lubricating plastic hinges - RCCanada - Canada Radio Controlled Hobby Forum
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Old 07-22-2008, 08:12 AM   #1
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lubricating plastic hinges

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What do you use? I know some lubricants break down plastic.

Thanks in advance. George
I keep having the same mechanical problem. I've got a loose nut on the transmitter!

G-manz35 AKA. George St.Amant MAAC#75084
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Old 07-22-2008, 09:23 AM   #2
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Re: lubricating plastic hinges

Hi George,

I was taught way back to melt some vaseline and dip the hinge pin area into that, then I just wipe off the excess making sure to keep the glueing surface clean for good adhesion.

I use the tins from those cheap votive candles that you can buy at the dollar store to melt the vaseline (I use my hot air gun = Limited danger of a fire) and the container is just the right size for dipping. I only have the tin filled to about 3/16" deep so that it only coats the hinge area as I dip.

I've done it this way for 20+ years now and it works great.

Regards, John.
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Old 08-06-2008, 01:20 PM   #3
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Re: lubricating plastic hinges

This works for the DuBro, Klett and Robart hinges. If you're using CA (flat fabric) or the solid polyproplene (living) hinges, you don't need to prep them, just RTFM (read the fine manual or manufacturer's notes or website or the Harry Higley books).

Actualy, the HH books are always a good idea -- solid experience went into the books and the techniques work.

Hardest part of the whole exercise in ensuring that the slipts for the hinges are EXACTLY parallel (i.e., form s line when you sight along the training edge of the wing and leading endge of the flight surface.

Best thing to do is to pick a couple extra packs of hinges plus lots of strip wood, and spend an evening or two making the cuts and inserting the hinges.

Depending upon the glue, the amount of wood, its type, your skills, and possibly the position of sun, moon and major planets, you may have to pin the hinge to privide extra structural strength. Toothpicks are best, but read the HH books on this technique.

Have fun!
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