Welcome to the Ultrascale Products web site
On this web site you will find information about Ultrascale products. Ultrascale is the name under which a range of 4mm scale items for modelling British outline steam and diesel locomotives is produced. This range includes the most common locomotive and rolling stock wheels and conversion packs for proprietary, ready to run locomotives. Most of these items can be supplied for either 'OO' Fine scale, E.M. or 18.83 gauges. Also available is a range of worm and wheel gear sets and spur gears suitable for 2mm, 4mm and 7mm scales.
For a comprehensive and up to date list of products and prices, please visit our 'Products' section.
Conversion for Rapido APT-E
Converted Power Car with 18.83 gauge wheels.
Commission Conversions
Heljan Class 23 'Baby Deltic'.
One of our latest commissioned conversions is a Heljan Class 23 'Baby Deltic' in EM.
Hornby Class 59.
This is the other one of our latest commissioned conversions a Hornby Class 59 also in EM. One thing to note with this model is that the magnet in the motor lifts the centre axle and wheels of the power bogie off the track. This was fixed by replaceing the 2.5mm steel axle with a brass one of the same diameter.
Spur Gear Calculator
Introduction
Spur Gear Calculator has been developed by SpiralArm Consulting Limited and Gear Services (Letchworth) Limited as a collection of gear data calculators in the form of either an iPad or iPhone app that can be used calculate the Outside Diameter, Centre Distance and Ratio of spur gears and pinions. Please note that this calculator should ONLY be used for spur gears and pinions, NOT for helical gears.
This app was initially developed for use with the spur gears and pinions available via the Ultrascale web site. However, it can be used for spur gears and pinions from other sources.
Version: 3.0.0
Released: 18th June 2016
Gear Lab
Introduction
Gear Lab is a collection of gear data calculators in the form of either an iPad or iPhone app that can be used with Worm gears, Helical gears and Spur gears.
Gear Lab has been developed by SpiralArm Consulting Limited and Gear Services (Letchworth) Limited to help in the manufacture of the Worm and Wheel gear sets, Spur gears, Pinions and Helical gears available via the Ultrascale web site. However, it can be used for the same type of gears from other sources.
Version: 2.0.1
Released: 23rd February 2016
'O' Gauge Bassett-Lowke Chassis
Having seen the work carried out to the Bassett-Lowke motor bogie in the 'Workshop' section of our web site. We were asked if we could do the same repair work to a Bassett-Lowke chassis to replace the badly worn gears on this 80+ year old chassis.
Product Update and Information
Commissioned Conversions
Greek Adtranz.
We have just finished our latest conversion which is for the Greek Adtranz model by Alpha Trains, AT13001, AT13002, AT13003, AT18010, AT18011 as Greek OSE A471, A475, A478, 220022 & 220036.
All the above types of models were for two rail DC or DCC operations.
Cheque Based Mail Order Payments
Having now looked at our new bank changes for the processing of cheques/postal orders. We have taken the decision that we will now have to introduce a £5.00 surcharge charge for all orders that are paid for either by cheque or postal order. We are sorry to have to take this action but it has been force on us by the increase in bank charges for these items.
This new charge will only apply to cheque/postal order payments and will be introduced from Monday 14th October 2013. Any orders that are received from this date on, that do not meet this rquirement will be returned.
Gearbox development using 3D printing
Last updated: 14/09/2013
If you are interested in 3D printing, then why not follow our progress on Facebook as we build and test the 3D printer from Ultimaker.
We have now produced a simple 3D printed gear box case for our new 2:1 crossed helical set set shown below. The basic dimesions of the case are Height 19mm, Width 14mm, Depth 9.5mm. The gear box has ball races on both the input and output sides of the box.
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While every endeavour has been made to ensure the information in these web pages is correct, Gear Services (Letchworth) Ltd. cannot be held liable for any omissions and/or inaccuracies.