PPRuNe Forums - View Single Post - Forgot How To Work A Crp5!!
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Old 27th February 2003 | 12:41
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BUDGIE
 
Joined: Jun 2001
Posts: 65
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From: all over the place
Thanks Send Clowns,

I have been doing exactly what you say but my CRP-5 keeps returning an answer of -18 degrees. I have sat with two other guys trying to get this but to no avail. Whats the probability of me having a dodgy CRP-5 I wonder

-44 in the Airspeed window against Mach 0.84 gives my CRP a TAS of 494 Temp Rise for 494kts is 26degrees so -44+26=-18degrees quite a way off from the formula answer of -13 degrees.
I am sure my maths in the formula is correct?

Could someone possibly check this on their CRP5 and tell me what they get? I'd really appreciate it!

Thanks
BUDGIE

Hey all,

I really don't understand the logic of putting this question in the Private Flying Forum? No dis-respect but there isn't too many PPL's needing to calculate ram rise temps at 30'000ft etc.....
However, if there are any PPL's out there who like working out this kind of thing and are possibly doing this under the JAA then can you check it out?
Really think this is more suited to Questions - but hey I ain't a moderator!

Cheers
BUDGIE
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