Tuesday, 10 December 2024

The Quarry Hunslet 'Alice' class from PDF Models - The Making Of. (Part 2)

Quartering

Taking the cranks as pairs, screw in a 2mm x 10mm countersink screw to each for the front pair and a 2mm x 16mm countersink screw to each for the rear pair. Enlarge slightly the holes in the rods to enable the 2mm bearings to fit freely. Fit the rods to the front cranks and fit to the axles using a 0.9mm allen key. Loosely set the front cranks 90 degrees to each other. Do not over tighten.

Similar to the above, fit the rear cranks 90 degrees to each other. Don't fit the rods to the rear just yet.

Test for free movement and if necessary adjust the cranks until running freely. Then fit the connecting rods and test again.

The footplate can now be fitted. But before doing so, countsink the two front holes before fitting to the chassis using four 2mm x 6mm bolts.



The above photos also include the motor cradle fitted with two 3mm bolts.

The buffer beams were now fitted using two 3mm bolts, screwed directly into the chassis frame (no nut). Like the connecting rods they were painted before fitting with Red Primer and Fiat Red Orange.


Part 3

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