3mm Society, Railway

Consolidating the Design – The Buckjumper Mk.III, Part 1: The R24 Class.

No.3 on the Bucks

Basilica Fields

In 1890 James Holden introduced a new development of his T18 class which had originally been designed for shunting and trip goods turns, but fortuitously turned out to be very good on the burgeoning suburban passenger services too.

When the need arose for further suburban tanks, Holden improved the design to suit intensive passenger work by providing a more steady-riding engine. This was achieved by increasing the trailing coupled wheelbase by six inches and reducing the length of the frames at the rear by one foot. In addition the tanks were repositioned further forward and the length of the cab shortened.  Peripheral changes included moving the front steps from just ahead of the side tanks to in front of  the sandboxes, and, as on the E22 class, positioning the spectacles higher on the weatherboards just under the eaves.

The ten locos were fitted for passenger work with Westinghouse brakes, screw…

View original post 2,647 more words

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.