Needle Ball And Airspeed

In all but airspeed climbs we control airspeed with power. Those of us who take pride in our zen like power to control airplanes by the old needle ball airspeed method tend to regard mastering this skill as a character building experience that all pilots should suffer through. We still use needle ball and airspeed for partial panel.

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Needle ball and airspeed. My only knowledge of the so called turn co ordinator instrument is from the msfs default cessna. Not turn rate though it could be computed if you had the time. It s been a long time since i have heard anyone talk about needle ball and airspeed for a gyro out situation. The bank reference consists of both the needle and the ball used together which is why they are both contained on the same instrument.

Instrument flight using a basic magnetic compass airspeed indicator and a turn coordinator or combination of slip skid ball and gyro turn needle is challenging but a good skill to master even with all other instruments functioning for it results in well coordinated flight. Lectures by walter lewin. This includes altitude vertical speed and airspeed climbs or descents. When i got my instrument rating in 1967 and my cfii in 1971 skill at flying needle ball and airspeed received a lot of emphasis and with good reason.

If power is fixed as in zero we control airspeed with pitch and. By ron rapp on may 12 2008 in aviation ifr with the advent of the glass age i ve been seeing more and more pilots question the need for traditional needle ball airspeed instrument skills. The uk equivalent was the turn and slip indicator which had a pointer to indicate rate of. The turn needle does not.

Nine golden rules of instrument flying by king povenmire dpe. For the love of physics walter lewin may 16 2011 duration. The turn needle was probably the earliest attitude reference for instrument flying. The term needle ball and airspeed refers to the specific scan that is based on the turn needle as the only gyro instrument.

The other gyro instruments attitude and heading were vacuum driven and the vacuum systems had the nasty habit of failing without warning. It dates back about a hundred years and it provides an indirect indication of bank which made it possible for pilots to control an airplane by reference to needle ball and airspeed we ve come a long way since then. Go with glass it s the way of the future. Are needle ball and airspeed obsolete.

The instrument platform i. I would be very interested to refresh myself again. If i m not mistaken needle ball and airspeed gives you heading sideslip and well airspeed.