi Simon, thanks for the feedback and the additional hint. Found the indicators (they have been hidden behind the label of the lowest PCB) and no one is triggered:
...
Forum: Engineers & Technicians
21st Jan 2023, 17:03
Replies: 41
Views: 14,342
Posted By baigar

Thanks Simon for the tips and efforts in digging...

Thanks Simon for the tips and efforts in digging that out. Just verified: While the sticker with the calibration data of the LTN72RH can be seen on the pictures I got from the seller, it got lost...
Forum: Military Aviation
4th Jul 2021, 10:12
Replies: 109
Views: 25,791
Posted By baigar

Ahh, very nice - one of the Jaguar's air data...

Ahh, very nice - one of the Jaguar's air data computers; I had thought, it used the same computer
part. no. 81-01-26 (6TP/6205277) as Nimrod did, but obviously it is different, 81-01-08.
Have a...
Forum: Military Aviation
3rd Jul 2021, 14:44
Replies: 109
Views: 25,791
Posted By baigar

Schematics for 920M and 920ME computers...

I had asked on the XX764 restoration group, but maybe I will also ask in what looks like the biggest and most active Jaguar
group on facebook, www.facebook.com/groups/SEPECATJaguar/ . The RAA...
Forum: Military Aviation
2nd Jul 2021, 16:16
Replies: 109
Views: 25,791
Posted By baigar

Thanks for that documentation - of course I know...

Thanks for that documentation - of course I know these sites and I am working with Andrew Herb and Terry Froggatt who is a real software expert on the 900 series. In fact they have two non-working...
Forum: Military Aviation
2nd Jul 2021, 12:40
Replies: 109
Views: 25,791
Posted By baigar

If anyone out there comes accross schematics of...

If anyone out there comes accross schematics of the 920M computer (or its successor, the 920ME), please get in touch - that would be highly appreciated! Many thank and best wishes...
Forum: Military Aviation
19th May 2021, 10:36
Replies: 109
Views: 25,791
Posted By baigar

920M - NAVWASS-Computer restored ;-)

Wow - pretty cool! What is the status of the project meanwhile and can the model be obtained separately, e.g. as Step-File for loading into a CAD system? Just want to add that I restored one of the...
Forum: Engineers & Technicians
27th Mar 2021, 14:11
Replies: 41
Views: 14,342
Posted By baigar

That here is my LTN72RH-Experimental kit: Once I...

That here is my LTN72RH-Experimental kit: Once I will have access to the INS unit after Corona, I will use the documentation from the Laker Airways DC10s (bottom left), to wire up the INS to my 3...
Forum: Engineers & Technicians
24th Mar 2021, 09:42
Replies: 41
Views: 14,342
Posted By baigar

Hi G4PoweredDecent, thanks for your answer!...

Hi G4PoweredDecent, thanks for your answer! Always great to hear first-hand experience! Surely you had plenty of time playing with the systems during your time riding the DC10 ;-) Some questions...
Forum: Engineers & Technicians
30th Nov 2020, 08:00
Replies: 41
Views: 14,342
Posted By baigar

Hmm, as I stated - the schematic above matches my...

Hmm, as I stated - the schematic above matches my LTN-72 CDU and I also have CDU (3) from the first posting where the pinout does NOT match. Probably the CDU (3) above is what you have got, too. But...
Forum: Engineers & Technicians
23rd Nov 2020, 17:50
Replies: 41
Views: 14,342
Posted By baigar

Hi there and thanks for the positive words on my...

Hi there and thanks for the positive words on my FIN1010 and FIN1012 related work! It is still an exciting journey and almost daily interesting learning! Cool to see, that others out there also have...
Forum: Engineers & Technicians
26th Sep 2020, 13:19
Replies: 41
Views: 14,342
Posted By baigar

Hi Rimmer, thanks for your posting - yes, the 72...

Hi Rimmer, thanks for your posting - yes, the 72 is derived from the 52 but this also had a gimbaled (not fixed) platform. Those days all these systems worked like this for some reasons (1) the...
Forum: Engineers & Technicians
23rd Sep 2020, 14:45
Replies: 41
Views: 14,342
Posted By baigar

Hi there - thanks for the input! Sounds quite...

Hi there - thanks for the input! Sounds quite interesting - if you have more stuff to share, you are welcome to get in touch via email at [email protected]! Yeah, the unit look very interesting and...
Forum: Engineers & Technicians
26th Apr 2020, 10:25
Replies: 41
Views: 14,342
Posted By baigar

Hi QA1 - many thanks for your informative post!...

Hi QA1 - many thanks for your informative post! Given the part number for the LTN72 panel, I
indeed found a pictures on AeroBay (https://www.aero-bay.com/p/452090-02/70984) - the panel indeed looks...
Forum: Engineers & Technicians
25th Apr 2020, 10:38
Replies: 41
Views: 14,342
Posted By baigar

Wow - cool; thanks for the information. So good...

Wow - cool; thanks for the information. So good to know and for the long flight time over the
Atlantic, 8 miles are not so bad. The military Ferranti systems from the 1970ties I restored
and have...
Forum: Engineers & Technicians
24th Apr 2020, 18:31
Replies: 41
Views: 14,342
Posted By baigar

Thanks for your comments, Wodrick! Sad, that your...

