The smoke was probably caused by no restriction
in the oil feed to the TC bearing. The oil pressure was 130 PSI.

My mistake.

Consensus from  friends say there should be
a .040" dia. restrict-or in there. So I made one on the lathe and put it in
the fitting on top of the turbo charger bearing unit.

That should cut most of the smoke.

It has twice the power to weight ratio and half the size as the PT6 powered Legend
and that will climb at 6,500 feet per minute.

From that point of view ours should climb at 13,000 feet per minute
easily beating the Bear Cat record of 10,000 feet in a minute and a half.

Here is a screen shot of the Motec EFI Data log. The Motec EFI records the data
at 10 records per second. Think of it as a airline black box.

The curious thing is the intake air temperature actually went as the engine
ran just above idle at 2300 RPM. Prop RPM  was 760.

The next test will be a full power run well tied down on the back of a flat
bed tow truck at 45 degrees angle of attack to check all the pump functions.

The video is low rez that is the only way to get the file size down to email.


Paul Lamar

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