<<"Yea but.. yea but".... sounds like a student pilot. ;) The fuel would slosh IF it were not for the anti slosh flapper valve in the inboard wing designed just for that reason. You did install it in your wing, didn't you? Remember, you will be tested for systems knowledge on your private pilot checkride by the
nasty know it all examiner. LOL ;) "Question, "what keeps fuel from sloshing away from the fuel pickup point when a Cessna 150 pulls out right in front of you on short final? Answer the anti slosh flapper valve." Jeff Edwards, nasty DPE LIVP with the anti slosh valve>> Nope, no flapper valve, not on the plans. This student pilot has put over 2,000 hours on a Lancair without flapper valves. This sounds like a student pilot unable to grasp an interesting systems question related to safety, so here are a couple of
experiments to illustrate the question. #1 Trim the plane for level flight at best rate of climb speed. Put a casserole dish on your lap, fill it half full with water, keep it parallel with the wing. Now apply full left rudder, observe which direction the ball and water move. Refill the casserole dish, reverse the rudder, observe which direction the ball and water move. #2 Trim the plane for maximum speed. Put a casserole dish on your lap, fill with water. Now, with feet on the floor start a climb and decelerate slowly too best angle of climb speed, keep the dish level in pitch and parallel to the wing, observe which direction the ball and water move. Use extremely hot water as its lower viscosity will allow it to flow freely and make a more lasting impression. Report back with the results. I’ll bet you lunch the ball and water move in the same direction. Remember, you will be tested for systems knowledge on your private pilot checkride by the nasty THINKS he knows it all examiner. Question, "Your low on fuel and the fuel pressure gauge is beginning to flutter, you need another gallon to make the runway.
Which way do you slip the ball to get all the fuel out of your wing? Answer, move the ball in the direction you want the fuel to move." When your climbing out with low fuel after the 150 pulls out, P factor will push the fuel away from the right wing pickup in that little tank behind the slosh valve. BTW it looks like somebody made that flapper valve out
of aluminum, that stuff will crack up and clog your strainer. And I see rivets, those went down with the Titanic. Don’t worry, when President Clinton mandates ethanol aviation fuel to make America safe and clean, the little door will dissolve. The flapper valve is at least ½ inch above the bottom of the tank, it will trap a gallon of water, someday you’ll hit just the right turbulence
and all that water will slosh through the flapper valve and kill the engine, good luck. Bill Hannahan, Engineer Lancair 360 without the dangerous anti slosh valves
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