Thanks for your comments, Wodrick! Sad, that your notes etc. went to the recycling, but can understand this after your retirement. Probably you remember whether you often encountered failures in...
Forum: Engineers & Technicians
24th Apr 2020, 11:40
Replies: 41
Views: 14,342
Posted By baigar

Hi, thanks for the answers! Will try my best with...

Hi, thanks for the answers! Will try my best with the guys at the VMARS, although they may be centered on radio stuff? Thanks also to Wodrick, yes, the unit is very heavy (25+kg), so for the tree...
Forum: Military Aviation
24th Apr 2020, 10:39
Replies: 26
Views: 10,670
Posted By baigar

As there was some time during the lock-down I had...

As there was some time during the lock-down I had a look at an attitude indicator NDN6714-03, ref. no. 6370014, made by Louis Newmark, to see whether it might fit the test set.......
Forum: Engineers & Technicians
23rd Apr 2020, 14:28
Replies: 41
Views: 14,342
Posted By baigar

Litton INS - LTN-72RH

Hi there - there is a long history of various inertial navigation systems from Litton from very early
mechanical ones until recent ones based on laser gyros and GPS fusion. Recently I obtained a...
Forum: Engineers & Technicians
26th Mar 2019, 15:24
Replies: 13
Views: 5,924
Posted By baigar

Hi Max Angle - thanks for your answer... Really...

Hi Max Angle - thanks for your answer... Really astonishing for an non-insider, that the procedures between different airlines are that different even on the same type of equipment... Thanks for your...
Forum: Engineers & Technicians
18th Mar 2019, 08:49
Replies: 13
Views: 5,924
Posted By baigar

Many thanks Epsomdog - this explanation is...

Many thanks Epsomdog - this explanation is perfect and now I fully understand it! The setup makes sense as
it does not allow oil getting lost ;-) Thanks!
Forum: Engineers & Technicians
11th Mar 2019, 12:06
Replies: 13
Views: 5,924
Posted By baigar

Well, looking at the video the PTU is explained...

Well, looking at the video the PTU is explained like a simple on/off valve to let hydrolic oil from the
higher pressure system (e.g. yellow correctly at 3000psi) flow to the lower pressure system...
Forum: Engineers & Technicians
4th Mar 2019, 16:57
Replies: 13
Views: 5,924
Posted By baigar

Yes you are right, after being sensitized to this...

Yes you are right, after being sensitized to this sound and knowing its origin it hurts the engineering/physics
part of my brain each time it kicks in ;-)
Forum: Military Aviation
10th Feb 2019, 16:25
Replies: 60
Views: 24,017
Posted By baigar

Thanks for the positive words. Indeed I want to...

Thanks for the positive words. Indeed I want to preserve as much as possible
from this outstanding technology. I even filed a request at the Air Historic Branch
of the RAF to get some of the...
Forum: Military Aviation
9th Feb 2019, 19:15
Replies: 60
Views: 24,017
Posted By baigar

Hi, probably some people are following this...

Hi, probably some people are following this thread who have been on board the Nimrod in the
1990ties? Over the years I restored some of the vintage Ferranti inertial navigation systems
and among...
Forum: Engineers & Technicians
28th Jan 2019, 18:38
Replies: 13
Views: 5,924
Posted By baigar

Many thanks - that is exacly what I mean. Here a...

Many thanks - that is exacly what I mean. Here a youtube example...

youtube link

...of such a (very monotonic) sound for other readers! Cool that you solved this puzzle so fast...
Forum: Engineers & Technicians
28th Jan 2019, 18:15
Replies: 13
Views: 5,924
Posted By baigar

A320 - which electric/hydraulic motor is making this sound?

Hi tech experts - travelled some times with an A320 now and I wonder what
motor makes that sound clearly audible after engine shut down in parking
position, best audible from above the wings? It is...
Forum: Military Aviation
24th Jan 2019, 08:49
Replies: 7
Views: 2,258
Posted By baigar

There is a discussion regarding a similar piece...

There is a discussion regarding a similar piece of equipment here: RAF heading/reference system...
Forum: Military Aviation
9th Aug 2018, 15:17
Replies: 26
Views: 10,670
Posted By baigar

Meanwhile I obtained a picture of the panel from...

Meanwhile I obtained a picture of the panel from the VC-10 (Thanks a lot to Terry!) - it looks
quite different from the Hawk's panel and is marked as "COMP":
...
Forum: Military Aviation
9th Aug 2018, 08:44
Replies: 26
Views: 10,670
Posted By baigar

Thanks BEagle for the information. Here WEB page...

Thanks BEagle for the information. Here WEB page dedicated to the VC-10 (http://www.vc10.net/), but
unfortunately the cockpit photos (http://www.vc10.net/Photos/inside_the_vc10.html)there...
Forum: Military Aviation
8th Aug 2018, 14:46
Replies: 26
Views: 10,670
Posted By baigar

Just checked the WEB but have not been able to...

Just checked the WEB but have not been able to spot the panel in any of the pictures
there (not cockpit and not tech station): a...
Showing results 1 to 35 of 65
 
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