Once upon a time there were no one-step coverings for model airplanes. The taut, shiny finish and often the color you chose for your model came in a can. The covering material may have appeared across the hobby shop counter in a roll, but that's as close as it came to the pre-finished, heat activated products we all know about today. Covering was either paper or cloth…tissue, in the case of most small models and occasionally silk for the bigger jobs, if you could afford it. Many of the kits you'd find on the hobby shop shelves… larger rubber powered jobs with wingspans of perhaps three feet or more, and nearly all the gas jobs, freeflight and control line alike, came with the covering already included in the box. What you got with those kits was a kind of paper called silk-span.
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