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O scale (1:48) 65ft turntable

  • 65ft On3 / On30 turntable kit. Perfect for your K37!
  • K37 turning on On3 65ft turntable built and installed by US modeller Mike Klingler.
  • 65ft On3/On30 turntable kit.  complete with motor
  • 65ft turntable pit and bridge inspection by "Einstein"
  • development prototype during motor testing
  • Big Worm motor can handle your big K Classes.
  • basic dimension spec
  • On3/On30 and a wider deck version for standard gauge
  • bridge dimensions.
Price:
£95.00 Waiting for new motor/gearbox.
SKU:
KHT430
Maximum Purchase:
1 unit(s)


Product Description

65ft O scale (1:48) turntable

On3/On30 and standard O gauge.

MOTOR NOW REMOVED FROM KIT. NEW MOTOR/GEARBOX COMING

This model does not follow a particular prototype but rather picks up generic features of US turntables. It has a reasonable hint of EBT flavour!

This is a longer version of KHM's 54ft turntable kit (which is also available in On30/On3 and standard gauge)

Photo below: US modeller Mike Klingler built and installed the kit into his On3 empire. K37 on the bridge.

mike-klingler-tt2-shrunk2.jpg

bridge dimensions

65ft 1/4"/ft (1:48 scale) bridge diameter = 415mm

bridge rail length = 413.5mm

deck width between handrails = 91mm for standard gauge, 75mm for On3/On30

Pit dimensions:

Outer rim = 447.5mm

hole required = 435mm

pit depth:  31mm at centre, 25mm at edge

 

Drive train options:-

Cheap Motor power    I am no longer offering the original cheap 0.6rpm @ 12V motor with this turntable. While it can turn the bridge just fine, and it can turn extremely slowly for track alignment, but it cannot hold the bridge still when stopped - that relies on other system friction, which is a "big ask" when driving an MMI K class on and off the bridge. so while the mount for "El Cheapo" motor is included with the kit, you would have to source the motor yourself (they are really cheap on ebay). 

Hand from heaven!  In most basic form of the kit turning is hand from above using the push poles.  simple!

New KHM/ABC motor/gearbox. the close tolerance gearbox holds the bridge rock still when it is stopped. slow powerful motor makes alignment by eye easy. It has to be ordered separately (when it is ready!)

Indexing: I have an adapter for ADMs exellent indexing system - just ask.

DCC or DC. Like all KHM turntables can be used with either system. The track power connection rings are continuous so loco DCC decoders are contnually pwered (best for sound). The contact plungers are 6A rated. Polarity can be handled with a DCC reversing module or a simple DPDT switch.

Primary shaft turning plate: the heart of all KHM turntables and now proven design. This is a jig-built, ready-assembled item with the 4mm primary shaft pinned and epoxied into a milled brass section. She ain't slipping!!

Assembly and construction:-

Bridge frame is made of laser cut ply, with basswood cross beams and hardwood decking. supplied with ply handrail stanchions and piano wire handrails for a stiff robust solution. Glued together with step by step photo instructions. Novices have built my turntables!

Bridge track is not included as there are too many options. Besides you have lots of it for the rest of the railroad!

Pit is laser cut 3mm and 4mm ply. Because of the weight of locos it is best to support the turntable from below, rather than the rim (unlike other KHM turntables)

While the kit will make up a whole pit with base , because of the size it is strongly recommended to fix an additional flat, rigid 3/8" ply surface to the underside to maintain rigidity. This isn't in the kit because that would weigh far too much and be too big to ship!

Ring rail:  code 82 included to the kit, soldered to PCB ties and a simple jig ensures you get it circular and set in the right place. All KHM turntables use this method and its proven over last 5 years. Its simple, even for novice solderers - honest :)

Bridge wheels: turned from Delrin on KHM's lathe with ball-race bearings. They are wide enough to be forgiving of "assembly tolerance" of the ring rail.

It would not take much to create a Durango version from this kit (add air motor and platform + angled stanchions)- but I remind my US customers that a On3/On30 Durango kit is available from Wiseman Model Services if you wish to go down that path.

 

 

 


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