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Motor Racing
Books on this shelf cover motor racing projects
Model Railway
Books on this shelf all relate to Model Railway products and projects.
Electronics
Books on this shelf relate to electronics projects & information
The Bexhill West Turntable User Guide
The Bexhill West Turntable is a computerised turntable control system featuring a wireless (mobile) controller for up to four turntables on a model railway layout. Each turntable can have up to 100 "roads", each of which can be easily programmed to any positio...
Triang DMU modifications
Upgrading, titivating and otherwise modifying vintage Triang DMUs
Flush Glazing for older models
Many older coaches, especially Hornby Mk2 and older Graham Farish coaches - and locomotives (e.g. Hornby Dublo diesel locos, Triang DMUs) use acetate sheets behind fairly thick mouldings for windows, which do not look particularly prototypical. These pages co...
Hornby Dublo Diesels
Updating old Hornby Dublo diesel locomotives, typically their Class 20 (Bo-Bo), Class 28 (Co-Bo) and Class 55 (Deltic). These locos have a very simplistic chassis, a very large motor, and a crude drive mechanism. Projects in this section include designing a ...
Hornby Zero 1 - DCC Conversion
Ever since they came out in the late 1970s, I've lusted after a Hornby Zero 1 system. By the time I could actually afford one, though, I no longer had a model railway (or anywhere to put one), and it languished in the back of my head, forgotten amongst the cob...
Adventures in N Gauge
Documenting various things I do in N-gauge
Points, Signals and Tiny Stepper Motors
These pages describe everything, both relevant and irrelevant, related to the Points, Signals and Tiny Stepper Motors Project
Power - Converting to all wheel drive
These pages cover replacing the old Triang drive unit with a new low profile multi-motor system, to enable all-wheel drive, but retain as much internal detail as possible.
Lighting
Adding lighting effects
Old Farish Loco Modifications
From converting to DCC, through converting to coreless motors, and any other stuff that comes along.
Requirements
A series of pages related to the requirements of the project
Unpacking and First Startup
This chapter describes what you get in the box, how to connect up your turntable receiver(s), and how to power up and pair your controller to your receiver(s).
Programming your turntable
Add, modify and remove roads from your turntable; set the default road, change the track polarity.
FAQs
Still got a question? We'll try to answer the popular ones here. Got a problem? Please see the Troubleshooting chapter
Using your Turntable
Comprehensive documentation on how to drive your turntable, what to expect from it, etc.
Troubleshooting
The following pages describe various things you can try out if your turntable isn't working properly. If there's no page here describing the issue you have, or if you carry out the steps within and it doesn't work for you, please contact us at bwt-support@elec...
Bogie design
Pictured above is a later Triang DMU, with its front dummy bogie riveted in place, and the power bogie removed, showing the motor sticking up vertically. To the right is an older Triang dummy bogie, on which the replacement (front) is based. At this time, ...
Let there be light!
Most original Triang DMUs do not have any lighting at all (left, above). They have four lights on the front... all of which are painted dummies. Later models did include a lit head code (right, above), replacing the original destination board & top light. T...
Converting to DCC
This is a holding page for some content later. Actually, it's just a place to share this file: EpoxyHat.STL The STL contains a tiny replacement for the brass brush holders used in most older Farish locos (i.e. not those with can type motors, or the newer Far...
Overview
Points, Signals and Tiny Stepper Motors Executive Summary A system based on the ever-flexible Espressif ESP32 wifi embedded processor, which will drive semaphore signals, track points (switches), and other animated things, where those things require a (gener...
Basic Hardware
Hardware falls into three main categories, as expanded on below. Electronics Controller To be confirmed Receiver ESP32 WROOM-32 (or similar) A custom PCB with slots for add-on boards Servo Driver A small PCB which physically plugs into the re...
Introduction
Welcome to the Bexhill West Turntable Controller user manual. If you haven't already purchased a Bexhill West Turntable (BWT) system, now's your chance! Please head on over to our online shop to choose your configuration! If you have purchased a unit already,...
What's in the box
Pictures to follow In the box, you should find: A Controller unit A Receiver unit A 12v power pack for the receiver An 18650 battery for the controller A USB-C cable for charging the controller A printed Quick-start guide If you have purchased addi...
Connecting a Receiver to your Turntable
Connectors (Left to Right) From left to right, the connectors on the Turntable Receiver unit are: 9-36V DC jack (on the side face, not on the top), 2.5mm barrel jack, centre positive. 12V is the recommended value. Using an appropriate adapter, you ...
Introducing The Bexhill West Turntable Controller
The Bexhill West Turntable Controller is an advanced wireless control system for up to four fully indexed turntables. Please refer to the image below: On the very top of the unit is the USB charge port. This takes any USB-C plug. The other end should be co...
Connecting your first receiver to the controller
Power On Switch the power on by pressing in the power switch on the right-hand side until it clicks. (Power off is the same - press it in until it clicks, then release). The screen will light up white for about 1/2 to 1 second, then the splash screen will ap...
Adding, Modifying and Deleting Roads
To access the road programming menu, press the "A" button from the main programming menu. The screen will change to show the roads menu: To exit the roads programming menu, press the PROG button, which will return you to the main programming menu. Adding a...
Programming Mode
We assume you have already carried out the steps required to pair a receiver and controller, and you are currently looking at a screen that looks something like this: Switch to programming mode Firstly, if you have multiple receivers configured, ensure you...
Setting turntable speed and acceleration
To access the speed configuration menu, from the main programming menu, press the B key. The screen will show as follows: The first line tells you how many steps the motor takes per revolution of the turntable. A direct drive unit will have 6400 steps per ...
Receiver Settings
The receiver has a few global settings you can change. These are accessed from the "Mechanism" menu (press C on the main programming menu): Alignment This option exists for those situations where you've had to remove the turntable (or the drive unit) for m...
Controller Settings
The final menu for programming is the controller screen. There are two options available here: Note that option "B" (Turntable Lock) is not yet implemented. We hope to add that function in the near future, although there's no planned target date for that ye...
Changing Roads
The Bexhill West Turntable has been designed to be as simple and as intuitive as possible to use. However, there are a few functions which are, at best, not immediately obvious - so please do have a read of this part of the manual to be sure you know all of th...
Quick Actions
As well as the "normal" movements we covered in the previous page, there are two "quick actions", which may be of interest. Go to next road Instead of typing the road number, and pressing the direction button; if you simply want to move to the next road, you...
Rapid Moves
You may wish to quickly move your turntable into a new position. Perhaps the express is coming, and it's actually on time today! Or worse... early! You can achieve a non-scale speed (i.e. "rapid") movement by selecting the road you wish to move to; then dou...
EMERGENCY! Stop...!
At any time during a turntable move, pressing the red "STOP" button will immediately halt the turntable. If pressed during the initialisation phase, this will cancel the initialisation and return to the "Initialise/Forget" screen (see this page for the deta...
Firmware Updates - Controller
Inevitably, with any system of this complexity, there will be bugs; ghosts in the machine - but also improvements and additions we can make in the future. To allow us to distribute bug fixes and so on, your Bexhill West Turntable controller can connect itself...