Originally Posted by
tcmerf
I actually thought this looked like a really cool idea. If you are not familiar with 1/8 scale off road you can do a lot of tuning with the oil in the diff. They are working on a front one as well. It would be like having a very forgiving spool. As far as the weight goes i bet a one way weighs more
To make a gear diff that will last and that seals well enough to contain oil it would be VERY heavy. The smallest oil/gear diff in in the Xray NT1 nitro sedan. It is awesome but it is heavier than a ball diff. Ball diffs are super light and when built properly last a super long time.