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Date: Sat, 27 Oct 2001 15:16:45 GMT
From: Bruce Bergman <blCHURRObergmannopsamhlink.net>
Subject: Re: Does anyone use synthetic oils?
On Sat, 27 Oct 2001 00:38:21 GMT, Eric Dreher <epdrehernopsam.com>
wrote:
>On Fri, 26 Oct 2001 18:35:57 -0600, "maf" <mfeldmannopsamt.net> wrote:
>
>>"Just Bob" <uctraingnopsamanet.com> wrote in message
>>news:17pjtts63bjeo0pl7koupu2bl8fns8ik2lnopsamcom...
>>> On Fri, 26 Oct 2001 07:20:36 -0600, "maf" <mfeldmannopsamt.net> wrote:
>>> >Even the Space Shuttle uses Mobil 1.
>>>
>>> I knew NASA was cutting back, but did they really install an
>>> internal combustion engine in the Shuttle ?
>>> --
>>> Bob
>>> United We Stand
>>
>>Well Bob, if you don't think that combustion takes place when the fuel
>>ignites on the space shuttle engines, then why don't you stand underneath
>>the next launch vehicle when it lifts off.
>
>Not to belabor the point, but that isn't internal combustion.
>
>As far as Mobil 1 being used in the shuttle, I suspect there are
>items other than the engine that need to be lubricated.
I haven't checked it out, but there are probably many places where a
liquid lubricant are needed on the Space Shuttles, things like
gearboxes for the rudder and opening the cargo bay doors, etc.
Anywhere metal moves against metal.
And the Shuttles (or any space application) can benefit from the
stability of synthetic lubes in vacuum and at /very/ extreme
temperatures. So that's why there are a bunch of places that they use
Mobil1 lubricants.
How about the wheel bearings on the landing gear? (Some heavy
trucks are using oil in their wheel bearings instead of grease, look
for the ones with a little plastic window on the 'grease cap' to check
the oil level, and a drain plug on the side of the hub for servicing.)
If you have a gear reduction box attached to a motor, the gears have
to be lubricated somehow, whether by a liquid oil bath or a grease
bath. Mobil makes synthetic greases, ATF, gear oils, hydraulic
fluids, and other lubricants also. And NASA is well aware of it.
--<< Bruce >>--
--
Bruce L. Bergman Return to Main Index
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