Resto question -- Cleaning plastic parts

[Twmaster]

While looking over this Supershot I see some of the plastic bits are kinda dirty but otherwise in very good shape, most notably the yellow plastic shocks look quite cruddy. Is there a safe way to remove the grime while not hariming the plastics??

Has anyone used an ultrasonic cleaner?

[retro]

Do you mean that the plastic is discoloured rather than just you normal dirt that comes off with soap and a toothbrush?

A lot of plastics can become stained over time, so the oil/dirt/whatever actually soaks into the plastic instead of just sitting on top of it. Unfortunately there is no known cure (though in some cases you could probably sand off the top surface of the plastic.

If you have access to a proper ultrasonic cleaner you should definately give it a try. They really are pretty amazing, and shouldn't harm any r/c bits in any way. I believe you can even buy cheap (relatively) hobby type ones now, though they're pretty small and I have no idea how effective they are comparet to industrial ones. Should be good for all those fiddly little parts with lots of nooks and crannies though.

[usapirap(2)]

Ultrasonic cleaners use wet type cleaning media. Alternatively and for dry cleaning, try a tumbler that ammo reloaders use to clean/polish shell casings.

[Twmaster]

Just dirt and grease. Not discolorations.

[SJoerD]

Did you try dishwashing soap? Usually works for me! [] (Yes sometimes it's a bit obvious... LOL )

[Twmaster]

I guess the point I am trying to make is there are some parts that have very fine lines and crevises in them and it is difficult to remove all of the dirt with towels and brushes. So, have other here used cleaners in spray form or as I asked earlier something like an ultrasonic cleaner.

Cheers,

[WillyChang]

Arsenel includes:-

old toothbrush

cotton buds

brush with stiff nylon bristles

nail brush

used in conjunction with:-

dishdrops

motor spray

WD40

shellite (petroleum spirit)

Would love a ultrasonic cleaner too... eventually. []

Believe Ride or Eagle or one of those Jap RC hopup fellas

made a small portable battery-operated one too.