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On30 11.25" girder turntable

  • On30 11 1/4" turntable. Very useful for Small tender locos
  • On30 Turntable
  • Handrails undergoing inspection
  •  shallow 30" pit - appropriate for an NG turntable
  • standard track can be used, with a simple self centering method. Peco 00/HO SL100 shown here.
  •  turntable bridge without the decking.
  • Paired wheelsets for accurate alignment to the running rail
  • August 2021 motor arrangement
Price:
£65. Back in Jan2023
SKU:
KHT350
Scale:
Maximum Purchase:
1 unit(s)


Product Description

On30/Sn3 11.25" TURNTABLE KIT!

CHEAP MOTOR IS NO LONGER INCLUDED. They are available on ebay. Search for "0.6rpm motor gearbox"

An 11.25" bridge length version of our very popular 9" On30 turntable

11.25" is just enough for a Bachmann On30 2-8-0 consolidation.

On30, On3 and Sn3 guys - please select On30, On3 or Sn3 from the buttons.  Note the Sn3 variants are not true Sn3 TTs, but I have modifications that cut down the O scale timbers and give it an Sn3 deck to make it passable and for Sn3 the pit wall is smooth.

OO guysHave some respect for your British OO steamers! There is no need to attempt a bodge job conversion on an On30 kit.

The turntable is designed to take a GW370 style 0.6RPM motor+gearbox. (£10-15 on ebay usually with free shipping)  The motor itself is not included, but the motor mount, screws, and shaft coupler is. This high-torque low current motor is rated at 0.6RPM at 12V and is directly coupled to the shaft.  Its best to run it from a DC variable supply, (or DCC loco decoder) so it can be reduced in speed to "extremely slow" for easy alignment with the tracks

Operationally the turntable has sprung plunger contacts for reliable power-routing of the rails - a robust type used by the electronics industry.

The turntable features continuous power-routing (not a split ring design). Polarity can be changed with a DPDT switch for DC(or DCC) use, or a DCC reversing module can be used to ensure continuous operation of a sound chip. if you have DCC, a reversing module or dual frog juicer is the best bet. wiring instructions and schematics are included in the instructions.

The kit does not include bridge track - your own track can be fitted easily using its existing ties to set gauge, or you can spike your own rail in place. The version of gauge only affects the decking widths.

The turntable body components are laser-cut poplar ply, birch microply and laserply, with laser-cut bass crossbeams and a deck surface of laser-cut basswood representing approximately 9inch timbers in 1/48 scale. the kit has handrails made from piano wire to keep them robust and perfectly straight.

The circular running track (code 75 rail included) is built up from a jig (included) that is really easy to get perfectly circular and centred. Yes really! Even a complete soldering beginner will find it simple.

ringjig.jpgpitwall.jpg

Supporting wheelsets are 12mm double-flanged wheels that track the running rail without falling off. they are wide enough to accommodate a fair degree of "assembly tolerance"  and fit into wheel housings that ensure they are aligned at the correct angle and sit centrally on the rail.

The 11.25" turntable needs a 11 3/4" hole.

The pit depth is just over over 2 1/2 scale feet (16mm) at the pit wall.

Overall depth from the track base is 3 1/2", including motor.

Pdf Instructions will be emailed to you soon after ordering. If you want to see them first to get better idea of the kit please contact me - no obligation, electrons are free :)

Simple, effective, reliable, affordable.

 

 


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