Scratchbuilt On30 turntable (9)

More progress:

Scratchbuilt On30 turntable (8)

Pit bottom scenicked:

Scratchbuilt On30 turntable (7)

Scratchbuilt On30 turntable (6)

Motor installed under the base:

Scratchbuilt On30 turntable (5)

I put two brass half-rings on the axle and added phosphor-bronze pickup strips that will lead to the power bus.

A cogwheel will be on the axle connected to the turntable motor, equipped with a smaller wheel:

Scratchbuilt On30 turntable (4)

Building the gallows posts:

Scratchbuilt On30 turntable (3)

Creating the roller mechanism:

Adding the base, the rollers and the bridge:

With a test locomotive on it:

Scratchbuilt On30 turntable (2)

Building the bridge from scale lumber:

Spiking the rails to the bridge:

Scratchbuilt On30 turntable (1)

Started to build the turntable for the layout. It will be a 24cm long turntable (about 40 scale feet) that can hold the longest locomotive I have. The turntable construction was described in the 2010 On30 Annual, link to the plans is here: Gallows turntable. I reduced a bit the length for my needs. The base is a 1.8cm board, on which i started to build the lower spider rail: