Pilot's tip of the week

Smooth Liftoff

Featuring Wally Moran

Subscriber question:

"Any tips for a smooth liftoff in light winds? Sometimes the plane jumps up or wanders left after leaving the runway, even with no wind." —Fred M.

Wally:

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“Well, first of all, we’re going to use that centerline on the runway. That’s not just three feet to the left or three feet to the right. If we go out there and get that nose wheel right on the centerline and do our best to keep it there all the time, that will soon become a habit.

We also want to be sure that we have our heels on the floor not up on the brakes. If we’re dragging those brakes on takeoff we’re not helping our performance at all, and we’re heating up the brakes unnecessarily.

During the takeoff roll, there’s really no need to hold the yoke forward to keep pressure on that nose wheel. If you can just let it ride neutral (when properly trimmed) you’re going to smooth out some of the bumps on the runway and we’re going to reduce stress on the nose gear. Of course, we’re going to do what our Pilot Operating Handbook tells us. If it suggests something else we’ll follow that.

Now, as we begin to smoothly raise the nose for liftoff, one of those left-turning tendencies starts to pull us over to the left. That’s the P-factor. Add just a little bit of right rudder as the nose comes up so that you can stay exactly on the centerline. And having thought this through before takeoff, it won’t be a surprise to us when it happens.”

Do you add right rudder during rotation to counteract left-turning tendencies of your airplane?

(NEW) VFR Mastery scenario #97 “Keeping Your Cool at Hot Springs” is now available. Two years ago, you bought a 172M with a 180 HP conversion a bit past TBO. After 100 hours you decided to overhaul, and added an engine monitor. That revealed consistently high CHTs, often hitting 430°F in the climb. Today you’re at Hot Springs, SD, with the family. It’s 85°F with density altitude near 6000′. You know that if you lean for best power the engine will get super hot. Maybe that’s fine for a short time. Or maybe keeping things cool matters more, and a full rich takeoff is safer as long as performance is adequate. Or is there a middle ground? If you wait for cooler weather, it’ll be awhile. Watch the Intro video.

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