ORIGINAL: F106A
Marc,
I think what they are confused about is years ago the same setup was used but there was either a sintered bronze filter or a pleated filter on the end of the brass tube, supposedly to break up any air bubbles.
As stated above, a lot of people think that the fuel in a UAT tank is usable, when in fact, the UAT fuel should never be used.
If, after a flight, you find you had to use the UAT fuel, either get a bigger main tank or shorten your flight times.
BRG,
Jon
OK guys, I feel like this is turning into an entirely different thread, BUT I want to say that OF COURSE I know that the fuel in the trap should be CONSIDERED unusable etc (who in their right mind wants to eat into the last TWO OUNCES or fuel? Duh! )...that is, however, no reason to deliberately MAKE IT SO. The "get a bigger tank or shorten your flight times" concept, besides falling into the "state the obvious" category completely ignores the fact that air can get into the trap for a lot of reasons, not just cus someone can't tell time. If an airleak in the system, main tank clunk problem or some other malady introduces air into a trap without a bubble-eliminating sock or clunk then the "air eating/flameout-preventing" CAPACITY will be reduced a full 50% in the configuration shown above.
Not to be disrespectful at all since I'm certain each of you has more experience than me, but since there are also a lot of very experienced folks who DO see the value of a traditional UAT type of device I remain personally unconvinced regarding this particular cost saving idea and will err on the side of caution.