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Portagee

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Viewing 15 posts - 181 through 195 (of 594 total)
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  • January 16, 2013 at 12:49 pm in reply to: Helicopter Crash in Vauxhall #397420
    Portagee
    Participant

    Confirmed pilot and one person on the ground dead.

    Sad as it is could have been a whole lot worse.

    January 8, 2013 at 2:19 pm in reply to: Most beautiful aircraft #2264107
    Portagee
    Participant

    I love the obvious contenders, Spitfire is graceful, yet the B-1B is also very graceful when seen sliding it’s wings back as Here

    But for me, the XB70 Valkyrie.
    It’s was like a Gerry Anderson design from Thunderbirds, so far ahead of anything else around.

    January 7, 2013 at 1:59 am in reply to: QEC Construction #2007305
    Portagee
    Participant

    I’m curious about the 360 degree coverage.
    I keep reading lines like

    Carrying one pod mounted on either side of its fuselage, a medium utility helicopter such as the Mil Mi-17 would be able to provide 360° radar coverage, with each AESA sensor’s field of regard being expanded by the use of using a mechanical positioner.

    From sources such as Flight Global

    I could be wrong but I read that as the pods or at least the AESA “array” having to be mechanically steerable to cover the full 360 degrees and that this would apply to the Merlin as well. I haven’t seen anywhere what it’s constant coverage would be in term of degrees. And as such if both pods turned full forward how big a hole does it leave behind the aircraft

    Erieye has publicly quoted 300 degree constant coverage.

    January 6, 2013 at 11:36 pm in reply to: QEC Construction #2007312
    Portagee
    Participant

    A layman’s thought, if your going to use the AW609, then would something off the shelf like Erieye from SAAB EDS (Ericsson) not offer a solution.

    It would be pretty straight forward to bolt on the top, it doesn’t appear to add any additional height. It can operate autonomously with I think it’s 3 sensor operators on board, or downlink a surface vessel for distribution.

    Looking at the SAAB 340, it’s a 9 metre antenna, for an AW609 it would have to be 5 or 6metres. Would that be to much of a compromise?

    Excuse my poor photoshop skills, but something like this

    January 4, 2013 at 12:22 am in reply to: QEC Construction #2007371
    Portagee
    Participant

    I found this carrier alliance website tonight, it is for a a time-lapse of construction.

    I think LB04 and the forward section are skidded together going on the last few seconds of video on camera 1 and 2. Surprisingly for me they did it by pushing the larger forward section back onto LB04.

    http://www.qecassembly.co.uk/

    Corrected due to grammar failure!

    From the camera 2 position you see the red transporter units getting lowered in around the bow section using a relatively small crane. I’m guessing that it would be more of a hassle to place them between the sections with one of the larger reach cranes, then roll the stern forward, and then have to get the units back out from between the stern and the dock gate.

    This way they come out the way they went in, but with even more space curved end of the dock.

    I’d imagine that this was the last “dry shift” of the sections and for any other movements they’ll flood the dock.

    January 1, 2013 at 6:49 pm in reply to: Newark Air Museum Briefing – 2013 #985615
    Portagee
    Participant

    Hope to get down there this year…it’s out of range for a day trip.

    All being well should be able to organise a weekender.

    December 30, 2012 at 2:37 pm in reply to: overhead wing #525299
    Portagee
    Participant

    How does the Dornier 328 compare?

    December 30, 2012 at 2:29 pm in reply to: FOAS #2268001
    Portagee
    Participant

    You know I think there is a chance that Typhoon will get the conformal tanks in the end.

    What will change in my opinion is the demarcation between penetration strike, CAS and air superiority within the RAF and the types it operates. Basically Typhoon and F-35B will be pressed into any of those roles on an ad-hoc basis depending on events.

    I don’t entirely see that as a bad thing.

    If they are able without too much cost turn the typhoon into the jack of all trades the later variants of F16 has become, without loosing too much of the agility that it currently has, I think the RAF could end up quite happy.
    That then leaves the F35B for the FAA and a specialised role with the RAF.

    The only real thing I’d say was missing was a missile truck for extended range Storm Shadow

    December 30, 2012 at 2:20 pm in reply to: FOAS #2268006
    Portagee
    Participant

    Does a twin engine F35 not take us back to a strike version of the F22. An FB22 if you will.

    December 28, 2012 at 2:21 pm in reply to: General Discussion #269540
    Portagee
    Participant

    The article says that she flew a couple of circuits, what’s not clear is whether she flew an approach and climb out prior to actually landing.

    December 28, 2012 at 2:21 pm in reply to: VERY lucky group of spotters!! #1868132
    Portagee
    Participant

    The article says that she flew a couple of circuits, what’s not clear is whether she flew an approach and climb out prior to actually landing.

    December 28, 2012 at 12:05 am in reply to: Old airship instrument? #991510
    Portagee
    Participant

    Davis & Son is now Davisderby Ltd.

    Might be worth asking them directly for any info, their website does have a brief history section covering surveying instruments.

    http://www.davisderby.com/contact.php

    December 19, 2012 at 12:04 am in reply to: Victor XL231 And Nimrod XV250 Work Diary #1003289
    Portagee
    Participant

    The night shots are superb, but the third one (Ground level front Quarter) showing off the new paint, and the last one are just stunning.

    December 16, 2012 at 8:24 pm in reply to: Spitfire Props #1006439
    Portagee
    Participant

    I have to say though brilliant how the the thread has panned out.

    one apparently simple question leading to engine and rotor rpm, reduction ratios, circular velocities and forward speed components.

    If said teacher were to read this thread though, I’m willing to bet the thought “I wish I’d Never asked” has passed through their head 🙂

    December 11, 2012 at 11:52 pm in reply to: Military Aviation News-2012 #2275065
    Portagee
    Participant

    Truman Hosts First Flight Deck Taxiing of X-47B UCAS-D

    X-47B deck handling trials Youtube video

    Photos
    http://www.navy.mil/view_image.asp?id=141119
    http://www.navy.mil/view_image.asp?id=141118
    http://www.navy.mil/view_image.asp?id=141115
    http://www.navy.mil/view_image.asp?id=141116
    http://www.navy.mil/view_image.asp?id=141117
    http://www.navy.mil/view_image.asp?id=141112
    http://www.navy.mil/view_image.asp?id=141113
    http://www.navy.mil/view_image.asp?id=141114
    http://www.navy.mil/view_image.asp?id=141111

    As someone commented in Youtube, who is the Yellow Jacket waving his hands too?

    Is his position in guiding the aircraft, like the guy who had to walk in front of the early cars waving a flag. Do the rest of the deck crew take their placings and positions from him in front of the aircraft?

    I’m sure that there is perfectly sensible reasons for waving at an unmanned vehicle but given the person who appeared to be controlling it was standing behind him and not using the on board cameras and working from a box somewhere deep inside the carrier, it just looks strange.

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