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Cheers RB199,
As yours is the only vaguely sensible answer i'll go with that. looking at E-3a pics it looks like they were originally at the wingtip (He guesses) but were moved on the e-3d to accomodate those ESM/ECM pod jobbers at the wingtip.
As yours is the only vaguely sensible answer i'll go with that. looking at E-3a pics it looks like they were originally at the wingtip (He guesses) but were moved on the e-3d to accomodate those ESM/ECM pod jobbers at the wingtip.
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KIJ
If you look back at the picture of the ill fated (and totally useless) AEW Nimrod you will see similar wing tip pods...in fact identical! It was decided/insisted that the same system was used post Nimrod so the tips of E3D are turned through 90 to allow the loral? pods to be mounted.
If you look back at the picture of the ill fated (and totally useless) AEW Nimrod you will see similar wing tip pods...in fact identical! It was decided/insisted that the same system was used post Nimrod so the tips of E3D are turned through 90 to allow the loral? pods to be mounted.
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Nimrod AEW - The problems with the Nimrod AEW were more of the combination of the parts than the parts themselves. The positioning of the radar is the optimum method of mounting for
the most effective scanning. The aircraft radar did work it's just that the cooling of the systems in the narrow bodied aircraft couldn't be effected very well . Whilst many choose to knock it
I am sure that the radar for it's time in comparison with the Sentry was more advanced.Had we had ditched the Nimrod airframe and used something like a short bodied Airbus A300 we wouldn't be totally reliant on Boeing.
the most effective scanning. The aircraft radar did work it's just that the cooling of the systems in the narrow bodied aircraft couldn't be effected very well . Whilst many choose to knock it
I am sure that the radar for it's time in comparison with the Sentry was more advanced.Had we had ditched the Nimrod airframe and used something like a short bodied Airbus A300 we wouldn't be totally reliant on Boeing.
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Kim,
If you look closely at an E3D, or any other 707 aircraft for that matter, you may even spot another gun/dump valve/hf aerial thingy atop the tail.
Personally, I will go along with HF aerials.
Y_G
If you look closely at an E3D, or any other 707 aircraft for that matter, you may even spot another gun/dump valve/hf aerial thingy atop the tail.
Personally, I will go along with HF aerials.
Y_G
Ecce Homo! Loquitur...
NimWACS radar? IIRC, it couldnīt point at the coast as the track overload crashed the system. Computers not up to the job and no room/weight to replace them. I believe the nimrods dutch roll also caused problems.
Then there was the Mayday the first time it went above FL260; there was an enormous cracking sound and they gingerly took it home to find the radome cracked around most of the circumference from the internal air pressure.
And, as you mention, the wonderful system of using the fuel as a heat dump. Had to wait until they reached the orbit to turn the radar on and turn it off when they left, otherwise the endurance became a joke.
A different airframe might have allowed changes and improvements to performance, but thatīs all speculation....
Things behind cockpits? What about that great British invention, the Shackleton with just the one big spark plug screwed in the top?
Then there was the Mayday the first time it went above FL260; there was an enormous cracking sound and they gingerly took it home to find the radome cracked around most of the circumference from the internal air pressure.
And, as you mention, the wonderful system of using the fuel as a heat dump. Had to wait until they reached the orbit to turn the radar on and turn it off when they left, otherwise the endurance became a joke.
A different airframe might have allowed changes and improvements to performance, but thatīs all speculation....
Things behind cockpits? What about that great British invention, the Shackleton with just the one big spark plug screwed in the top?
Ref rear facing pitot tubes.
You are all wrong. They are, in fact, the waste pipe to drain off the water from the dishwasher. This is in constant use on a normal sortie and is situated in the galley, which takes up the back half of the airframe.
You are all wrong. They are, in fact, the waste pipe to drain off the water from the dishwasher. This is in constant use on a normal sortie and is situated in the galley, which takes up the back half of the airframe.
Ecce Homo! Loquitur...
But why are the washing machines and tumble driers so far outboard on the wings?...........
(Course, the old Shak only had rotary driers in itīs day.... )
(Course, the old Shak only had rotary driers in itīs day....
)
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Ooeer, Real confused now, HF it is then. My own fault for momentary lapse into spotter mode. 
For anyone interested, apparently there is a shackle-bomber or two merrily oxidising into the groung at Paphos airport. Anyone know the history?
For anyone interested, apparently there is a shackle-bomber or two merrily oxidising into the groung at Paphos airport. Anyone know the history?
Ecce Homo! Loquitur...
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aerials
The definitive answer from ex-E-3 aircrew... The aerials on the upper wing surface just inboard on the wingtips are HF areials, there are 3, one on each wingtip and one on top of the fin. The pods on the wingtips are ESM pods. Fuel is dumped via dump masts that arre extended from beneath the wing just aft and putboard of the main gear. Hope this clears up this area of confusion.
Dishwasher Water
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What frequency does HF use with a Dipole aerial only 18" long?
I need to know, otherwise my last 35 years of Electronic Theory and application has been wasted - ie - VLF about 2 miles - SUHF - about 3 inches
Nice shot though Dr Ill
Reminds me of a memorable scene from "The Dirty Dozen" when a condemmed man, acting as a General, reviews a Guard of Honour and turns to the Base Commander and says -
"Might pretty Colonel, but can they fight?"
I need to know, otherwise my last 35 years of Electronic Theory and application has been wasted - ie - VLF about 2 miles - SUHF - about 3 inches
Nice shot though Dr Ill
Reminds me of a memorable scene from "The Dirty Dozen" when a condemmed man, acting as a General, reviews a Guard of Honour and turns to the Base Commander and says -
"Might pretty Colonel, but can they fight?"