V-Speeds
Hi Techies,
Just searching through my books and study materials and realised that nowhere do I have a comprehensive list of the different V speed definitions. Bits here and there but no complete list. From time to time I hear of a new one that I've never come across so my question to you guys is: Can anyone either list all the V-speed definitions relative to commercial flying or post a link to a site that does list them ALL. Cheers, VFE. |
V Speeds.
V1: t/o decision speed V2: t/o safety speed V3: steady initial climb speed with all engines operating V4: steady climb speed with all engines operating to be achieved by 400ft gross height Va: design maneuvering speed Vb: design speed for max gust intensity Vc: design cruising speed. Vclmax: max coefficient of lift speed. Vd: design diving speed Vdmin: minimum drag Vdf: demonstrated flight diving speed Vef: the CAS at which the critical engine is assumed to fail Vf: design flap speed Vfe: max flap extended speed Vfto: final t/o speed Vimd: minimum drag Vimp: minimum power Vh: max speed in level flight with max continuous power. Vle: max landing gear extended speed Vlo: max landing gear operating speed Vlof: lift-off speed Vmbe: max brake energy speed Vmd: minimum drag Vmc: minimum control speed with critical engine inoperative Vmca: minimum control speed, air Vmcg: minimum control speed, ground Vmcl: minimum control speed, approach and landing Vme: max endurance Vmo: max operating limit speed Vmp: minimum power Vmr: max range Vmu: minimum unstick speed Vnd: max structural cruising speed Vne: never exceed speed Vno: normal operating speed Vp: aquaplaning speed. Vr: rotation speed Vra: rough air speed Vref: reference landing speed Vs: V-stall Vso: stall speed in landing configuration Vs1: stall speed in a specified configuration Vs1g: one g stall speed Vsr: reference stall speed Vsse: safe single engine speed Vt: threshold speed Vtmax: max threshold speed Vx: best angle of climb Vxe: best angle of climb, single engine Vy: best rate of climb Vyse: best rate of climb single engine There are propably a lot more...... |
That's a great start POL.777. Does anyone know what Vg is? POL.777 has listed the definition of Vs1g but what about Vg?
Taa, VFE. |
Vg is velocity for best glide.
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D'oh! I knew that! :O
Amazing what slips the mind when you're learning about these big hairyplanes! Can't believe I forgot that..... VFE. |
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