Courtney discusses the Best Angle of Climb Vx, and Best Rate of Climb Vy to help you understand which is best for you.

#lightsport #sportpilot #quicksilver #ultralight #microlight

Note: A LEGAL ultralight is limited to 1 seat and requires no pilot certificate to fly. A 2seat "ultralight" is, in fact, a Light Sport Airplane and requires a pilot certificate to fly. There is no such thing as a "legal 2seat ultralight."

Courtney is an FAAcertified Instrument Ground Instructor (IGI) and an Advanced Ground Instructor (AGI).

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Transcript:

Why Climb at VX?Hi, I'm Courtney.When taking off in your ultralight, ultralightlike or Light Sport airplane, why is it important to climb atthe Best ANGLE of Climb – Vx, instead of the Best RATE of Climb, Vy?Many of you have asked me to explain and keep it simple.In short, Vx and Vy are the two different climb rate airspeed commonly used.The Vx airspeed will get you to the highest altitude in the shortest distance while Vy will get you to that same altitude faster, but further away.Us ultralight and Light Sport pilots want to quickly get as high as possible in the event our 2stroke motor quits!For example, the Vx climb airspeed for my Quicksilver MXL2 is 37 miles per hour.This means when I take off, it'll get me to about right here.You'll want to be there ASAP!Not at the other end of the runway.That is Vy.I'm climbing at Vx, the best Angle of ClimbAlso, if there are obstacles beyond your runway threshold, such as trees, power lines, hills and towers, climbing at Vx may be required to safely clear those obstacles.Playing it safe is your best bet here.When you take off, stay close to the ground until you reach your airplane's Vx speed.Then pull the stick back gently, and maintain that 37 Miles per hour climb until you reach your desired altitude, and level out. Also, take care when climbing at Vx to avoid falling behind the power curve.This means to avoid pulling the stick back further . . . 35 miles per hour, . . . 33 . . . 32 . . . you could stall!A stall here is unrecoverable.A nose straight down, tail high crash is a common outcome of low altitude stalls.The Vx speeds for are different for each airplane.A Quicksilver MX ultralight is 34 miles per hour,A two seat Quicksilver is 37 miles per hour. For a Cessna 150, it is 55.Vx and Vy airspeeds can be found in your airplane's Pilot operating handbook.Where else can you find this information?Google!It's where I got the figures I'm using.