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Tuesday, August 7, 2018

Timm Tutor on civil guise (Execuform 1/72nd scale vaccum-formed)

A simple vacuum-formed model from Execuform. This is again for a friend, since my interest on the type is  lukewarm, to say the least.
It is posted so it can hopefully encourage those having vac kits and not quite gathering momentum to start one.
It's easy, as you will see.
I agreed to build it under the condition that it will be completed on a civil paint scheme.
Not like this one below in the Wikipedia link, but in a simpler scheme (it gives an idea of the type, though):

This was surely a vintage edition, since it has white metal parts:
Contents of the kit's bag:

The white metal accessories:
 The very simple parts, an Execuform trade mark:
And what pilots and modelers like: redundancy!
Several canopies vacuformed in thin very clear plastic:
 In this mold, parts are marked and cut from the back of the sheet, where the parting line is clear: 
 Parts off the backing sheet with no effort: 
 The nice (for the time) white metal parts: 
 The engine even has the cylinder exhaust stacks:
 All parts free en ready for some little surface detail (there is a plan with the kit, and you have to engrave everything regarding surface detail, even ailerons, flaps, rudder and elevator lines:
 The nice part of vacs: I nicked an edge, which was easily and quickly repaired adding a sliver of plastic:
 And then trimmed back and sanded smooth:
Halves glued together and seams treated. The fit is good, and the gauge of the plastic is generous, allowing for comfortable sanding and refining.
The wing to fuselage fit requires work and filler.
I chose to add the interior (still to be scratched) through the wing opening under the fuselage.
Now all the control surfaces have to be engraved:
All control surfaces are marked and engraved: 

 Holes for the stab spar, Pitot, landing gear are drilled:
 The elements of the interior are fashioned:
 A spar is installed for the stab:
 If you follow the kit's marked lines on the horizontal tail the angle will be wrong (guess how I found out). So I had to put a supplement of plastic at the roots of the stab halves and once dry re-angle:
 Decals for the inst. panels: 
 A few more details and it will be ready to go in:
 The kit has a very good plan, with abundant detail:
  Interior furnished:
 And all goes together:
 The wing-to-fuselage joint will need plenty of Milliput:
Since minor variations occurred between airframes, be sure to get photos of your intended subject.
In this case the faired headrest was absent, and an anti-roll mast was located between cockpits.
The windshields on my model will be curved as on the original plane, not faceted, therefore the kit's transparencies will not be used.

 The anti-roll mast is fashioned. Since in the plane I intend to model it has a different color than the rest of the area, it will be painted and added later:

Primer is applied:
Some bumpies are added:
The white base coat is applied, other parts are painted:
The engine needs a bit of separation from the firewall to clear the exhaust, so it is given a ring. The exhaust is made of soldering wire:
Whatever needs to remain white is masked off:
Using a combination of straight segments and curved masks traced with the help of a drawing template:
Red applied and prop painted black and polished aluminium:
Masks off and anding gear in place:
 Pitot and venturi in place:
 Engine in place:
 Propeller and turn-over spike in place:
Aileron and flap actuators in place, made of discarded photoetched "sprues":
 Walkways in place (matte grey decals):
The navigation lights:
 Nav. lights and windshields added:

To be continued....

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