FWIW I did a test to check for evaporation b/c I've never really known
how often to apply lube. So I took a strip of 1/4" rubber, weighed it,
lubed it and weighed it again. Then I put it away in a coin envelope.
This was a mistake b/c the envelope absorbed a good bit of the lube.
Anyway, here are the results (and remember the first big drop in weight
was mostly the lost lube that soaked into the envelope):
11/19 - unlubed rubber weight = 3.131g. lubed weight 3.167g
11/20 - 3.147g
11/21 - 3.148g
12/5 - 3.142g
I don't know where the lube goes but I suppose it has to be some form of
evaporation. I guess my plan will be like it always was - feel the
rubber and decide if it needs more lube.
On 12/5/2012 6:50 PM, Jake Palmer wrote:
>
> From what I can find, shock oils usually only go up to 800 cst. At
> 1000 cst they start calling it differential oil.
>
>
> And I tend to agree with Don regarding wicking out. The 5000 cst
> seems to stay on better than my evaporated Son of a Gun which is
> probably around 500-1000 cst. In practice though, I'm not sure how
> much difference it makes.
>
>
> On Wed, Dec 5, 2012 at 3:35 PM, Ken Achee <ken_at_achee.com
> <mailto:ken_at_achee.com>> wrote:
>
> Bill, is the 1000 viscosity thinner or thicker than the shock oil
> you were using?
>
>
>
> On Wed, Dec 5, 2012 at 1:33 PM, William Gowen <wdgowen_at_gmail.com
> <mailto:wdgowen_at_gmail.com>> wrote:
>
> I bought a pint of 1000 viscosity. I've only used it for some
> motor testing but it seems to work well.
>
> On 12/5/2012 2:12 PM, Warthodson_at_aol.com
> <mailto:Warthodson_at_aol.com> wrote:
>>
>> Based on recent discussions of rubber lube I have decided to
>> try some pure silicone oil. Of those of you on this list that
>> are actually using silicone what viscosity (cst) are you
>> using specifically for indoor free flight?
>> Gary
>
>
>
>
Received on Thu Dec 06 2012 - 05:17:31 CET
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