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Author Topic: Memphis 727 Build  (Read 2246 times)

Offline skyline223

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Re: Memphis 727 Build
« Reply #25 on: September 04, 2018, 11:18:42 PM »
More forward progress today. Finished up some last details on the left back wall. Installed the aft observers seat, wall hooks, and put in a small bookshelf underneath the observer table. It is a unit I found at IKEA and painted to match. It is the perfect size for my slow growing collection of manuals.


Next I painted the outer back wall of the sim. I went with a simple satin white that will be a good canvas for some decals I have planned - more details coming on that a bit later. To the left of the door is the "Return to seat" light and below that is a cabin lighting panel that I have wired to control the light on the outside of the sim. The return to seat light will be wired to illuminate when the seatbelt sign is switched on via the overhead.

This is also a pretty good picture to show how tight the shell fits in the room with the vaulted ceiling!
« Last Edit: September 04, 2018, 11:38:10 PM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline skyline223

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Re: Memphis 727 Build
« Reply #26 on: September 07, 2018, 11:12:55 PM »
A few more days gone by, a few more bits of progress to report.

F/O side upper eyebrow trim is installed. Installed LED's in the original dome fixtures, and mounted the 28V original map light. Anxious to hook the lights up to power, but that will be further down the road.


Hauled the F/E panel up the stairs and mounted up in the sim. Still a static display piece for now. I look forward to interfacing it later on. It did get a little love today though. I replaced the flood lighting with warm LEDs - hard to beat the low current draw and no heat!


A fun item pulled off fleabay.. original Pan Am aircraft first aid kit. Mounted up nicely on the backwall and complete with 50 year old first aid essentials.


Most likely the majority of time today was spent on a complete revamp on the project website and the creation of an Instagram page. In addition, I've officially named the build "The Boeing 727 Legacy Project" as my goal is not only to build a functional cockpit, but to carry on the historical legacy of the 727.

Other notable progress from today but with no pictures: I began tearing apart the throttle quadrant for a total overhaul. It will need a thorough cleaning, fresh linkages, pots, and some reconfiguration. I will make the electric trim wheels functional. Tonight I started work interfacing my Sperry SP-150 autopilot.

Reworked website: www.727simulator.com
Instagram: https://www.instagram.com/727simulator/
« Last Edit: September 07, 2018, 11:16:40 PM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline blueskydriver

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Re: Memphis 727 Build
« Reply #27 on: September 07, 2018, 11:31:09 PM »
Hey Will,

Is your TQ a real one? What about the 2 bay ped behind it?

John
| FSX | FDS-MIP OVRHD SYS CARDS FC1| PM | PMDG 737-700 | UTX | GEX | UT7 | ASE | REX2 | AES | TSR | IS | TOPCAT | AvilaSoft EFB | OC CARDS & OVRHD GAUGES| SIMKITS | SW 3D Lights | FS2CREW2010 | FSXPassengers | Flight1 AE | MATROX TH2GO-D | NTHUSIM | 3-Mits EW230Ust Proj |

Offline skyline223

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Re: Memphis 727 Build
« Reply #28 on: September 08, 2018, 07:54:52 AM »
Hey Will,

Is your TQ a real one? What about the 2 bay ped behind it?

John

The TQ is not real. It is the original unit from the CPT. That being said, it was probably the best piece of original hardware in the CPT so I've kept it through the years. The throttle levers themselves look and feel very good. The 2 bay pedestal is a pain though. It does not have dzus rails so I have to improvise a bit to make things work. Here's the only picture I could find from a few years ago when I had just installed the Opencockpits radios. These will be rearranged now with the SP-50 going in. Transponder will likely move to the center "CDU bay" (for lack of a better term). The original parking brake lever is MIA so I had to make do with a covered toggle switch. I haven't looked very hard but I'd like to find another parking brake lever one day.
« Last Edit: September 08, 2018, 07:56:05 AM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline blueskydriver

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Re: Memphis 727 Build
« Reply #29 on: September 08, 2018, 08:07:08 AM »
Will, check your PM's

