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maximum recorded speed on a GPS

 
 
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Jim1064
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Joined: 22 Feb 2009
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PostPosted: Sun Oct 27, 2013 9:43 pm    Post subject: maximum recorded speed on a GPS Reply with quote

I flew to Munich this evening, flight time was short - with a tail wind at some point of nearly 140 mph! It set a new record on my old Garmin - 1061 km/hr = 660 mph ground speed (Airbus A319).

Can anyone beat that Cool


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Nightbar
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PostPosted: Sun Oct 27, 2013 10:25 pm    Post subject: Reply with quote

Mine tripped when left it on for a flight. Got an average speed of 780 kph though.
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teamidris
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PostPosted: Mon Oct 28, 2013 7:09 pm    Post subject: Reply with quote

660 Very Happy
only another 100 to mach 1 Cool

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Toseland
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PostPosted: Tue Oct 29, 2013 12:51 am    Post subject: Reply with quote

yeah i been up in a hawk trainer, and a tornado from marham...

mach 1.17 on the tornado flight.. i win

=D

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Jim1064
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PostPosted: Tue Oct 29, 2013 7:44 pm    Post subject: Reply with quote

1061 km/hr is ground speed, not air speed. It'd be impossible to fly that fast in an A319 Very Happy

My all-time favorite is the Lockheed FR-71 Blackbird...Imagine flying over the USSR at Mach 3.5, taking pictures and being absolutely untouchable

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jojo
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PostPosted: Tue Oct 29, 2013 9:02 pm    Post subject: Reply with quote

On a technical point, the Garmin does not take into account altitude so 1061 km/hr is not ground speed nor is it the true air speed. I could show you the maths to prove it but an appointment with my distillery makes it all a bit hazy. However, my Disco 1 will do faster than that, so there!

PS: Oh no, sorry I thought that was 1061 km per week!!!

J
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PostPosted: Tue Oct 29, 2013 11:08 pm    Post subject: Reply with quote

My poor old old Garmin obviously got confused after another flight...

work this one out:


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.
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PostPosted: Wed Oct 30, 2013 8:42 am    Post subject: Reply with quote

I had a blazing row with a male trolly dolly on a flight when he told me I had to switch my satnav off as it could cause the plane to crash Rolling Eyes

He could grasp the fact that it wasn't a transmitting device.

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Jim1064
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PostPosted: Wed Oct 30, 2013 9:42 am    Post subject: Reply with quote

Did you reset the max speed?
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jojo
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PostPosted: Wed Oct 30, 2013 10:08 am    Post subject: Reply with quote

. wrote:
I had a blazing row with a male trolly dolly on a flight when he told me I had to switch my satnav off as it could cause the plane to crash Rolling Eyes

He could grasp the fact that it wasn't a transmitting device.


You are right, the Garmin isn't a transmitting device but TomTom "Always Connected" satnavs are.

J
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rhinoman
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PostPosted: Wed Oct 30, 2013 12:33 pm    Post subject: Reply with quote

. wrote:
I had a blazing row with a male trolly dolly on a flight when he told me I had to switch my satnav off as it could cause the plane to crash Rolling Eyes

He could grasp the fact that it wasn't a transmitting device.


Ah but it is. Do you know what EMC class its qualified to? I'm pretty sure that it won't have been qualified to be used on an aeroplane.

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.
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PostPosted: Wed Oct 30, 2013 12:48 pm    Post subject: Reply with quote

Surely the plane electronics should be suitably screened against EMI?

AFAIK EMC Directive 89/339/EEC covers aircraft and aeronautical electronics so any CE and FCC marked satnav should be fine.

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dxmedia
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PostPosted: Wed Oct 30, 2013 1:46 pm    Post subject: Reply with quote


Link
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.
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PostPosted: Wed Oct 30, 2013 2:01 pm    Post subject: Reply with quote

Applause Laughing Brilliant
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???? the V8 90 CSW
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Nightbar
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PostPosted: Wed Oct 30, 2013 8:43 pm    Post subject: Reply with quote

Jim1064 wrote:
Did you reset the max speed?


No - I hadn't.

I just think it (she's called Jill actually) threw a hissy fit.

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dxmedia
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PostPosted: Fri Nov 01, 2013 2:36 pm    Post subject: Reply with quote

http://www.bbc.co.uk/news/technology-24761329

Seems that it always was BS.
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ukjeeper
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PostPosted: Fri Nov 01, 2013 2:56 pm    Post subject: Reply with quote

Lent my smartphone to Dr Who. May not have been a good idea... #TimeTravelling

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rhinoman
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PostPosted: Sat Nov 02, 2013 9:25 pm    Post subject: Reply with quote

. wrote:
Surely the plane electronics should be suitably screened against EMI?


They do have to be 'suitably screened' whether or not its adequately screened against a mobile phone or transmitting GPS is another matter, if the emissions from the device are less than the level at which it was qualified then it won't be a problem.

. wrote:
AFAIK EMC Directive 89/339/EEC covers aircraft and aeronautical electronics so any CE and FCC marked satnav should be fine.


That isn't the case at all, a device can be CE approved but still interfere with other equipment, my wife gets quite irritated if I leave my phone next to our old TV. EMI levels do take into account commonly used frequencies but if the avionics was qualified some time ago then the limits in force at the time may not have taken into account the frequencies or power of a modern device. That's one of the reasons why airlines are reluctant for people to use devices because the testing hasn't been done.

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cynic-al
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PostPosted: Sat Nov 02, 2013 11:25 pm    Post subject: Reply with quote

not quite as fast but the satnav from my lorry claims a top speed of 120mph, for a 40 tonne vehicle limited to 56 I think it's just as impressive and even more unlikely Laughing
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dxmedia
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PostPosted: Sun Nov 03, 2013 11:13 pm    Post subject: Reply with quote

rhinoman wrote:
. wrote:
Surely the plane electronics should be suitably screened against EMI?


They do have to be 'suitably screened' whether or not its adequately screened against a mobile phone or transmitting GPS is another matter, if the emissions from the device are less than the level at which it was qualified then it won't be a problem.

. wrote:
AFAIK EMC Directive 89/339/EEC covers aircraft and aeronautical electronics so any CE and FCC marked satnav should be fine.


That isn't the case at all, a device can be CE approved but still interfere with other equipment, my wife gets quite irritated if I leave my phone next to our old TV. EMI levels do take into account commonly used frequencies but if the avionics was qualified some time ago then the limits in force at the time may not have taken into account the frequencies or power of a modern device. That's one of the reasons why airlines are reluctant for people to use devices because the testing hasn't been done.



You're a little behind the news. AA have just aloud gadgets switched on during take off. It's been BS for years.
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Jim1064
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PostPosted: Mon Nov 04, 2013 4:12 pm    Post subject: Reply with quote

Since the last few months, BA allows gadgets and phones to be used as soon as the plane has landed.

But the number of times I've forgotten to switch of my phones is countless and there must be many who make the same mistake.

Earlier this year, after landing at Heathrow on a direct flight from Shanghai, I discovered I'd picked up a Vodafone text message saying "Welcome to RUSSIA....". I thought that was funny!

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Avoid the unmanagable.
(stolen from a traffic sign in Bangalore, India)

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