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.
Product Update and Information
Worm and Wheel Gear Sets
100 dp and 0.4 mod worms
We have just re-introduced our original steel worms for both 100 dp and 0.4 mod worm and wheel gears set. These worms are available with 1.5mm, 2.0mm and 3/32" bore.
Full details can be found in the Gears and Gears Sets section of this web site.
Spur Gear Calculator
The next version of the our Spur Gear Calculator app is currently in Beta test and when complete will be available for both iOS and Android devices.
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
Commission Conversions
Bachmann
64xx 'Pannier' tank.
Our latest commissioned conversion was for the Bachmann Class 64xx 'Pannier' three in EM and two in 18.83.
Gauge 1 / 'O' Gauge test track
At long last I got around to building a test track for my Gauge 1 and 'O' gauge models. Very useful when you can't get out into the garden for a test run, due to the weather or leaves on the line.
So for anyone that may be interested, below is a description of what went into the construction of this test track.
The locos shown in to photo are a Gauge 1 Bachmann Brassworks 'Black 5' and two 'O' Gauge Dapol Class 08 diesel shunters.
Gear Lab Pro
Introduction
Gear Lab Pro 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 Pro 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 like the ones available via the Ultrascale web site. However, it can be used for the same type of gears from other sources.
Gear Lab Pro is an extended version of the Gear Lab app and adds the calculators and information required for setting up a non-differential hobbing machine to cut both Helical and Spur gears. Those calculators can be used to workout the likes of the hob setting angle, index change gears and feed change gears required.
Version: 1.0.0
Released: 20th December 2016
Gearbox development using 3D printing
Last updated: 18/10/2016
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.
Just a quick update to show the lastest of our prototype gearboxes with 3D printed case. This is a 38:1 worm and wheel box, the one with the fly wheel can have both input and output shafts remove with out having to dis-assemble the gear box.
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
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.
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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.