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7mm scale 65ft turntable

  • 7mm/ft O scale 65ft turntable kit
  • 7mm/ft O scale 65ft turntable kit. Pictured here with a GWR King Class loco.  (thanks to Robin Baker for the loan of his loco!)
  • Bridge framework without decking
  • chequer-plate adds interesting detail, and optional C&L code125 rail and chairs look great. simple jig centres the rails
  • 28mm delrin wheels with ball race bearings give smooth ride with minimal friction
  • "Big Worm" 0.6rpm motor has plenty off grunt.  Tested up to 4kg weight across the bridge.
  • Image 7
  • cross section. girder bridge with outriggers for decking support and hand rails
  • UK modeller Mike Abel's turntable with his 9F
  • 7mm O scale 65ft turntable
  • Mark Pollard installed his 65ft turntable in a roundhouse
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Product Description

65ft O scale (7mm/ft scale) turntable kit.

An adapter for ADM's excellent indexing system is available. I highly recommend this product for "maximum turntable driving pleasure"

Find out more at ADM turntables

This kit is great for turning your large locos. Fit for a King!  It picks up generic features found across the UK, rather than focusing on a particular prototype.

Assembly is straightforward with step by step instructions with many photos. No need for clever solder skills it really is for the "average" modeller. Kit comes all the needed electrical contacts for the bridge and is "DCC sound friendly" - no gaps in supply!

 bridge dimensions

65ft 7mm/ft bridge diameter = 455mm

bridge track deck width = 47mm

deck width between handrails = 91mm

Pit dimensions:

Outer rim = 487.5mm

hole required = 475mm

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


Drive train options:-

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

"El Cheapo"  The 0.6rpm motor I originally released with the kit will turn the bridge just fine with the free-running 28mm wheels. BUT....its a very cheap motor. It has backlash. That means the motor itself will not hold the bridge still - that relies on friction elsewhere in the system. I have sold a lot of these 65ft TTs with "El Cheapo" and many modellers have made it work for them despite it lmitations.  But do not expect miraculous performance but its worth giving it a try - given that the other options are at least 15 times the price! Now I have told you, I will not have to give you the "you get what you pay for" lecture :) 

New KHM/ABC motor/gearbox.   This non-indexed motor+gearbox overcomes all the issues of "el cheapo" and can be retrofitted to any KHM O scale turntable. must be ordered separately (from me), when its ready. But On30 demand is getting in the way of it being finalised.

GREENWOOD MODEL RAILWAY PRODUCTS. manual motor. Mike Greenwood now has an adapter plate for Kitwood Hill turntables which allows you to use his turntable drive systems. This is based around a stepper motor and 3 gear toothed belt reduction. I have the manual control version. it is a quality ready-assembled unit and runs really smooth. The manual control version is with simple a push button. You will have to order the unit from Mike. (£165 for the manual system as I type this) https://greenwoodmodelrailwayproducts.co.uk/

ADM Indexing system  You "need" this :) I have made an adapter to allow the turntable to work with ADM indexed O scale drive systems. This is the ultimate experience in turntable operation! I love mine - excellent quality, smooth, quiet and high "play" value!! ADM is the Rolls Royce of the turntable indexing world!  Order the indexing system from Alastair at ADM, (you will need his O scale "Kitwood" variant) and I can supply the mounting adapter. ADM ship internationally. http://www.admturntables.com/

DCC or DC. Like all KHM turntables can be used with either system. The track power PCB connection rings are continuous so there are no disconnects to DCC decoders with sound as the bridge turns. The contact plungers are 6A rated quality items from the electronics industry. Polarity can be handled with a DCC reversing module or a simple DPDT switch for DC.

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 is made of laser cut ply of various types and thickness with hardwood decking. Glued together with step by step photo instructions. Not hard. Novices have built my turntables!

Bridge track: chairs are included for code 124 rail but not the rail. this match Peco code 124.

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 9mm 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 100 (included) is soldered to PCB sleepers and a simple jig helps you get it circular and set in the right place. All KHM turntables use the method and its well proven over last years. Its simple, even for novice solderers.

bridge wheels: turned from Delrin on KHM's lathe with ball-race bearings. the same method as the 48ft turntable but with a larger 28mm diameter. They are wide enough to be forgiving of "assembly tolerance" of the ring rail.

INSTRUCTIONS ARE NOT PRINTED. This would be high cost, and heavier to ship. This way I can include very many photos. The PDF files are emailed to you when the kit is shipped. If you want to see instructions to help your purchasing decision then I happy to send without obligation. Electrons are free!  Just contact me by email at sales@kitwoodhillmodels.com.





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Product Reviews

  1. Turn to perfection 5 Star Review

    Posted by on 11th Apr 2018

    Having spent months working on sourcing a turntable for my newly constructed 0 gauge layout, I came across 'Kitwood Hill Models', after a detailed discussion with Simon he offered to produce a turntable that would suit my requirements of a 65ft version. The result is superb and fits into my scheme perfectly. This table comes with good built instructions and works like the real thing, well pleased. At £95 this table is a snip as other makes come in at around £260.

  2. O gauge turntable 5 Star Review

    Posted by on 8th Apr 2018

    Really impressed with the kit it has gone together a treat, works well and runs/turns smoothly and slow. I am building an o gauge round house and it looks good, just need to paint and weather.
    Well done on a great kit at a good value price.