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BS_w

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  1. the midnight blue was used for cockpit interior only(between frame 3 to 5 -from instrument panel to the backrest), Under the rear vision windows the area could be painted gris bleu clair or "natural finish", (duralumin sheet was coated with clear varnish on both side before assembly).
  2. early d 520 had cockpit paint in medium grey blue, then from dec 39 midnight blue was specified, canvas seat and it cushion were of same colour midnight blue below, wreckages of early 4: frame of sliding enclosure and late D520 stiffener D520(cockpit) Humbrol 189 - molak midnight blue - molak gloss sea blue on french built airplanes, the wheel well and oleo leg LG as considered as exterior surfaces so they were painted in same colour as undersurface; gris bleu clair(there were two "gris bleu clair", the firts was darker than second shade which appear at mid production) here it's last U/C D 520
  3. MS406 were fitted with rear vision mirror
  4. RAF tomahawk & Kittyhawk had Sutton harness S.I.S. 445 (H 81a Tomahawk cockpit pic of IWM shows this harness and pilot's note of H 87A Kittyhawk specify this harness) kitty IV of RAAF has harness similar to US model
  5. the patches were cutout with a punch and die. for large size shapes a flexible blade was mounted between wood blocks on a support to obtain a cutout with rounded edge. I think one of these patch was cut in reverse face so they were symmetrical
  6. the insulation resistance of mast to earth to be not less than 5 MOhms so it was prescribe care taken to not paint insulators. unfortunately the material of of insulator plate(547) is not noted, but it was probably bakelite or laminated plastic
  7. the gas detection was not paint here, it was self adhesive patches, there was different shape productions.
  8. the only H81 serial number finished by "877" was "AH 877" it was an airplane of initial french contract which was cancelled
  9. Curtiss export airplanes as H75 were delivered with interior surfaces coated with one coat of prussian blue Lionoil following by one coat of yellow-green primer: 5. DETAIL REQUIREMENTS: 5.52 Interior Metal Parts and Surfaces: the finish for interior(unexposed) parts and surfaces (wings, fuselage, control surfaces) shall consist of one of the following schemes, unless a specific scheme is specified in the contract. - 5.521 All alclad 24ST used as skin covering for wing, fuselage, tail surfaces, and other parts fabricated in the heat treated conditions to be coated both sides with blue Lionoil shop coating, or equivalent, prior to fabrication and assembly.After assembly all Lionoil exposed on exterior to be removed to leave natural alclad as the exterior finish. Lionoil to be left on the interior. - 5.522 All alclad, 2S, 3S, 4S, and 52S parts in the interior of wing, fuselage, tail surfaces, etc. (except fuel and oil tanks): No anodize, no organic finish before assembly other than shop coating which was on the parts before fabrication. - 5.523 All non alclad aluminium alloy and magnesium alloy parts not specified elsewhere, including castings, forgings, extrusions, formed parts, etc.: surface treatment, if any, (see paragraphe 5.2 and 5.4). One coat of primer and one coat of cockpit coating before assembly. - 5.524 All interior steel parts except corrosion resistant steel and large welded structures: Cadmium plate. One coat of primer and one coat of cockpit coating before assembly. - 5.525 The interior of the entire fuselage, and parts enclosed therein to be given one coat of the following mixture to produce uniform and satisfactory appearance: COCKPIT COATING FORMULA One gallon zinc chromate primer one-tenth gallon black enamel Two gallon of Toluol 4 ounces aluminium paste - 5.526 No touch-up operation is necessary on rivets or bolts. - 5.527 Aluminium alloy connector boxes, conduit tubing, fittings, and the clamps need not be finished before assembly. After assemby such parts in the interior of the fuselage only receive one coat of cockpit coating(5.25) Original paint on french Hawk A3
  10. when the non skid material was used it was rubber sheet(Wondergrip) bonded on metal skin(Spit Hurri, typhoon early) this material was replaced by non skid paint ( the rubber walkway decrease 5-6 MPH the max speed)
  11. for severy french airplane the scheme of camo must be various to avoid memory of shape. seen this nota on camouflage and markings drawing MS 406 -1939. But some model, as the Potez 63 family ha a standard camouflage pattern(aft 39) interior surfaces of cockpit was blue grey before dec 39 (63-11 wreck) then after the midnight blue was used(on the right), at the left it's blue-grey
  12. seen on Curtiss factory paint scheme(1943) (Arrmy camo : neutral gray 41 / olive drab 41+ frin,ges 42)
  13. june 43 appear the new IFFs with antenna mast under the wing, but the old IFFs with cheese cutter antenna remain in place on the a/c already fitted. so after this date we can see the both type. Malta spitfire was a specific case an lettre dated 18th june 43 from Air Headquarters, Malta. to R.A.F Station LUQA R.A.F Station HAL FAR R.A.F Station TA KALI R.A.F Station KRENDI R.A.F Station SAFI Maintenance wing Malta Spitfire aircrafts - removal of I.F.F. Gear. Certain Spitfire aircdraft have had the I.F.F. removed in accordance with Spitfire Local Modification No.4. This modification when embodied, called for the removal of inertial balance weight introduced by modification Spitfire/370. 2. Recent Mediterranean Air Command Instructions ordered the replacement of IFF gear in these Spitfire aircraft.... ..... for these reasons the cheese cutter aerial was not always visible on the pics of Malta Spitfire.
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