John
| FSX | FDS-MIP OVRHD SYS CARDS FC1| PM | PMDG 737-700 | UTX | GEX | UT7 | ASE | REX2 | AES | TSR | IS | TOPCAT | AvilaSoft EFB | OC CARDS & OVRHD GAUGES| SIMKITS | SW 3D Lights | FS2CREW2010 | FSXPassengers | Flight1 AE | MATROX TH2GO-D | NTHUSIM | 3-Mits EW230Ust Proj |

Offline fsaviator

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Re: Memphis 727 Build
« Reply #30 on: September 10, 2018, 10:54:46 PM »
Great thread, Will.  Thanks for sharing!  eagerly waiting the next installment
Warren "MTN385"
Florida

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Offline skyline223

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Re: Memphis 727 Build
« Reply #31 on: September 11, 2018, 06:58:13 PM »
Great thread, Will.  Thanks for sharing!  eagerly waiting the next installment

Thanks, Warren! I fiddled with a few different things today, but something I thought you guys might enjoy:

I acquired two Eastern Airlines 727 flight manuals, but the most exciting thing about them was the two tri-fold checklists that were tucked inside. I scanned these original checklists in, cleaned them up a bit, adapted them for 8.5"x 11" and customized with the project logo. We use tri-fold checklists at work and I really like the format. If any of you care to have the checklist, here's the link to it so you can print it at home.

https://www.dropbox.com/s/mobl3fxfu8i8w1y/727CHECKLIST.pdf?dl=0

I printed using cardstock paper with a slight off-white tint for the vintage appeal. Simply print the PDF double sided and then tri-fold accordingly. Enjoy!





« Last Edit: September 11, 2018, 07:01:45 PM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline fsaviator

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Re: Memphis 727 Build
« Reply #32 on: September 11, 2018, 07:53:53 PM »
Very nice!  Thanks!
Warren "MTN385"
Florida

http://www.B737NG-SIM.com and https://www.facebook.com/fsaviator on facebook
FSX, Prosim737 Suite, FDS DSTD 2.0 MIP, RevSim Proline TQ, ACE Dual-linked Yokes, Intel 3.5GHz i7-3770K, MSI Z77A-G45, 16GB G.Skill TridentX DDR3-2400, Galaxy GTX670 GC 4GB, OCZ 60GB Vertex 3

Offline skyline223

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Re: Memphis 727 Build
« Reply #33 on: September 11, 2018, 10:27:39 PM »
Milestone day, the first gauge working! Big thanks to Rob Archer for the pin-out. Very exciting stuff to see the needle and digits move on this gauge. I'm currently an Arduino idiot but there's only one way to learn something and that is to do it. I look forward to diving in deeper as I go along.

« Last Edit: September 11, 2018, 10:45:13 PM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline skyline223

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Re: Memphis 727 Build
« Reply #34 on: September 19, 2018, 05:16:26 PM »
Gosh, hard to believe it has been over a week since I checked in last. I have spent at least six hours every day working on the throttle and autopilot, with most of the work being on the latter. It is very slow going work reverse engineering parts that you have no schematics for.

Here is the finished product of the fully rewired Sperry SP-150. All solenoids, switches, controls, and backlighting are functional. The only remaining step is to get everything programmed correctly in X-Plane.



I removed 99% of the original wiring on the autopilot and started fresh. I will also leave it without the enclosure because I have limited space inside my pedestal.

I am waiting on an arduino relay expansion module to control the lockout solenoids. For now they work with manual 24-28v power. All switches and pots are wired to a BU0836X. The pitch control nose down/up and left right is recognized as a XY axis. I played with the autopilot in FSUIPC with P3D (for now, I know my way around this platform much better) and was able to fly around a little bit. Further tweaking and experimentation will be necessary, but for now I am pretty happy.

The backlighting took some time to get right. The original backlight panel had the micro incandescent bulbs that are not cost effective to replace. All but one were burned out. I removed the backlight panel and installed 3mm warm white LED's into the original lamp locations of the front panel (a little hot glue is your friend). A few resistors and we are cookin'. I'm really pleased with the end result and LED's are always better all around.



If anyone needs help interfacing a Sperry autopilot feel free to reach out to me (even if you are reading this thread in 2025). I found quite a few threads on the internet where someone would say "HEY just finished interfacing my SP-50 here it is working!" with no explanation. I'm always happy to help anyone with what I have learned if I can. PM me here or contact me through my website www.727simulator.com

The throttle is slowly coming together. I took apart the linkages, cleaned and regreased them. I installed all fresh pots which was much needed. As you can partly see in the above photo, I'm slowly repainting the throttle bit by bit and installing fresh decals. I'm making these decals from scratch in Photoshop and will upload them on here when I'm finished if anyone wants them.

