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mark_pilkington

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Viewing 15 posts - 196 through 210 (of 1,652 total)
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  • in reply to: 2020 Restoration of Lancaster KB976 #785381
    mark_pilkington
    Participant

    The “Lancaster” at Newquay is largely a mockup created by Jeremy Hall, with only its nose being original, and that is a post war RCAF maritime patrol nose.

    While  it may be “an original post war Lancaster nose from KB976” that isn’t sufficient to bestowe the KB976 identity to this “airframe” or morph it from “mockup/replica” to “original airframe” status.

    Most of KB976 survives in Kermit Weeks hands, with some “missing/damaged” sections exchanged with sections from a derelict RCAF fuselage KB994, while it is currently dismantled and stored, it is a complete kitset quite capable of re-assembly and at the least static restoration and display, and holding more than enough of most of KB976 to claim and retain that identity.

    Kermit has the original cockpit, centre section and complete wing of KB976 together with the substituted centre and tail fuselage sections KB994 -more than enough to confirm that airframe as KB976.

     

    The residue of KB994 and the “missing/damaged” sections of KB976 consist of the fuselage tail at Aeroventure and the Centre Fuselage and cockpit down under – acquired and shipped from the UK as part of the Lincoln RF342 recovery, but kept seperate from that project and its current situation.

    Here is an excellent website recording the sad life of KB976, but it survives as a complete but dismantled Lancaster kitset stored in Kermit Weeks collection, and hence it is the real and only KB976

     

    in reply to: Home needed for dH Drover #785384
    mark_pilkington
    Participant

    Any photos and updates on the current location and status of this Drover airframe?

    in reply to: Another TIGHAR "Earhart artifact" questioned #794125
    mark_pilkington
    Participant

    I am not sure it is from a C-47 wing as the irregular spacing of the double row of rivet holes on the artifact do not match the jig drilled rivet lines seen on the “matching” portion of the C-47 wing, but that doesnt prove its the Miami window patch.

    As for Mr Glickmans skills to conclusively prove the artifact is the Miami patch through his “analysis” of some grainy out of focus film footage from Lae, well thats as likely as him ever delivering the peer reviewed analysis promised since 2014 that evidenced “he can see matching rivet lines” in a 1937 photo full of glare and reflections.

    Tighar has long since been a cult following the utterings of a High Priest, based on nothing but pseudoscience.

    regards

    Mark Pilkington

    in reply to: Thats great to hear Bruce

     …
    #796088
    mark_pilkington
    Participant

    Thats great to hear Bruce

     

    fingers crossed

    in reply to: American air museums airframe disposals trend? #788816
    mark_pilkington
    Participant

    I grew up last century when WW2 and John Wayne was our TV every Saturday as the afternoon movie, and when movies such as “Magnificent Men and their Flying Machines”, “Battle of Britain” and “Tora Tora Tora” brought our airfix models to life in our imaginations and play, – our fathers and others had been in WW2, and hence many of us became aviation enthusiasts.

    But today my children, – now grown up adults, don’t share my hobbies, have no interest in Airshows or Aircraft Museums, and do live through an online access and view of the world, despite the difference between the virtual and real world experiences.

    The same is happening with Steam Engines and Railway museums, – the kids no longer huddle over the tracks as “train-spotters” to take down railway plate numbers of diesel engines like earlier generations did with Steam Engines, and to be fair the kids are not “plane-spotters” riding their bikes out to the airports either.

    Does it mean all museums are destined to fail and close? – no not necessarily, – the volunteer museum I am involved in, continues each year to increase its membership and visitor numbers, by offering cockpit entries in normal visits, and special cockpit entry days that attract lots of young families for the day.

    But those open air museums on US Bases will eventually have to contemplate the future of their large collections that can only rely on the base commander or volunteers to continue manning the workload, even if the visitations drop off.

