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December 1978 - Page 11


P ROTOTYPE MOD E L E R - DECEMB E R 1 978

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C&S 821 at Denver, Colorado, in August of 1977. The unit has lost its Mars ligh t though the bracket remains. Its "firecracker" radio antenna has been replaced with a blade type and a rotary beacon has been added to the cab roof. The majority of the C&S Jim Sandrin photo. units had the circular vent on the cab roof as shown here.

probably available through your loclil hobby shop or from one of the larger mail order establishments. It is recommended to start with an un painted shell and first off wash it in hot water with a little detergent added. This will remove some of the static electricity and the mold release agent left on from the factory. Scrubbing the shell with an old tooth brush and some kitchen cleanser, such as Ajax, will dull the plastic slightly and make sanding a bit easier as detail is better seen . Rinse the shell in hot water with a little detergent after all sanding is completed. Single-edge razor blades and Exacto No. 17 blades are the most useful tools for removing material from the shell. No. 400 or No. 500 grit wet-or-dry sandpaper is used to wet sand the reworked areas and to remove all tool marks. One. Sllecial tool that helps is made from a 3/64" drill bit which was ground down to a chisel shape. This is very handy for removing material in close quarters such as removing the end ladders and pre serving the round inspection hatches on the nose and rear.

Figure

1

For assembly , Testor's liquid cement for styrene-to-styrene joints is good. PIas truct's Plastic-Weld is very good for styrene -to-plexiglass (or ABS) joints as when fab ricating the aU-weather window boxes for this model. Buy a good quality camel's hair brush, either 00 or ODD, for applying the cement. This may seem like a rather expensive way to apply cement, but no other method is superior for neatness and controlling the flow of cement onto the model.
BODY MOD I F ICATIONS

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--1.1-t-- 1 6"

End Ladder

removed from the nose: vents and radio antenna on the roof and grab irons on the end. The end ladders should be removed to make painting and lettering simpler; take care to preserve the kick plates and circular inspection plates while removing the ladders. . Remove the square base of the horn on the cab roof and fill the hole with putty. If your unit is to have all-weather windows, remove all detail from the side of the cab,

The following cast-on details should be

Figure

2 Winterization Hatch

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