Hurricane Speed Test in game

[camber]

Thanks IvanK,

I got very similar data at height from my previous test (although my FTH for Hurri and Spit were a little lower in climb, perhaps CloD does model ram air effect on intake.)

Patch+hotfix Rotol Hurri:

FTH 15500ft
2700 rpm +6.1psi
235mph@15500 ft = 305mph TAS

[Crumpp]

Try the dry adiabatic lapse rate of 3 degree C / 1000 feet....

[IvanK]

Crumpp you said "Try the dry adiabatic lapse rate of 3 degree C / 1000 feet.... "

Why ?

The International Standard Atmosphere (ISA) lapse rate is 1.98 deg C per 1000 feet !

Its going to give a TAS even lower than what the IAS to TAS conversion above gives.
e.g. Based on the assumption Surface Temp is 19C then using the DALR at 3C/1000ft gives an OAT at 16,000ft of -29C so the 231MPH IAS I got would result in TAS of 289MPH versus the 298MPH TAS value I got using the ISA lapse rate.

[bongodriver]

I think Crumpp just wanted to quote from his text book....


But while on the subject of ISA......I have been getting strange ideas in my head about the QNH the game seems to model of 992 and can't get the idea out of my head about the US 29.92 inches of mercury and wonder if someone porked the atmosphere model that way.......crazy I know.

[Bounder!]

Just wanted to post and say thanks for the all testing IvanK, always nice to see how the current simulated ac in CoD perform against real data.

[IvanK]

Thats some lateral thinking Bongodriver but worthy of a mention to the devs .... Done.

[DC338]

Yes the QNH is strange, given that during the battle the QNH didn't often go below 1005.