    There are a lot of big, and historic types sitting in those US Base museums, and the costs to dismantle and relocate to them to other bases will eventually leave some to face the scrappers, and the USAFM probably wont want to “keep them all”.(we are already seeing that happen)

    Unfortunately they will likely be beyond airworthy restoration and so it will be up to volunteer museums or regional collections to try and rescue some of them, but they will have to go under cover to really save them, and that’s extra cost above dismantling, transporting, re-assembling and repairing/restoring.

    Aviation Museums with Static Displays have to try to “bring them alive” as much as possible, – give access to touch and climb in at least some of the exhibits to allow tactile experiences for the visitors, if its not FUN they wont come again.

    That museum I am involved in, largely survives on its gate takings and shop sales, – membership fees don’t go far (and you don’t want to price your volunteers out of being a member), and government funding, corporate sponsorship and private donations are for special purposes and do not make up much of the annual turnover.

    However it is located in the middle suburbs of a 3 Million person Capital City, it would struggle to do what it does in a regional city or small country town.

    But I agree with the comments above

    [LEFT][COLOR=#222222][FONT=Helvetica][SIZE=13px]t’s not just aviation related attractions that seem to be suffering in this way, cars, buses, trains, industrial heritage museums all seem less attractive to the internet/’computer screen’ generation than they were to our generation.

    regards

    Mark Pilkington[/SIZE][/FONT][/COLOR][/LEFT]

    mark_pilkington
    Participant

    Thanks Tony, I couldn’t find it via a search on their website but I will email them to enquire

    Regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #789161
    mark_pilkington
    Participant

    Here some various modern photos from the net, of Wirraways flying with their younger T6/SNJ cousins to contrast the shorter rear fuselage, fabric covered metal tube front and rear fuselage, round rudder and straight trailing edge wing (copyright as per any branding)

    Regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #789227
    mark_pilkington
    Participant

    Here are some equivalent pages out of the CAC Wirraway manual, to show the similarities, between it (a licence built NA-16-2K / NA-33) and the Harvard I (an NAA built NA-16-1E / NA49)

    (and a “side on” modern photo as a comparison to the Harvard I in the previous post)

    Regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #789423
    mark_pilkington
    Participant

    I purchased a rare original North American Harvard I (NA-16-1E) manual from Canada (they only ever had 30 examples of the type) via Ebay a few months ago – it has just arrived.

    Its very easy to see the “family resemblance” with its “NA-16” sibling the CAC Wirraway

    regards

    Mark Pilkington

    in reply to: Your Favourite Control Column Stick/Yoke/Grip! #789467
    mark_pilkington
    Participant

    Does anyone have a Harvard control column top / spade grip (condition not a concern as long as its intact) that they are interested in parting with?

    regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #791293
    mark_pilkington
    Participant

    Hi Mark

    I note these examples were 2 degree washed-out. Without the washout things would be – indeed were – beyond marginal.

    Do you know the story of an attempt made to shortcut introduction of washout, so urgent was it? A wing was put in a jig by NAA with rivets drilled out, literally twisted and then re-riveted. As soon as it was removed from the jig, it sprang back, throwing rivets all over. I will dig out my source for that later.

    Matt

    .

    I would be keen to see that information as I have an ongoing interest in the NA-16 family of aircraft, – I have recently been collecting original NAA Trainer manuals and am currently waiting for a rare NAA Harvard I manual to arrive from Canada.

    I would agree that the original zero-wash-out wings would not be a good idea to replicate, and the BT-9 had a number of mods to improve its wing, and the CAC Wirraway seemingly benefited from those lessons, – my earlier post was simply to suggest that a Harvard Mk I “could be replicated” through using the Wirraway wing design as the basis of new Harvard I wings given both are NA-16 derivatives, and that the ongoing operation of Wirraways in Australia suggests they can be flown safely by experienced pilots.