Next steps will be rigging up the motorized trim wheels, trim indicators, and getting the throttle all buttoned up. That will be a big milestone. Of course, I'll be continuing to try and figure out arduino and X-Plane as I go along, because that logic will certainly be needed for the trim system.

P.S. - someone sent me a message after I made my last post asking about details of how I have the N1 gauge interfaced with X-Plane. I for the life of me can't find the message now, but to clarify, I do not have the gauge talking to X-Plane YET. I am just using the arduino as a signal generator for now. I am greatly looking forward to getting the signal from X-Plane as I gain more knowledge of arduino.

Till' next time..
« Last Edit: September 20, 2018, 09:09:23 PM by skyline223 »
The Boeing 727 Legacy Project
www.727simulator.com

Offline Joe Lavery

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Re: Memphis 727 Build
« Reply #35 on: September 20, 2018, 03:08:34 AM »
Very interesting and informative thread Will.
 
I agree there are dozens of YouTube videos of "look what I can do" content, that are about as much use as a chocolate spanner.   ;)
It's comforting to see someone actually offering to show how it was done. So you've joined a fraternity of many like minded fanatics that all suffer from this terrible simulation sickness.  8) 8)

For future reference if you need to replace a backlight circuit, you can get a copper clad board of .8mm thick and isolation route it to accommodate SMD LEDs and resistors. You will of course need a small CNC machine to do this, but for many of us that's an essential component for sim building. Also the cost of these machines is very small when you compare some of the prices that commercial vendors charge for after market components. 
:2cw:

I've attached a pdf of the throttle labels, not sure where I got these from or who created them but they might save you a bit of time. They are NG I believe.

Keep up the good work Will, I look forward to your next installment.
Joe.
« Last Edit: September 20, 2018, 03:27:03 AM by Joe Lavery »
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Offline kurt-olsson

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Re: Memphis 727 Build
« Reply #36 on: September 20, 2018, 04:16:56 AM »
Great progress!

Offline 737NGer

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Re: Memphis 727 Build
« Reply #37 on: September 20, 2018, 06:29:17 AM »
Can't be NG...arc length between flap angles variable (Classic)

Offline Joe Lavery

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Re: Memphis 727 Build
« Reply #38 on: September 20, 2018, 06:51:20 AM »
I stand Corrected, but I did say I wasn't sure.... :-X 8) 8)
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Offline dougsnow

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Re: Memphis 727 Build
« Reply #39 on: September 21, 2018, 07:41:20 PM »
Will

On a recent business trip to DC over the ADS-B Mandate with the FAA, I took the liberty of writing a cleaner version of the EAL 727 Checklist.  Granted, I couldn't exactly duplicate the font of the EAL Checklist, but I think I got it pretty close.  If you need the Word version - I'll be glad  to forward it your way.

https://www.dropbox.com/s/zcyyi8t84nx0ko4/727%20CHECKLIST.pdf?dl=0

I'm watching an old Delta 727 systems ground school on YT.  I got my aircraft dispatcher certificate on the 727 so I knew the systems on that beast once - its a good refresher.

Offline skyline223

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Re: Memphis 727 Build
« Reply #40 on: September 22, 2018, 06:26:37 PM »
Wow Doug! That is great work, I cannot imagine how much time that must have taken you! You did a great job. I'd love to have that Word doc as well. Also I think that checklist font is pretty close to a Milspec font.
http://www.fontsaddict.com/font/MilSpec33558.html
Bebas Nue seemed to be a pretty decent match for the bold titles.

Again, great work - highly commended!!!!
The Boeing 727 Legacy Project
www.727simulator.com

Offline skyline223

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Re: Memphis 727 Build
« Reply #41 on: September 22, 2018, 06:43:36 PM »
John (blueskydriver) 3D printed me a glareshield checklist holder. Great work!! Still need to bolt it down but its a great fit. Thanks again, John!!

The Boeing 727 Legacy Project
www.727simulator.com

 

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