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Posted for "Wally Bestgen" <whiskeyb@sbcglobal.net>:
First a little background. I am currently building a LIVPT. The airplane has
the factory Lancair fuel system. During the building of the fuel system, I
became aware of the fact that there is no way to determine if the belly tank
fuel vent solenoid has failed. Considering all the discussion about the fuel
system I approached a EE designer/fabricator with the problem. He has come up
with a solution that I am using in my airplane. In fact I am using two of
them. One for the pitot heat and one for the fuel vent solenoid. Dave has
also designed a unit that will accommodate the higher current of the prop
heat. I have approached Dave to see if he would make the unit available to
other builders and he has provided me with the following info. The units for
lower values less than 10A are $100.00. The units for prop heat (less than
50A) are $145.00. These prop heat units have and additional shunt to handle
the higher current. The unit pictured is the lower value unit. These units
are fail safe as long as there is a CB in the circuit at less than the 10A and
50A limit for the repective units. In the case of my pitot heat the CB value
is 7.5A and the fuel solenoid is 1A.
If any builders are interested please contact me @ whiskeyb@sbcglobal.net
Wally Bestgen
hope to fly this summer
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