    However, again as per my earlier post, if I was trying to create a flying Harvard I reproduction, I personally wouldn’t bother making new straight trailing edge wings and would instead use the later T6/SNJ taper wing for its ease of obtaining, its ongoing parts support and of course its better flying characteristics, and that a fabric covered full steel tube frame with short length rear fuselage, and flat bottomed rudder, would deliver most of the obvious visual aspects of the Harvard I compared to the Harvard II to IV, and most would not be aware of, and notice that its wing was a taper wing and hence incorrect for the type.

    I am not sure what Pat’s objective was in converting a set of Harvard II taper wing outers to Harvard I straight trailing edge wing outers, as changing the wing outers is probably the least recognisable element of a Harvard I, and hence a Harvard II with Harvard I wing outers would still be hard to identify on a flight line, and would be a poor reproduction of a Harvard I if it retained the metal skinned fuselage etc, and fitting the flat bottomed rudder would simply make it look like an SNJ-2.

    Where as the fabric covered fuselage, and flat bottomed rudder of a Harvard I would make it stand out as “different” on a flight line of T6’s, SNJ’s and Harvard II to IV’s , regardless of the paint schemes.

    Regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #791345
    mark_pilkington
    Participant

    I would be extremely wary of going back to the earliest of the breed. Recreating a non-washed-out, straight-winged, short-tailed, round-ruddered NA trainer.would mean reversing all the amends made to make a frankly dangerous aeroplane acceptable. There is a story in there, and as is often the case it’s not the one told by the manufacturer.

    We built and flew 750 2 deg washed-out, straight-winged, short-tailed, round-ruddered CAC Wirraway licence built NA trainers down under and coped with the wing stall characteristics, and have a number still flying today, although one restored example did succumb to those un-forgiving wing stall characteristics when the pilot was performing steep turns at an Airshow, but the same characteristics were also in the CAC Boomerang and CAC Ceres and those also flew successfully, with restored examples flying today, the characteristics were improved through the fitting of leading edge wedges to the centre-section as well as wing slats on the Ceres.

    [ATTACH=JSON]{“alt”:”Click image for larger version Name:tWirraway_A20_109a.jpg Views:t0 Size:t55.5 KB ID:t3865146″,”data-align”:”none”,”data-attachmentid”:”3865146″,”data-size”:”medium”}[/ATTACH]

    However If someone did want to recreate a Harvard I with a full steel tube (short) fuselage, and with its squared rather than rounded or triangular rudder, I personally would avoid the costs and issues with building new examples of the straight trailing edge wing and simply use the more modern T6/SNJ tapered wing, inclusive of its Centre-section and simply put round wing tips on it, what ever you build is only ever going to be a reproduction, not a restored and authentic original.

    In fact the first post war airworthy restoration of a Boomerang by Guido Zuccoli flew with a clipped T-6 tapered wing until the first new straight trailing edge Boomerang wings were built Matt Denning.

    Here is the description of the Wirraway wing from the Overhaul and Repair Manual

    l. Description. ‘ The wing assembly consists essentially of a centre section, two outer panels, two wing tips, two ailerons, two aileron booster tabs and five flap panels. The centre section. is of constant chord design and is set at a 2 angle of incidence. Each outer panel is twisted 2′, thus resulting in, an angle of 0’at the tips, The outer panels have a sweep back of 12 5′ at their leading edges and have, relative to the centre section, a dihedral angle of 5’ measured along the upper surface. The entire trailing edge of the wing is straight.

    2. Centre Section. The wing centre section is of aluminium alloy construction consisting of two spars with channel type flanges and flat sheet webs, flanged channel type intermediate ribs between the spars, two end plates and a corrugated sheet riveted to the spar flanges and intermediate ribs between the spars at the top. The entire assembly is covered with aluminium alloy sheet, with access doors and openings provided in the upper surface to accommodate the fuel co*k extension shaft, aileron control cables, flap and hydraulic brake pipes, fuel tank filler necks, . A large door, extending the whole length of the centre section between the spars,- gives access to the fuel tanks. When bolted into position between the outer wing panels this – door forms an integral part of the wing centre

    section. Incorporated in the assembly of this fuel tank cover is the manual bomb release mechanism. The removal of this cover gives access to both fuel tanks. The landing gear supports and lock-pin mechanisms are installed at the outboard ends of the centre section _on ,the front spar. Wheel wells are provided in the leading edge to accommodate the landing gear wheels in the fully retracted position. On the rear bottom surface of the centre section are installed electro-magnetic -bomb release mechanisms.

