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Sandbagger

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Sandbagger last won the day on June 26 2016

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About Sandbagger

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    New Member
  • Birthday 12/12/1949

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  • Website URL
    http://igavh2.xara.hosting

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  • Gender
    Male
  • Location
    Coningsby, Lincolnshire, UK

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  1. Hi all, The leading edge plywood 'saw tooth' fairing is tricky to do, but can be done. Structure drawing of 1/72 scale resized by 160%, then printed, cut out and used as a template on 0.2 mm thick plastic card. The fairing is test fitted and adjusted where necessary then secured in position using thin CA adhesive. Starting on the top of the front wing spar then once set, rolling the wing over the fairing and applying adhesive at the same time., Mike
  2. Hi all, The 3D printed lower wing is detailed enough, but as normal there are details that can be added to make it more authentic. Early production Fokker D.VII aircraft were fitted with bracing tapes that were routed across the wings between the front and rear wing spars and between the rear wing spar and the wing trailing edge. These tapes were routed in a diagonal ‘zig-zag’ form, up and over each wing rib. However later production aircraft were fitted with 10 mm square strip wood as replacements for the earlier tapes. The 3D printed wings represent the later, strip wood version. Although these strip wood struts can be left to make the model build easier, I've chosen to remove the wings strip wood struts and represent the earlier bracing tapes. In addition, the two wing halves, when test joined at the centre section spars, showed a higher than expected dihedral angle. Therefore I had to shave away material from the spars to achieve the correct angle. Finally the leading edges of both wings were fitted with 'saw tooth' plywood fairings, which will need to be scratch made, as will the trailing edge support wire for attaching the linen covering. So far: Spars adjusted. Strip wood bracing removed. Diagonal bracing struts added to inner and outer trailing edges. Holes drilled at the wing strut attachment points for attaching the wings internal cross bracing cables. Wings scrapped clean of wax support material, assembled and primed. The upper wing, which is in three sections, will require similar treatment. Mike
  3. Hi all, Well the fuselage is completed, apart from fitting the engine exhaust and the propeller. The Rudder and Elevator control runs have been connected with the turnbuckles under the pilot's seat. Also the tail plane to fin bracing cable. The entire fuselage has been weathered and sealed. So now it's on to the lower wing, followed by scratch building the skeletal undercarriage assembly, which unfortunately is not available as a 3D printed part. Mike
  4. Hi Bill, My pleasure. Hi all, Tail unit assembled from the 3D printed parts. Very fragile once separated from the support frame, so should prove interesting. The elevator was missing the inboard trailing edge profile, presumably missed during printing process. Therefore I had to make the profiles using 0.8 mm brass tube. Mike
  5. Hi all, I've added the padding rim around the fuselage decking panel and onto the top of the cockpit side frames. This was done using 2.0 mm diameter plastic tube which was sanded to form a grip for painting. Then it was slit along one side and located over the decking and secured in position with thin CA adhesive. Finally it was primed, painted 'Humbrol' leather (62) and 'Tamiya' Hull Red (XF9), sealed then given a clay wash and finally sealed with 'Alclad' Light Sheen (ALC-311). Mike
  6. Hi all, Both machine guns are now fitted along with their synchronization flexible drives. These drives are connected between the bottom of the gun breech blocks and the gun synchronization mechanism, fitted to the rear of the engine cam shaft, Mike
  7. Hi all, I realized that the fuselage rear decking panel was incorrect. I made it such that the front edge butted up against the rear of the pilot's seat support frame. In fact the decking seems to have passed over the seat frame, forming the rear cockpit surround, then onto the top of the cockpit side frames. After several tries and five broken bracing wires, I think it's just about there now. Now onto making the padded rim to fit around the cockpit rear decking and after that, the machine guns, Mike
  8. Hi all, The fuselage bottom cross bracing is done, which completes the fuselage bracing. Also the tail skis has been fitted, with 0.125 mm copper wire suspension springs and 0.2 mm lead wire retention cable. Now it's onto making the cockpit surround padding and fit the two modified 'Gaspatch' machine guns with their synchronization cables, Mike
  9. Hi Ted, Looking good and a great idea using tie-wraps as ammunition belts - clever, Mike
  10. Hi all, The fuselage rear decking panel fitted. Now to cross brace the bottom fuselage frames, then it's onto the tail skid assembly, Mike
  11. Hi all, The fuselage side frame bays are now cross braced. Now to make and fit the top decking panel and finally cross brace the bottom fuselage frames, Mike
  12. Hi all, The top fuselage frames are cross braced. Onto the sides now, then the make and fit the top decking panel and finally cross brace the bottom fuselage frames, Mike
  13. Ted, I have the old 'Battle Axe' and the 'Falcon' vac-form kit, but then 'MicroMir' released their Fokker D.VIII, so I built that one instead. Not a bad kit but I chose to scratch build the cockpit frames, seat frame, undercarriage and wing struts from brass micro-tube. Also made the cockpit plywood panels from plastic card. My PDF build log is available for download if you want it: http://igavh2.xara.hosting/#xl_xr_page_gallery1 Mike
  14. Hi all, Rigging has started now. Difficult to make out some of the rigging as I had to tie back the flight control lines as they were getting in the way. So far: Double bracing across the top of the fuel tank. Double bracing across the underside of the cockpit floor (2 sets). Double bracing across the frame bays adjacent to the pilot's seat. Double bracing across the rear of the pilot's seat support frame. Double bracing across each vertical fuselage frame. Done with 0.08 mm Mono-filament, 0.4 mm Nickel-Silver tube and 1:48th scale turnbuckles ('Gaspatch'). The same needs to done on each of the frame bays on each side of the fuselage as well as those under and on top of the fuselage. Mike
  15. Hi all, The front end gas been weathered up a bit to keep it aligned with the associated Fokker D.VII model. It's ready now for cross brace rigging and the fitting of the twp machine guns with their synchronization drive cables, Mike
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