Which grease for control linkages?

[boguing]

I'm reassembling a complex throttle quadrant (tls, flaps, speedbrake etc) and would much appreciate tips for a grease type.

I am not a LAME and this is not for flight. Knowing little of grease specs I'd like to use something made for a long life over any other property. Ideally one that I can buy in a motor spares shop.

Many thanks in advance.

[onetrack]

A molybdenum disulphide based lubricant is excellent in this application because of its superior dry lubricating qualities.

http://www.jetlubecanada.com/tds/MolyMist.pdf

https://us.vwr.com/stibo/hi_res/std.lang.all/96/78/8119678.pdf

[boguing]

Excellent, thanks onetrack.

Quick coffee and off into town to see what they've got.

[boguing]

How d'you stop all conversation in a car spares retailer?

Correctly pronounced, molybdenum disulphide seems to work.

Think I'll be buying online.

[onetrack]

You should never use big words on parts salespeople. Employers usually pick the people with the minimal amount of skills for that job.
The MoS2 dry lube is often available in automotive suppliers in pressurised cans as a spray-on dry lubricant for doorlocks and cables.
You don't have to specifically use Moly-Mist, I just pulled up that site link because it was informative, and their product appeared to fill the bill nicely.
It's a sad fact of life that often an informative website shows a useful product, that no-one stocks locally.

[dubbleyew eight]

a grease is a grease is a grease.

what sets a grease apart as suitable in aircraft is that it doesn't become solid when frozen.

personally I have not found aviation grease to be that special.

following a recommendation from an old aviator on my airfield I have been using water resistant boat bearing grease on my aircraft for over 10 years now.
I've never had a problem with it and since adopting it I haven't had a taper roller bearing develop any corrosion.

the water resistant marine grease has the advantage that is comes in smaller packages and there is less wasted grease.

if you want a molly disulphide dust. in australia a good item is PowerPlus graphite powder. it comes in a 35 gram plastic squeeze bottle.
I've used that when lubricating my vacuum pump carbon vanes after a washout for years now with no problems.

[cockney steve]

if you want a molly disulphide dust. in australia a good item is PowerPlus graphite powder. it comes in a 35 gram plastic squeeze bottle.
Isn't that rather like saying, "if you want a drink of Champagne, buy a bottle of beer" ?
Graphite, IIRC, is a mined substance which is in the form of minute flakes which slide over each other It is excellent for locks, as there is no stickiness to attract dirt, absorb moisture or congeal. AFAIK, Moly Disulphide is a synthetic product of the specialised chemical industry.

To the OP...."Any black Moly-grease?" is the question in a car-accessory-shop.

An alternative would be to use Copper-grease...this is ordinary Lithium grease ,mixed with lots of copper powder...the copper crushes into the surfaces in intimate contact and provides a low-friction surface which doesn't freeze solid with rust ;)
Good engineers' merchants and heavy goods/ plant and equipment spares factors are another source of Ms2 (Moly) grease.

[boguing]

Had a bit of a read last night and am now back from the car spares shop (again). I bought some CV joint grease which is Moly and Lithium padded. Why buy grease with one added metal when you can have a grease with two? £5.14 for 500g.

I recently changed a twenty year old half shaft and cv joint, and was actually surprised at how 'wet' the grease still was by comparison with all the hundreds of old bearings I've played with in the past.

This is the fourth tub of grease on my bench so I'm hoping that they're like tools. He who dies with most etc.. Naturally, one of the others is copper grease, as suggested by cockney steve but I didn't read his post until I got home.

Thanks to all of you, my reversers and speedbrake will now keep me out of trouble for many years.

[onetrack]

boguing - Good to hear you scored a satisfactory product. MoS2 is not a synthetic product, nor is it a product of the chemical industry.

MoS2 is a silvery black solid that occurs as the mineral molybdenite, the principal ore for molybdenum.
MoS2 has been in use as a lubricant since the early 1900's and it's noted for its ability to continue to lubricate when dry - long after any of the metallic soaps that make up the major constituent of grease, have dried out.

Graphite has similar lube qualities to MoS2 - but MoS2 is far superior in conditions where dry lube is needed.

CV joint lube has to endure some serious levels of lube requirements, and it's a highly satisfactory choice for most heavy-duty lube positions.

However, in positions where sand, dust and mud are thrown directly into the lubricated area, the dry spray MoS2 lube is a far better choice - because there's no grease to collect and hold the abrasive particles that abound in sand, dust, and mud.

When grease collects and hold these abrasive particles, a grinding paste is effectively formed, until the grease dries out and releases them.