    3. Outer Panels. A twist of 2′ (wash-out) is incorporated in each outer wing panel, which is of aluminium alloy construction throughout. The basic construction of each- outer panel consists of a single spar, pressed flanged ribs and aluminium alloy sheet covering. Access doors are provided on the upper and lower surfaces to facilitate inspection, servicing, replacement, – The outer -panels are attached to the centre section by means of eight (8) bolts through angles riveted to end plates of the centre section and screwing in-o anchor nuts on the spar of the outer panel, also by numerous bolts through bolt angles which are riveted to the centre section and outer panels about their respective root profiles. Two universal type bomb carriers are built into each wing panel. These carriers are so arranged that the-.slip and .electro-magnetic releases are- entirely within the wing. The necessary bomb steadies and rails for the fusing units are incorporated as part of the wing assembly.

    For Pat’s inquiry above I have added a photo of the Wirraway wing outer panel and the repair drawing of the wing from the manual, showing the straight trailing edge in common with the NA-16 and Harvard I, and the 13 rib positions.

    Regards

    Mark Pilkington

    in reply to: NA Harvard Mk.1- Do any survive? #791433
    mark_pilkington
    Participant

    The only reason I ask is that I am currently exploring the possibility and feasibility of retrofitting a set of Harvard Mk 2 outer wing panels to a set of Harvard Mk 1 panels. Does anyone know if this has been done before? I see that there is currently an NA-50 replica for sale on Barnstormers that states that it has been modified from the later wing to the earlier straight trailing edge type and is six inches shorter than the standard Harvard wing panel. I would imagine that the earlier straight trailing edge wing panels also have 12 ribs rather than the 13 rib standard. Does anyone have any drawings that lay out the part numbers for the ribs on the early outer wing panels?

    Pat,

    it would be a major task to modify the later T6 forward swept trailing edge wing outers to become straight trailing edge wings for a NA-50 replica or Harvard I replica, although Matt Denning in Queensland Australia has been building CAC Boomerang wing outers for years and they are effectively shortened/clipped wing versions of the straight trailing edge Wirraway / NA-16 wing.

    There is only 1 surviving NA-16 example – in Boliva in South America, and no other known survivors of the various NA models with the early straight trailing edge wing such as the BT-9, BC-1, NJ-1 and Harvard I etc.

    But there are a healthy number of CAC Wirraways surviving with the NA-16 wing and a smaller number of CAC Boomerangs with the modified version and I have no doubt Matt could punch out a set of Wirraway/Harvard mk I straight trailing edge wing outers based on his production capabilities of Boomerang wing outers.

    The drawings of the CAC Wirraway wings do exist

    regards

    Mark Pilkington

    in reply to: Supermarine Graveyards #813661
    mark_pilkington
    Participant

    Well if anybody’s got any real proof, post a photo. I bet that not one which contains real proof will be posted.(please prove me wrong someone.;) )

    OK – I will collect on that bet – there you go, real proof of some Supermarine Swifts being buried in a hole in Woomera South Australia

    smiles

    Mark Pilkington

    in reply to: Air Race Board Games? #817816
    mark_pilkington
    Participant

    Stephen, that’s a great piece, perhaps the invitation to the dinner became his name plate and drink coaster at the table.

    In regards to the tray, I have one, you have one, the Museum of Victoria have one (from the same second hand store mine came from), and more recently a 4th one was on Ebay, and there is another shown online from a previous auction house sale, so that makes 5 surviving.

    Regards

    Mark Pilkington

Viewing 15 posts - 196 through 210 (of 1,652 total)