Is there a way to make sure my fuel will not drain into the first stage Here first stage is almost empty : Looking at delta v, we already see theres something wrong and the upper stage leaked.
Maximum negative pressure at the refuel/defuel coupling is -0.77 bars (-11 psi). Also at stage separation remaining methane and/or oxidizer is not calculed properly. Defueling is performed using the refueling system and fuel is drawn towards the tanker by suction. WARNING: Cancer and Reproductive Harm - .gov. Wing kit includes: bushing reducer, drain valve, warning sign & instructions (AD85-06-04). Two indicator lights identified VALVE/LH/OPEN and VALVE/RH/OPEN located on the REFUELING panel come on to indicate opening of the refuel/defuel valves. Developed in compliance with Airworthiness Directive 85-06-04 for Piper aircraft. Each 28VDC refuel/defuel valve is equipped with a manual control to operate the valve in the event of electrical control failure. Two restrictors installed at the refuel/defuel valve outlets provide the correct fueling rate and balance flow in the two lines so that tanks are filled simultaneously. The tanks are completely filled 5732 litres (1513 US gal) in 17 minutes. (847 Ft /h) for an inlet pressure of 3.5 bars (50 psi). Total refueling rate for both tanks is 24 m3/h. These refuel/defuel valves could close by means of preselector who's selected the fuel quantity load. They also illuminate the two HIGH LEVEL indicator lights on the REFUELING panel. It does have the advantage of being suited for lower time pilots, which for an entry level job works well for the employer, too.Each tank includes two float-type high level sensors (1 sensor comprised into each gauge Number 5 151QT/152QT and 1 sensor 11QU/12QU), which serve to close the refuel/defuel valves when 98% of the maximum fuel level is reached.
We flew it with hot props, windshield, and wing boots.and I never considered them known ice.just tools for quickly getting out of ice. It's a big, thick wing, and while it does have boots, I'd have some reservation about spending any significant amount of time in ice. It's easily maintained, however, and did just fine. It does have the ridiculously poor piper door, and the gear and spar leave somewhat to be desired for design and strength. It handles nicely, is forgiving, and reasonably economical. For a light twin, it's got one of the better single engine service ceiling's and performance.which isn't stellar (considering it's a light twin), but better than most. We did a lot of rough field work, mountainous terrain, night, etc. I flew some years ago doing ambulance work and freight.
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