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Improving the performance of a TR-1 Gold in very cold temperatures
The BioSoy hydraulic fluid that is used with the TR-1 Gold autopilot has a tendency to thicken up when it is used in below freezing temperatures. This will cause the autopilot to react very slowly.
It is suggested to find a way to keep the autopilot pump and manifold warmer, such as adding a 20 watt light bulb to the area that the pump and manifold are mounted in to try and raise the ambient temperature.