April 2013 Issue

Engine Heaters: Probes, Bands or Pads?

Tanis probes heat the engine more quickly, but Reiff band heaters are cheaper and easier to install. Oil sump heaters are surprisingly effective.

Unless you operate your aircraft in a warm climate, we think fixed engine heaters are essential accessories. Even if you store the aircraft in a heated hangar, there could be times when you’re faced with an engine-stressing cold start. Not all systems are alike and the one you choose might depend on climate. We took advantage of a harsh New England winter and evaluated the performance of three systems.

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