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Slot Car Controller supplied with POSITIVE track wiring.

For wiring details click here

Built into the Parma Plus or MB Slot handle

This TruSpeed slot car controller was developed with input from top level slot car drivers to provide intuitive, easy to use control. There are 5 controls, each adjusted via a 12-way rotary switch, and two 10-Way rotary switches to set the 'feel' of the trigger action to give over a million variations! Each control is calibrated to remain within usable ranges even when set to the extremes. The aim is to give fine control for the serious racer.

NOTE:
To prevent damage to the electronics, the unit has a smoothing capacitor for protection from unregulated or un-smoothed Power Supplies, but there is no circuitry to boost the power sent to the track. This capacitor makes no difference to a regulated Power Supply used at most events and clubs. Many events have a rule to disallow a controller that will add more power to the track than the power supply can deliver, so the TruSpeed range keeps this rule.

Features and operating guide.

Acceleration:

Rate at which power is delivered to the motor: (Choke) 1-12 is slow - fast.

• Prevents de-slotting under hard acceleration, reducing the need for a front mounted weight to hold the nose down and allowing a lighter car.
• Helps with loss of traction out of the corners and losing time down a straight due to snaking or shuddering.

Brake:

Rate at which the motor is slowed when the trigger is released: 1-12 is gentle - full.

• Prevents shuddering/rattling and loss of traction, particularly with high gear ratios.
• Allows better corner entry speed, reducing the accuracy needed with full braking systems in getting the power back on just right.

Hold:

Duration that brakes are applied, and speed to which the car will slow before brakes release.                                                     1-12 is minimum - maximum.

• Brake rate is set with the Brake control, and the Hold sets the speed to which the car will slow before braking stops and gives way to natural motor braking, assisting cornering speed and control. (The inertia of the car can carry itself round tight bends under natural deceleration, keeping it in the slot.)
• When the Brake control is set to maximum on 12, the Hold function is disabled to provide as much braking as possible. All other Brake settings enable the Hold function.

Speed:

Maximum speed limit.   1-12 is slow - Maximum.

• Ideal where a track has a long straight, with tight, twisty, difficult sections. A very fast motor is ideal for the long straight, but difficult to manage round the twisty sections. Reducing the Speed setting enables the motor to be tamed for the twisty parts.
• To easily bypass the set speed limit, press the little button on the rear of the hand controller to give you a boost to fly down that straight. When released, it returns to the previous setting to get you around the corners again. The boost is controlled by the 'Acceleration' setting, so the extra power feeds in at the rate you have selected to keep the car smooth.

Sensitivity:

Defines the lowest initial start-off speed and works in conjunction with the Trigger Controls (see below)                                  1-12 is slow - fast ('high Ohms to low Ohms')

• This adjustment is similar to controllers with a sensitivity or 'Ohms' adjustment, and enables all cars to respond to the full throttle movement in a useful range.
• Once the low start-off speed is decided, the rest of the power delivery is divided into 22 steps across the controller element. For a fast start-up then, the change in power between each segment will be small, and for the slow start-up speed, it will be greater.

Trigger controls:

1. (RED) 10-stage curve control. This sets the element feel by adjusting the shape of the throttle response curve from linear at setting '0' to logarithmic at setting '9'
2. (Black) 10-stage sensitivity control. This changes the overall element sensitivity by adjusting the size of the top speed step from the last wiper segment to the final end switch. This adds more control for those difficult tracks, and particularly those with high voltage power supplies. It's a little like the SPEED control and BOOST button, but you don't have to press a switch. 0 = minimum end sensitivity and 9 = max end sensitivity

Power and Brake LED:

• With no car on the track, but power supplied to the unit, both the Power and Brake LED’s illuminate. When the trigger is pressed they both extinguish. This shows there is no electrical continuity. (No car on the track, bad braids, poor tape condition etc.)
• When a car is now placed on the track the Brake LED extinguishes, but the Power LED remains illuminated. This shows electrical continuity to the car and motor.
• When full power is delivered to the motor at full throttle, the POWER LED extinguishes, but remains illuminated at all other times.
• When using the Speed limiter at full throttle, pressing the Boost button will extinguish the Power LED, confirming the switch is OK.
• The Brake LED illuminates while the brakes are active.
• The Brake LED will illuminate Blue when there is a short circuit fault either on the car or the track. This is a warning feature and prevents the controller from trying to drive power into the short circuit and becoming damaged.

Read the independent review of the TruSpeed PWM slot car controller by
the NSCC (National Scalextrix Collectors Club)