Master list of all "Jawbone Branch" layout planning & construction blog posts.
The Southern Pacific's Owenyo Branch, as it was officially known, earned its nickname "Jawbone" from the saber-tooth jawbone that was found near Cantil in Red Rock Canyon when the original California Aqueduct was being built around 1908-1916.
The physical shape of the branch is also shaped rather like a jawbone. I've selected to only model three towns of interest, as the whole branch was 143 miles long out of Mojave. The branch skirts the northern edge of the Mojave Desert, then crosses the El Paso mountains, then follow the Owens Valley, a couple valleys west of the more famous Death Valley. If I was to model the branch in full HO scale, it would be 1.625 Miles long! I only have a 11x20ft shop that I can go around the walls in, so I have to be much more selective of what my little slice of nowhere will model.
The Southern Pacific's Owenyo Branch, as it was officially known, earned its nickname "Jawbone" from the saber-tooth jawbone that was found near Cantil in Red Rock Canyon when the original California Aqueduct was being built around 1908-1916.
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| Highlight red bullets for my Layout's focal points John Signor Jawbone Branch Map - owensvalleyhistory,com |
The physical shape of the branch is also shaped rather like a jawbone. I've selected to only model three towns of interest, as the whole branch was 143 miles long out of Mojave. The branch skirts the northern edge of the Mojave Desert, then crosses the El Paso mountains, then follow the Owens Valley, a couple valleys west of the more famous Death Valley. If I was to model the branch in full HO scale, it would be 1.625 Miles long! I only have a 11x20ft shop that I can go around the walls in, so I have to be much more selective of what my little slice of nowhere will model.
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| A couple SP boxcars from B-50-28 and -31 classes on my Jawbone Branch yard at Owenyo with Photo-shopped photo of Inyo Mountains where the backdrop will eventually be. |
The track plan below is my current plan to model three towns on the Jawbone Branch between Mojave (staging) and Owenyo in the Owens Valley.
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| Jawbone Branch - March 2022 Track Plan version - Jason Hill's design |
Room is 20'8" x 11'6" with 51.25" clear between corners and 36" door ways on each ends. Owenyo details of track centers, details, and structures committed for clarity in this drawing.
2020, Nov 3 - Part 1 - Concept & Planning
2020, Nov 7 - Part 2 - Research & Changing Track Plans
2020, Nov 10 - Part 3 - Consists & More Bartlett Research
2020, Nov 20 - Part 4 - Freight Car Roster
2021, Jan 13 - Part 5 - Pulling the Trigger - Starting the Layout
2021, Jan 17 - Part 6 - Q&A, Continuing Design Tweaks
2021, Jan 23 - Part 7 - Film & Construction Begins
2021, Jan 30 - Part 8 - Little Lake Grows
2021, Feb 1 - Part 9 - Layout Materials Change
2021, Feb 8 - Part 10 - Track Plan Details of Owenyo
2021, Feb 14 - Part 11 - More Research into Fuel Dealers
2021, Feb 21 - Part 12 - Cutting Time!
2021, Feb 25 - Part 13 - A Bridge Too Far? - To Bridge or Not to Bridge? That is the Question...
2021, Feb 27 - Part 14 - Construction & Mock-ups for Height
2021, Mar 10 - Part 15 - Passenger Ops & ETT Research Notes
2021, Mar 18 - Part 16 - Brackets, Pits & Diagonal Braces
2021, Mar 18 - Part 17 - Upgrading Bracing, Mojave Structure, & Foam
2021, Mar 24 - Part 18 - Owenyo Wye Construction & ME Track Arrives!
2021, Mar 29 - Part 19 - Owenyo #1 Secondary Bracing & Wye
2021, Mar 30 - Part 20 - Narrow Gauge Transfer Pit Track at Owenyo - "Ski Ramp" for NG equipment to load/unload from standard gauge flatcars.
2021, Apr 3 - Part 21 - Bolting and Aligning Modules
2021, Apr 7 - Part 22 - Laying Staging Flex Track
2021, Apr 10 - Part 23 - Switch Parts & LMRC Switch Standards
2021, Apr 23 - Part 24 - Let There Be Light!
2021, Apr 28 - Part 25 - Wye? Because!
2021, May 6 - Part 26 - Engine Spot & Water Track Detailing
2021, May 16 - Part 27 - Finishing Up East Owenyo Switches
2021, May 31 - Part 28 - Laying Out the NG-SG Transfer Pit
One Year Later...
2022, Apr 1 - Part 29 - One Year Vacation - April Fools!
2022, Apr 16 - Part 30 - Electrical Supplies
2022, Jun 27 - Part 31 - Wiring Owenyo Modules
2022, Jul 19 - Part 32 - Rebuilding LED Lighting Strips
2022, July 25 - Part 33 - Expanding Operations
2022, Aug 1 - Part 34 - Ground Throws & Starting Operations
2022, Aug 30 - Part 35 - Cutting Out Owenyo #3 Module
2022, Aug 30 - Part 36 - Catching Up on House Keeping
2023, Oct 15 - Part 38 - Freight Forwarders & Connecting Symbols
2023, Nov 1 - Part 39 - A Ferro-Equestrian Archaeology Field Trip
2024, Mar 8 - SP Jawbone Branch (Part 43) - Testing Track Painting - on the Owenyo Wye Tail section
2024, Mar 10 - SP Jawbone Branch (Part 44) - Soapstone - An Unexpectedly Useful Material
2024, Apr 6 - SP Jawbone Branch (Part 45) - DDC Control Planning & Engine DCC Ponderings - plus progress on my 6-month old hand injury finally!?
2024, Apr 6 - SP Jawbone Branch (Part 45) - DDC Control Planning & Engine DCC Ponderings - plus progress on my 6-month old hand injury finally!?
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