[Milsurplus] knots and "The High and The Mighty"

D C *Mac* Macdonald k2gkk at hotmail.com
Thu Mar 16 13:42:00 EST 2006


Of course, Hollywood folks  NEVER  let accurate info
get in the way of hyping the story, did they???

HAR!!!

(;-p)


Mac - K2GKK/5
Oklahoma City



----Original Message Follows----
From: "B. Smith" <smithab11 at comcast.net>
To: "milsurplus" <milsurplus at mailman.qth.net>
Subject: [Milsurplus] knots and "The High and The Mighty"
Date: Thu, 16 Mar 2006 13:21:03 -0500

Knots is those little thingies that the "navigator" got confused
on the "The High and The Mighty".  He said he "made a 11
minute error" because of the conversion of miles to knots.

However assuming an airspeed of 200 knots with possible tail
wind of 10 knots this would give a Ground Speed of 210 knots.

Assuming that they were a considerable distance past the Point
of No Return and were say 500 miles from San Francisco.
(BTW the span between SF and HNL is the longest  over-water
span in the world without an alternate 2084 NM, and you always
hear strange noises from the engines at the 1000 mile point)

Anway--

500  statues miles at a ground speed of 210 MPH would be a
total time enroute  of  two hours and twenty three minutes,
2+23 minutes total time to SFO.

500  statue miles at a ground speed of 210 Knots would be a
total time enroute of two hours and four minutes , 2+04 or an
error of 19 minutes.   So for an error of 11 minutes they must
have been quite a bit closer than 500 miles say 400 which
would give an error of 13 minutes.

All the above is assuming that they do a straight in approach
without any vectors.

However I forgot about the engine and parasite drag so will
have to use a ground speed of 165 and redue the problem.

Anyone confused yet?   :-)
breck k4che




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