[Titanaircraft] Re: Winter cockpit heater

Larry are you referring to the need for thermostats? I'd be interested in hearing your comments on the issues.

I fly with both an oil and a coolant thermostat and wouldn't be without them.
The coolant thermostat is a BMW bypass unit from NAPA for about $40 (available in the US only it seems).It has 1 1/4" holes so necking down is required but it works just fine.
The oil is a Permacool modified by machining the seat to remove the notches which allow oil to bypass the cooler when the unit is hot. You don't want any oil bypassing the cooler when hot. Without this mod you get hotter temps in summer. The permacool also takes a standard auto thermostat wax stat so it is easy to increase it from the standard 171 to over 190.
I just cut in a T into both the coolant lines running to and from the rad and put the cabin heater core and a valve between the T's. I also have an outside air inlet ducted to the heater core. The coolant thermostat takes care of keeping the temp up.
Peter

--- In Titanaircraft@yahoogroups.com, "lwoods102" <lwoods102@...> wrote:
>
> Last year, I spent far too much time developing a cockpit heater system for the Tornado, but the result works well and is not expensive. This winter, I will add one more improvement (which will keep the engine coolant temp where it belongs without the pilot having to adjust it manually).
>
> What looks like a simple job (simply syphoning off some of the hot coolant to the heater), is anything but. There are several things that have to be taken into consideration, especially if you want the engine to operate at factory-recommended temperatures.
>
> Best,
> Larry
>

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