Tip & How-To about Sport & Outdoor - Others

Get scratches out of plastic shooting goggle lenses

After a lot of use plastic goggles tend to start to show signs of ware and tear by getting scratched up, making shooting practice very difficult if you can't see through them. The good news is that there are a few things that you can try to make minor scratches less noticeable.

The first thing to be aware of before trying any of the methods in this tip is to make sure that your lenses do not have a non-reflective coating. If they do then trying anything listed here will damage the lenses.

Using a wood cleaner in the spray bottle you just spray a little on to the plastic lenses, wipe them off and apply a spray petroleum jelly and wipe it off. The jelly works to fill in the scratches so they are less noticeable.

The cleaning sprays for DVDs and other disks can be used for buffing out scratches in plastic lenses. All you have to do is spray the lenses and then wipe it off.

There are a few household items that you can use to buff out scratches if you don't want to go out and buy a lens cleaner. You can rub a non-abrasive toothpaste on the lens with a cotton ball in small circular motions. Once you have covered all the scratches use cold water to rinse the paste off. If the scratches are deep then you will have to repeat this a few more times.

Mixing baking soda with water to make a paste you can rub it on the lens just like the toothpaste and when you think that the scratch is gone rinse off the paste. If its still there reapply the paste and try again.

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Need instructions on how to replace transmission

Hi David.

Getting the actual instructions for a transmission replacement is way over what messages here can convey.

That said, i've replaced a few in times past, and if you're going the DIY route, I've been very happy with the repair manuals done by Haynes (it's what I used on my old Saab for three different tranny swaps - the process worked, I just was a poor student buying wrecking yard transmissions).
Haynes is the information resource for the DIY enthusiast The specific manual is here
Do It Yourself DIY Repair Manual from Haynes and at $20 for a print manual, it'll make back it's cost in no time. They're based on complete tear downs and rebuilds of cars, so the manuals tend to have a lot of practical advice about where you need a helper, when you need some weird collection of u-joints to get your socket on something, and the kind of tools you'll need for the job.

Good Luck to you

Dec 02, 2015 | 2010 Chevrolet Malibu

2 Answers

how can i repair scratches on a plastic caravan window

Plastic polish comes in a variety of grits to help buff out scratches in a wide variety of plastics. Novus is a popular brand; their stuff comes in 3 grades: #1 for very fine scratches, #2 for moderate scratches, and #3 for deep / rugged scratches. I generally use #2 polish; #3 polish leaves smaller scratches behind that must be buffed out using #2 polish. Auto repair shops also sell plastic polishes. You might also be able to use automotive rubbing compound, if you don't have access to plastic polish. In a pinch, you can also use traditional white toothpaste, as it contains mild grit (that's how your teeth get polished, after all). Note that toothpaste may also leave behind small scratches.

In terms of hardware, some people use a rotary buffer (like you'd use with car wax) to apply the polishing compound. I have tended to leave swirl marks when I use one. Some people use a Dremel rotary tool, but the super-fast rotational speed can melt/burn the plastic if you apply too much pressure. I prefer to use a soft, all-cotton cloth (an old washcloth or tube sock turned inside out works well), with a dab of polish on it. For straight line linear scratches, I generally run the polish along the scratch to lift out any paint, etc, and to soften the walls of the scratch. This alone usually makes the scratch a lot less visible. However, to finish the buffing, it's good to polish in a circular motion to feather the areas immediately surrounding the scratch into the scratch area.

Some plastics are tougher to polish than others. Super-hardened plastics and some polycarbonates will not clear up using these methods. Most, however, will at least look better after you've done a bit of polishing, even if the scratches don't completely disappear.

May 11, 2011 | Watches

1 Answer

Hi - When I insert a gaming or music disk into my PS3 it makes a noise as if it wants to eject the disk again. This either happens or otherwise it wont recognize that a disk has been inserted. This problem has just start happening. I have recently taken my PS3 to a mates place and back home again. Could transporting it have caused this problem? Hope you can help. Luke

Hello, It's possibly lens calibration problem, sometimes that happens when there's a lot of sudden movements during transportation, sometimes the use of scratched disks tend to trigger the Error correction algorithm of the PS3 reader, putting the reading lens into a lot of stress that heats up the EC chip and games are not read properly, causing the game to fail loading and making unusual sounds.
I recommend not to use scratched disks, try to use only PS3 game disks only to extend your console's life, and take good care of all your disks, keep them clean.
The thing is as technology improves Disks format changes to put more information into a single disk, and precision looking for data is more critical as data sectors are closer to each other, so scratched or dirty media tends to return errors.
Hope I helped, and try to seek some professional help on calibrating/substituting your old reader.

Apr 28, 2011 | Computers & Internet

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