Wildcat Groupbuild-Grumman/GM FM-2 Crop sprayer N58918
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June 29, 2021Late versions of FM-2 and both crop-sprayer has wheels with 6 spokes. Fortunately Tamiya designed his wheels with separated hubs. So it’s possible to replace the kit hub (closed dish) with an aftermarket item (modified hub for P-47).2
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June 29, 2021Fortunately I can use my own research material from 1998 🙂4
August 23, 2021Tamiya released its Wildcat 1994. 27 years later despite Sword, Hobbyboss & Co this kit is the first choice for me to build each version of the Wildcat. Because of that I will go the same way as 1998.5
August 23, 20210,7 mm cooper wire as reinforcement (because the cowling is made of several parts).6
August 23, 2021FM-2ˋs cowling is shorter and larger and has only 2 cooling flaps on the upper side.7
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August 23, 2021Fasteners “punched” with flattened 0,5 mm needle (orange).9
August 25, 202110
August 28, 2021Wright R-1820 made by Metallic Designs. Very well created in resin, with very fine cylinder ribs. I found the pushrods a bit too thin and replaced them from 0,5 mm rod. Fasteners for the ignition wires (0,15 mm wire) are well visible. 4 x etched carburetor inlets (modified configuration compared with the F4F.11
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August 28, 2021Ignition wiring in place. New research results: both wires of each cylinder were installed on ONE pushrod. Except cylinder No.1 (12 o’clock).13
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August 28, 2021I already talked to the farmer about manure…🙂15
August 29, 2021Propeller from the kit. Only the hub will be used after rotating 180 deg.16
August 29, 2021Left: TBF prop (AM), blades from the same prop shortened by about 5mm. Modified hub. The very forward part is a half of a 250 lbs bomb in 1:7217
August 29, 2021Completed FM-2’s prop minus usable axis on the rearside.18
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September 4, 2021Kit parts plus a about dozen of instrument bezels made by aero scale. Else 0,0 extra parts 🙂20
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September 4, 2021DF HeloStuff’s harness.22
September 5, 2021Enlarging of the tail completed. 2x2x0,4 mm wire as enforcement included.23
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September 6, 2021Red arrows: position of the pylon.25
September 8, 2021Each cylinder of the R-1820 has an own exhaust stack. No "bulge" on lower removeable panel (notch filled with plastic).26
September 8, 20212 x 2 stacks on the lower side.27
September 8, 20212 exhaust stack on the left side.28
September 9, 2021Wright R-1820 (Metallic Designs)29
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September 9, 2021My special technique for installing radial engines in cowlings: in most cases 3 and this time 4 pieces of 0,4 mm wire glued with CA into the cylinder heads.31
September 9, 2021The alignment of the engine is very easy and allows precision.32
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September 9, 20215 minutes later: prominent ends of wire removed and surface cleaned with 800 grid flexifile.34
September 10, 2021I add a 1 mm heigh ring of plastic for clear installation of the wheel disc without mess.35
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September 10, 2021Very subtle weathering on the blades (radial brushed with a wide brush and dark aluminum on the leading edge)38
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September 11, 2021How to install the new cowling & engine to the rest?40
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September 15, 2021Masking tape trimmed in shape via template of 0,28 mm plastic. In this picture masked 2nd time for black.47
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September 16, 2021Sometimes you are just lucky: an old sheet with black letters by Carpena had exactly the correct letter size.51
September 16, 2021The ant skid walk way made as usual of painted decal (undiluted dark grey and very low pressure).52
September 17, 2021It seams that both crop sprayer used T-33 aux tanks.53
September 17, 2021Not sure if the tanks were 1:1 used or equipped with a 2nd fin.54
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September 18, 2021Few maintenance hints.57
September 18, 2021The sole 3 stack-group on top right.58
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September 19, 202110 spraying „stacks“ per side. 0,5 mm brass tube.61
September 18, 20213D printed tanks. N58918 has no fins: notches filled with plastic. Pylons made of 1,5 mm thick plastic. 4x0,55 mm wire as attachment.62
September 20, 2021After sanding the first “off white” coat. The 3D printer steps are well visible.63
September 20, 2021Unfortunately I lost the rectangular kit part and have to scratch them.64
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November 22, 2021Result of the (mini)groupbuild: N1352N and N58918 ready for next spraying task.90
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9 September 2024, 00:17 -
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