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NexGen Flight Simuator NexGen: Getting the lab working ii
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Engagement
  • Author Author: phoenixcomm
  • Date Created: 26 Dec 2014 1:28 AM Date Created
  • Views 1187 views
  • Likes 3 likes
  • Comments 11 comments
  • flight simulator
  • nexgen
  • LP 411 FM
  • hardware
  • lambda
  • power supply repair
  • lab
Related
Recommended

NexGen: Getting the lab working ii

phoenixcomm
phoenixcomm
26 Dec 2014
image

  • Manufacture:    LAMBDA     Melville, NY
  • Model:               LP 411 FM
  • Serial:                8539
  • Voltage:             0 - 20
  • Current:             8 or 12 (temp)

imageWell the next victim is my LAMBDA LP 411 FM.. This needs the ER.. Picture 1 tells the tale. I need a new meter new binding post (black) I should have that at least. Also the current meter needs both a new lens, and scale the meter itself looks ok. The meter looks like a standard 1.5 inch GE movement (ebay). The current limiter shaft is bent, I don't know if that can be fixed. By looking at the yellow triangle it said 81/82 but the orange tag says: 1972/73.
So what do you know the thing powered up. Man i'm impressed. I have to open it up to fix it. So instead of being asked for interior shots here they are:

image image
Figure 2
The Guts
Figure 3
The rear of the front panel dropped.


Ok lets get to it.

  • Bad News for the black binding post... no gots, so I just ordered one on eBay from China.
  • It looks like I'm going luck out again. The dam panels bent. Not the pot's shaft! That means an entire tair down of the front panels. There are really two of them. The pretty face and the backer.
  • Just as I thought it is a GE meter 18811LCL1AAN. The meter movement is undamaged. Image: 0272.contentimage_4751.png now to just find a donor lens and scale. (Figure 4)
  • Stupid me Image: 1185.contentimage_3.png .... remember to unplug the damn thing... I had to reset the breaker, and most likely replace a blown fuse or two.
  • Next, let's take the panel apart to straighten the back gray panel (lots of little nuts and bolts) Image: 1057.contentimage_2.png(Figure 5)
  • Wow, the back plate is really tweaked (Figure 6), I will have to put this on hold till I can get the panel restored.

image image image
Figure 4
Broken Meter
Figure 5
Front Panel Disassembled
Figure 6
Steel Rule across panel Ouch..

Shopping List:

  • Black Binding Post ... (IN STOCK)
  • Meter Lens
  • Meter Scale
  • Some Fuses... LOL
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Top Comments

  • jw0752
    jw0752 over 11 years ago in reply to phoenixcomm +2
    Yup, The wife likes to turn in at 11:00 and then I go to my shop and read, breadboard circuits and hang out on this site until 1 - 1:30AM. It's peaceful and I like the people on here. John
  • mcb1
    mcb1 over 11 years ago +1
    Christina A couple of pieces of wood and either a vice or GClamps should straighten the panel. You'd also be amazed what a little heat and pressure does in making metal want to return to its original shape…
  • jw0752
    jw0752 over 11 years ago +1
    Hi Cristina, Thanks for the inside shots. It makes it much more interesting to follow your work. You seem to have quite a collection of good quality older test equipment all with a little history. Joh…
  • DAB
    DAB over 11 years ago

    Yes it is amazing how much abuse some of the old gear can sustain and still be brought back to life.

     

    DAB

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  • mcb1
    mcb1 over 11 years ago in reply to phoenixcomm

    That's a shame ... sorry to hear.

     

    I'm sure the opportuninty to climb back will present itself.

     

    Mark

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  • mcb1
    mcb1 over 11 years ago in reply to phoenixcomm

    Cristina

    You may have missed, but its actually Boxing Day here in NZ.

     

    Santa was yesterday ...

     

    what are trolling about on Xmas night??

    Who said the internet was closed over xmas ....

     

     

    mark

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  • jw0752
    jw0752 over 11 years ago in reply to phoenixcomm

    Sorry to hear that. I can't imagine how bad that must have been. Your skills will hopefully allow you to recover.

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  • phoenixcomm
    phoenixcomm over 11 years ago in reply to jw0752

    oh, the world fell in on me.. when Gore lost I owned an ISP and well the bells got in the mix.. and I was in free fall and a few years later the bank won..

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