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TR2/3/3A Removing scratches and scrapes fro the wind wings that screw to the windshield?

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It's a lot of work, but aircraft windshield polish will clean up minor scratches. Use aircraft windshield polish, not just cleaner. PJ
Such as,
AC Polishing compound.jpg
 
I used auto glass polish on the perspex in my 26 Chev and they came back like new try a small section first to make sure it doesn't make it look bad.

Graham
 
DavidApp said:
If you replace the plastic you will probable not be able to match the curve in the lower section of the wind wing.

David
Click to expand...
Sorry, I just assumed it was flat, like the Earth.
 
There is a product made by Novus for this specific purpose. Their website link: > Restore Faded Plastic, Plastic Restorer | NOVUS Plastic Polish <

From my experience (I owned a plastics fabrication company). Restoring plastics is not an easy job. We kept Novus around, but it only worked on very superficial scratches.
IMG_4867.jpeg
One other thing... acrylic plexiglas can craze. It is that crazing which makes it virtually impossible to restore. Get a magnifying glass or thick glasses and look carefully at the surface. If you see very very fine cracks under the surface of the plastic then the restoring the wing is a lost cause.

The most common reason crazing occurs on plexiglas acrylic is because it was cleaned with windex or some other ammonia-containing liquid.

It is possible to make a new piece. If you want to know how to do that I will tell you. Just let me know. It may be a project you would enjoy doing. In truth, the time and effort it will take you may not compare with just buying a new wing.
 
Is there any truth to the old tale, of using toothpaste, or auto rubbing compound, to polish clear plastic, like headlamp covers?
 
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car polishing compound works well on plastics, I use ÂŁarecla G3, ÂŁinnishing oÂŁ with G10.
Best done with small a polishing mop,
 
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