Wich oil for gears?

[keroro]

Hi, what type of oil do you use for technic gears?

I often use svitol technic but i break a lot of pieces...i think it's not the best for the plastic...

[Zerobricks]

Silicon spray

[Korni]

I use "Feinmechaniköl"(Precision Engineering Oil) and fill it into a injection in order to better dose.

I think WD40 is good for the gears, too.

[Zerobricks]

I use "Feinmechaniköl"(Precision Engineering Oil) and fill it into a injection in order to better dose.

I think WD40 is good for the gears, too.

No, WD-40 melts plastic!

[keroro]

Ok thanks....

I am going to use a silicon oil.....

I've tried to use it:

But i've got a lot of failure, i think it damages the gears...

[88high]

I dont use oil on my gears, because its messy. I guess I am a pureist

[Burf2000]

I dont use oil on my gears, because its messy. I guess I am a pureist

Same here, well not a purest but messy. I might try it out on some of my pneumatic engines

[keroro]

I prefer use a little bit of oil with mid storms and the game with a lot of gears like 8043 e 8854...

[Tadej]

Never use any oil intended for metal parts, silicon oil is the only acceptable lubricant for lego gears.

[Crtlego]

I've never used oil with any of my legos but I feel like some silicon spray here and there might come in handy when building complex geartrains with the ridiculously-fast RC motors..

[KEvron]

i've heard lithium grease is a good lube for lego, but don't quote me on it. it's available at bike shops.

i tried graphite once.... once.

KEvron

Edited June 11, 2012 by KEvron

[keroro]

Ok i start testing lithium oil in 8043 e a silicon oil in 8294

[Brickthus]

LEGO gears are designed not to need lubricating. Better to use a lower friction geartrain, with 8, 16, 24 and 40-tooth cogs rather than worm, 12, 20 and 36. If you use silicone lubricant then the tiniest amount should do. Don't use anything intended for metal.

Pneumatic parts contain a kind of grease, for the purpose of sealing the piston against the cylinder wall. I think Teflon grease is the substitute for lithium greases, at least last time I bought some from a bike shop. Red Lithium grease was outlawed as carcinogenic. The cylinders and valves shouldn't need lubricating but it is sometimes useful to rotate a cylinder's piston as you extend and squeeze it, to ensure the grease is well spread around the cylinder. I wouldn't use anything but grease with pneumatics because you might remove the grease that's there already.

When I tried hooking up a drill to a LEGO axle at 10,000rpm it melted the axle and the beam. There is a theoretical maximum rpm for LEGO parts because of the heat generated by friction and the melting temperature of the plastics. It was 4000rpm with the 47154 9V motors, with little torque, so the speed reduced quickly. That's why high speed with significant torque is likely to result in melted parts.

I use the 5292 RC motors either geared down (lower speed) or in direct drive (lowest friction). Ideas I have conceived for high powered vehicles have the motors at the wheels and the low torque drivetrain back to the engine, not having the motor by the engine with friction losses through the geartrain to the wheels.

I have found GT85, a spray oil with Teflon beads, great for my bike, and for lubricating door and window locks and hinges but it would not do for LEGO.

Mark

[chorlton]

When I tried hooking up a drill to a LEGO axle at 10,000rpm it melted the axle and the beam.

You're having way more fun than I am!