Quote:
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Originally Posted by ben norton
The local mechanic is suggesting we add a pad heater (glues
to the bottom of the oil reservoir on our A-65). He says if
we keep it plugged in all winter it will not only keep the
engine ready to start in cold weather, it will minimize temp
changes and inflow/outflow moist air exchange in the
cylinders, which will limit corrosion.
Thanks.
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a pad heater glued to the bottom of the oil pan will keep the engine nice and warm through most temperatures if you have a blanket on the engine cowl. however, unless your system also heats the cylinders (like the tanis or reiff system) you'll be evaporating the dissolved and acidic water in the engine oil and then condensing it on the cold cylinders and camshaft (if you leave it on all the time).
if you only have an oil heater pad you should not leave it plugged in until you're ready to fly for at least 30-45 minutes within 12 hours. otherwise you might be in for some unscheduled internal corrosion and pretty expensive engine rework before TBO.
frank