akafrank07
18th May 2012, 10:44
Hi guys
Reading through the technical interview book, i came accross across an answer thats not making much sence to me wonder if any of you guy can make light work of it :ugh:
Cheers
What happens to the stall speeds at very high altitudes, and why?
The stall speed increases at very high altitudes, which the jet aircraft is capable of, because of
Compressibility error on the IAS/ASI(R). The compressibility correction that forms part of the difference between the indicated airspeed (IAS) and airspeed indicator (reading) [ASI(R)] (which is uncorrected) and equivalent airspeed (EAS, which is IAS corrected for compressibility and position instrument error) is larger in the EAS to IAS/ASIR direction due to the effect of Mach number, resulting in a higher IAS stall speed.
This is all written word for word and it all seems a bit wishhy wassshy to me
Reading through the technical interview book, i came accross across an answer thats not making much sence to me wonder if any of you guy can make light work of it :ugh:
Cheers
What happens to the stall speeds at very high altitudes, and why?
The stall speed increases at very high altitudes, which the jet aircraft is capable of, because of
Compressibility error on the IAS/ASI(R). The compressibility correction that forms part of the difference between the indicated airspeed (IAS) and airspeed indicator (reading) [ASI(R)] (which is uncorrected) and equivalent airspeed (EAS, which is IAS corrected for compressibility and position instrument error) is larger in the EAS to IAS/ASIR direction due to the effect of Mach number, resulting in a higher IAS stall speed.
This is all written word for word and it all seems a bit wishhy wassshy to me