> On Sep 13, 3:33 am, "Atheist Chaplain"
cia.gov> wrote:>>
>>>>> "Ned"
aioe.org> wrote in messagenews:gadt3s$b8p$1@aioe.org...>>>>>> From CNN - A U.S. Air Force pilot has landed a plane in Antarctica
>>>>>> in
>>>>>> the dark for the first time using night-vision goggles, a feat that
>>>>>> could lead to more supply flights to scientific bases in the frozen
>>>>>> continent during its dark winter months, officials said Friday.
>>
>>>>>> The C-17 Globemaster cargo airplane landed in a driving snowstorm on
>>>>>> the 10-kilometer (six mile) ice runway at the U.S. Antarctic
>>>>>> research
>>>>>> center at McMurdo Station, after months of practice runs by pilots
>>>>>> using the goggles.
>>
>>>>> Can NVG's see through a driving snow storm?
>>
>>>>> Graham
>>
>>>> Good question. And with the aircraft's landing lights on, the amount
>>>> of
>>>> reflected light from the snow-flakes would normally overwhelm the
>>>> goggles. I know from personal experience that NVGs aren't that great
>>>> when
>>>> using them in heavy rain and active illumination.
>>
>>> Which was pretty much what I was thinking.
>>
>>> Graham
>>
>>>> --
>>>> "Those who beat their swords into ploughshares will plough for those
>>>> who
>>>> didn't".
>>
>> High intensity IR LED's in the landing lights would do the job quite well
>> without having to worry about the reflected active illumination from the
>> main landing lights, in conjunction with IR reflectors (as used on the
>> back
>> of most military vehicles in night time full tactical situations) would
>> finish the job,
>
> "Hell I have been doing some experiments with IR stuff for
> the last couple of months, and it would seem pretty trivial"
>
>
http://www.wunderground.com/global/stations/89009.html
>
> MILspec goes to -40. I had a freezer to test electronics
> that went lower, wires shatter, metal brittles. You'll need
> to extend your specs to -120F.
> Ken
your also assuming that the de-icing on the AC is turned off ??
--
God made me an atheist. Who are you to question his wisdom?
