I've got to believe that they used any ingenuity they could find. The
demo pilot pointed out that the prop is a two position device. I asked
how it was activated. He pointed to a small can-like chamber and said
that is filled with oil. To change the prop pitch, the oil is heated
electrically, raising the oil pressure, which activates the pitch mechanism.
Sounds about as convoluted as some autofocus mechanisms. :-)
Jim Nichols
Tullahoma, TN USA
On 10/7/2015 5:08 PM, Ken Norton wrote:
This airplane is made in Germany, near Berlin. Most of the round gauges
that you see are of the modern, European variety. There is one glass
display, as you probably noted. Since, in glider configuration, with the
engine shut down, all of the electrical power to keep the battery charged is
provided by solar panels on top of the fuselage, just behind the canopy. I
suspect the electrical load was chosen with the solar capacity in mind.
That thought did cross my mind. The engine gauges, other than being
tied into the panel lighting, would likely be passive devices, for the
most part. But the GPS, Transponder, Radios and basic flight
instruments would still be sucking a bit of power. Laws of Physics
can't be broken.
AG
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