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Rubber lubrication

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Julian Murch25/01/2020 17:26:59
43 forum posts
2 photos

I am nearing completion of a Guillows Spitfire which is rubber powered. This is an old kit probably bought about 10 years ago but the rubber seems OK. What should I use to lubricate the rubber.

brokenenglish25/01/2020 17:38:33
491 forum posts
30 photos

Castor oil. But arrange the motor and knot the rubber before lubricating. You won't be able to knot the rubber post-lubrication!

Many ancient rubber competition flyers (me!) also used a mixture of soft soap and glycerine but, retrospectively, I don't believe this offers any advantage over just castor oil.

Finally, go easy! When you wind the motor and "compress" the rubber, any excess lubricant will be expelled to the outer surface of the motor, and when the motor unwinds, it will liberally spray the inside of the fuselage! So just rub a little castor oil onto the motor with your fingers. Don't pour it on!!!

PatMc25/01/2020 17:41:14
4297 forum posts
524 photos

I've used silicone grease on rubber powered indoor models. It's possible to buy it in small tubes, economical if you only need small quantities. Try Wilco or Halfords etc - bike odds & ends area.

Doc Marten25/01/2020 21:58:18
398 forum posts
4 photos

Glycerin is another rubber preserver.

3 replies, 3 different answers, the beauty of forums eh? 😁

john stones 125/01/2020 22:14:20
10876 forum posts
1490 photos

PTFE spray, used to lubricate pole elastic when fishing, among various other uses.

Former Member26/01/2020 01:55:48
3578 forum posts

[This posting has been removed]

Julian Murch26/01/2020 09:43:06
43 forum posts
2 photos

Thanks for all the replies here. I have already knotted the ends having seen that advice elsewhere !!

Denis Watkins26/01/2020 10:45:30
4082 forum posts
77 photos

All the bits you need here, thevintagemodelcompany


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