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Posted for "Ian Beadle" <ianb@ozzienet.net>:
David
Don't worry too much about lines going up and burping the babby. If you have
a pressurised tank and small diameter feed pipe it will burp itself. My
overflow tank is down low and I have no burp holes. Filling the system is
easy, fill her up including the tank, run the engine for a bit, check level
in tank when cool, go flying.
Fit a car tubless valve in the overflow tank, for static leak checking.
Ian RV6A Australia.
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