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T-TRAK Sub Mississippi Valley Associated Railroaders |
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Home (7 Nov 2011) Introduction (7 Nov 2011) MVAR TTrak specs (21 Nov 2011) Members modules(1 Dec 2011) Members layouts (7 Nov 2011) Tools for shows (7 Nov 2011) Show archives (7 Nov 2011) Useful links (7 Nov 2011) |
Module sizes Kato turnout setup Colours Special modules for L and T layouts TTRAK Electrical Connectors Kato track required for modules - Module sizes The club uses the alternate standard, the tracks are 33 mm apart. The club uses 14 3/8 square alternate standard corners. The club started off using 11 3/4 inch deep modules but is now recommending 14 5/16 inch deep modules so there is no gap in the middle of the layout. Modules are built in multiples of the standard module width, the module frame is made 2 mm smaller than the track to allow the tracks to overhang the ends of the modules so they lock together in case the ends of the module are not perfectly square.  - Kato turnout setup. If using number 4 turnouts the factory default is "Power routing and frog power on" if you plan using DCC then change this to "Non power routing and frog power on" BEFORE gluing the turnouts down - Colours Module edges - there are three main colours used by clubs for the sides of the modules, black, brown and green. The club recommends using the black edges. grass - most members use woodland scenics, blended turf, green blend T49. - Special modules for L and T layouts In order to make L and T shape layouts special filler modules are required to make the loop join up. Using alternate spacing and 14 3/8 corners, the filler modules needed for L shaped layouts is 11.25 inches. (See Unofficial TTrak Handbook Mainline Modules - Church photos - just after pictures.) Bob Summers has built 2 of these modules BS 7 and BS 8. - TTRAK Electrical Connectors The MVAR TTRAK sub does not use the TTRAK standard for connectors, it uses Cinch Jones connectors as originally used on Ntrak modules. All club corners have power connectors. The connectors for the outer track are colour coded RED. The connectors for the inner track are colour coded YELLOW. On the RED connectors the wide pin goes to the inner rail and the narrow connector to the outer rail. On the YELLOW connectors the wide pin goes to the inner rail and the narrow connector to the outer rail. The red connectors are the opposite way to the official TTRAK specifications. These modules can be connected to another club and will run alright as long as the power feeds on these modules are not connected with the power feeds of another club. On layouts of more than 2 tables the power feeds of the modules should be connected together to over come the power loss in the rails.  - Kato track required for modules Bob has produced a list of Kato track required to build various modules. He has also listed the club member price for the track. 
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John Allen 3 November 2011