Am i wrong about gear lube. I have tried thicker lubes an even grease in my diffs,an all i achieve is more heet. Which causes problems with everything from esc to batteries to the motor. Is probably why arrma under fills an uses lighter lube.
Heavier the viscosity = more resistance = more heet.
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Not sure
Gear lube is not the same as diff fluid. Gear lubes primary function is to helps the gear teeth slide across each other. Diff fluids primary function is to control / limit the speed the gears inside the diff can spin.
If you assume the same diff gear speed, then yes, thicker fluid will generate a lot of heat. But in reality, thicker fluid slows the diff action down, so the gears spin LESS so there is less heat.
Gear lube on the ring and pinion, yes, too thick of grease can slow things down, add heat to the motor.
Arrma uses thinner fluid in the diff because that makes the truck turn better / better handling. Bashers often like thicker fluid, because that will put more power to the ground.
If you assume the same diff gear speed, then yes, thicker fluid will generate a lot of heat. But in reality, thicker fluid slows the diff action down, so the gears spin LESS so there is less heat.
Gear lube on the ring and pinion, yes, too thick of grease can slow things down, add heat to the motor.
Arrma uses thinner fluid in the diff because that makes the truck turn better / better handling. Bashers often like thicker fluid, because that will put more power to the ground.
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+1 on what is said above by @Jerry-rigged
When the differential fluid is thicker it will reduce the rotations inside the differential and thus reduce heat. It will act more like a locked diff as you get to fluids like 500k and above.
When the differential fluid is thicker it will reduce the rotations inside the differential and thus reduce heat. It will act more like a locked diff as you get to fluids like 500k and above.
Also helps avoid having the front tires blow out due to the center diff unloading with light lube for those of us with itchy trigger fingers. I try to adjust my center weight to something that allows me to run hard throttle without instant wheelies in the grass. As for front/rear, I just use thicker (50-100k) so it's less likely to leak out, since I don't care much about turning ability... The only turning I do is to slow down, turn around, then hit a jump again. For track running, you would want to care a lot more to aid in straight line power and turning ability which oil weights adjust.
