Sunday, November 29, 2009
12-tooth gears are used inside LEGO Technic differentials, which may not resist to high torque applications. These gears may easily break-down under load conditions, e.g. when XL motors are directly applied to them, at full power and something blocks the differential body.
This setup doesn't use any thin and fragile elements, which makes it a lot more resistant to load applications. Perhaps very large scale vehicles or high speed concept buggies, could benefit from such a large diff.
In this setup it is used the top side (or ouside) part, from a disassembled Large Technic Turntable, Type 2.
You may find additional photos at sunsky Flickr stream, but guess is already doing something where to apply this.
Interesting experimental setup!
Sunsky made afterwards some modifications to his HDD, trying to achive also something similar to a Limited Slip Differential (LSD) .
The first attempt however, had some undesired wearing effects at some parts, which were reduced at the 2nd design. This last one may also have adjustable friction if adding a second of those white 1x3 thin liftarms.
Take a look at these, on the photos below.
Almost at the same time there was another HDD being developed. This one by Alex Zorko (nicjasno), for his Mustang.
Bellow some of his pictures.
You may find a lot more, directly from Alex's website (www.nicjasno.com).
I found it really brilliant the usage of such old red g9 gears used in Gears Sets from my youth (ya, I'm getting old...) into the transmission attached to this differential, as one solution to increase its robustness for high torque and load stress situations.
Last Update: 2009.Dec.06 02:04 CET
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