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“A highly sturdy frame, designed to facilitate the attachment of mechanical and electrical components, forms the backbone of the prancing horse’s two-seater.”





The Main Chassis

Before we get started, I just wanted to take a moment to appreciate this fantastic intricate Main Chassis. Some of the interior sections are even flocked in a grey felt material!

Step 1

Retrieve your double-fan Extractor assembly from Stage 20. Push the four thick pins on the sides (two on the left and two on the right) of this Extractor down into the matching U-shaped slots inside the front of the Main Chassis, as shown.

These are the two U-shaped slots on both sides of the Main Chassis front opening:

When the Extractor is seated in there correctly, it should sit at an angle like this:

Make sure all four pins are fully seated in their matching U-shaped slots:

Secure this Extractor into place with two (2) Type E screws – one on each side of the Main Chassis, as shown:

Step 2

Retrieve your Cooling System Base from Stage 20. Fit the Base to this location on the underside of the Chassis, aligning the two rounded tabs to the matching holes and orienting it as shown.

If you haven’t done so already, remove the protective foam shipping block from this Base before installing it:

Secure this Base to the Chassis with two (2) more Type G screws.

Don’t worry too much about the routing of the Speaker cable yet. We will have the chance to route it correctly later on:

Turn your Chassis upside down. Fit the Front Plate down inside the Chassis at this location, aligning the four rounded tabs to the matching holes and orienting it as shown:

Secure the Front Plate to the Chassis with four (4) Type G screws.

This is your friendly reminder to try using 3-in-One Oil on the threads of all screws going into metal parts:

It should sit flush to the upper surface, as seen from above:


When I think about how the die-cast casting process works, I have to say I am impressed with the complexity of this Main Chassis! I would love to see how the mold was created. Keep the two unused Side Panels nearby as they will be needed in Stage 54.

Next Up

 Stage 52 – Steering Rod/Shaft, Rack Shaft/Guards, Details, Upper Rear Subframe

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