transmitter parts

[KEVIN DUGUIDParticipant @kevinduguid52417]

been repairing a old transmitter futaba attck sr , not sure what the bits would be called that the batteries touch on ,the silver tab bits is it possible to get more of these?

[KEVIN DUGUIDParticipant @kevinduguid52417]

[KEVIN DUGUIDParticipant @kevinduguid52417]

the tabs or tag

[Charles OatesParticipant @charlesoates31738]

Hi Kevin, you might try looking in charity shops for something you can remove the tags from. I don't know of a supplier who has them, but an email to component shop may provide a lead. Good luck.

Chas.

[Dave MilbournParticipant @davemilbourn48782]

Kevin

That Tx has been obsolete for a very long time and you'll be incredibly lucky to find any spare parts in a model shop. I would imagine that Ripmax were the importers. Your options would seem to be either trying to find a dead Tx which you can buy or scrounge for spares (E-Bay and the Model Boat Mayhem forum are good places to try) or replacing the whole battery tray and contact strips with a made-up NiMH pack. This will require a bit of surgery to remove those plastic upstands between the contacts in order to fit the new pack (which will have a wire across each end, under the shrink-wrap). Alternatively Component Shop could make up a pack of 8 x AAA cells which would easily fit loose inside the battery cavity, but you'd need to arrange for a suitable connector to the internal on/off switch. You might also consider that the job isn't worth the price of a new pack.

Dave M

[Dodgy Geezer 1Participant @dodgygeezer1]

I have ‘mended’ a badly corroded contact before by:
– removing from the plastic housing
– scrubbing clean
– covering with plumbers acid flux and running solder all over it…

[Paul TParticipant @pault84577]

Kevin

Its a simple fix and I am surprised that my fellow modellers haven't suggested it.

You don't have to take the Tx apart just get hold of a fine grade emery board (such as used by ladies to sharpen their nails) and gently rub the black marks off the tabs. It only takes a couple of minutes and the tabs will be almost as good as new.

If you can't locate an emery board a piece of fine grade wet&dry paper will do the job just as well.

Paul

[Charles OatesParticipant @charlesoates31738]

Hi Paul, I didn't mention it because when it tried that I soon ended up with a build up of corrosion again. A little wd40 helped, but not for long. My abrasive cleaning had removed the protective chrome plating. At least 1 tag in Kevin's TX looks to be partly corroded away.

Chas.

Edited By Charles Oates on 27/08/2016 16:00:51

[Dodgy Geezer 1Participant @dodgygeezer1]

Ah, Paul, once corroded the tags tend to rust again quite quickly. You can smear them with oil or vaseline, but I find that solder is much more corrosion-resistant…

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