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45ft (11.25") On2/On30 Truss Turntable

  • On2/On30 45ft truss turntable
  • Bridge rails can be set at any O scale narrow gauge.  No full deck - like many of the Maine prototypes.
  • plenty of details included. laser cut nuts and washers.
  • approx 2 1/2 scale feet pit depth at pit edge.
  • proven wheel "technology". easy to assemble and it automatically sets the correct angle.
  • Very capable, quiet, and slow running turntable motor and gearbox. All steel gears with grubscrews.
Price:
£77.50
SKU:
KHT346
Scale:
Rating:
Shipping:
Calculated at checkout
Quantity:
pre-order for shipping in january


Product Description

On2/On30 11.25" (45ft) Truss Turntable kit complete with motor.

Everything included to make a fully working model, including motor.

This truss turntable kit includes parts to make one of 5 variants found on Maine railroads of the early 20th century. Many were replaced by steel girder types before the operations died out.

Proto build with Wicasset truss variant before rails are fitted.

albion-tt.jpg

  

On30 and On2 simple gauges included- other O scale narrow gauges easily possible by the builder

Basic dimensions in images below.....scroll down!  Hole required is 12".

The bridge is built up on a integral jig making for easy alignment. All parts that require angles, cutouts, cross joins are laser cut from  basswood to ensure the correct size, alignment and make assembly straight foward.

bridge detail includes laser cut square nuts, several sizes of washer as well as truss, spars and cabling.

The spider is simple and effective. Rather than create a complicated mechanism that costs a lot but cant really be seen, I have "suggested" the spider ring, and this allows me to use KHM's standard turning plate and pick-up assembly methods within the "spider space". That way the kit is able to draw on the proven performance of our other turntables.

The pit base design follows our existing gallows turntable bases: proven design and simple to assemble.

The bridge wheel assemblies are KHM's latest turntable wheel "technology". The angles are set by the assembly - its almost foolproof! wheels are 12mm brass, turned on KHMs lathe with double-flanges so the wheels track the circle rail.

Below the pit floor, the turntable is powered by a very capable 3rpm motor with further steel reduction gears for smooth running and slow speed. When controlled with a variable supply (DC loco controller or a DCC loco decoder will do nicely) the speed can be reduced so a crawl so that alignment by ete is easy. no need for fancy expensive indexing! The primary driven axle turns in oil-bearing bronze bushes.

Bridge rail: for this kit I have decided not to include any bridge rail. fitting your own track is easy I do incide a simple jig (on2 and On30) to aid the tracking positioning

Check out the pictures by clicking on the product image icon and scroll through.

Assembly is straightforward and broken down into sub-assemblies. The kit is packed with this is mind, each sub-assembly having its own pack.

Instructions are mostly photos with lots of angles to take you through the build in a step by step fashion. They are no longer available as a printed option. Its takes lots of ink (cost), they are heavy (shipping).  You will be emailed instructions when I ship the product. if you wish to see them before purchase then I'm happy to send without any obligation... electrons are free :)

 wicasset.jpg

 

 


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Product Reviews

  1. Satisfying project, great result! 5 Star Review

    Posted by on 1st Jul 2017

    The 11 1/4” gallows turntable kit is a very satisfying, project and builds into a practical and beautiful product. I chose the unpowered option, and added a push bar to each end, as was the practice on many early turntable prototypes.

    The instructions are very good, with lots of pictures. The mechanical rotation design and electrical pickup are very well done. I especially appreciated the wide, double-flanged wheels and the jig for assembling the track they ride on. As a result, the bridge rotates quite smoothly. All the parts fit well, and the appearance of the finished product is great.

    Simon Cox, the Kitwood Hill Models owner, was exceptionally helpful and cooperative in answering my questions, and making improvements to the kit that I suggested during the course of construction. I highly recommend him and this product.