Quote:
Originally Posted by Cothron Theiss
Yes, the GT belt profile is trademarked. (GT stands for "Gates Tooth," so they made sure everyone would know who came up with it.) This means that Vex cannot produce ACTUAL GT belts or profiles. But there is nothing against measuring the belt teeth and coming up with a very very close approximation to the GT profile. So if you look at WCP's page on the GT2 belts and pulleys they sell, they refer to it as "GT2 compatible profile." I assume that this is just a legal workaround to use the GT profile.
And yes, I believe that GT (3mm) belts can be used with HTD (3mm) pulleys, and if I recall correctly, it performs about as well as HTD with HTD.
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Pretty much,the belts are not produced by Gates and the profile is not the same as the GT2 or GT3 profile by gates, it slightly different. Will be putting up test data over the next few months to compare the profile we sell vs Gates GT2/G3.
The only thing I am learning from this thread is the difference between who is arrogant enough to objectify their own interpretations and who is wise enough to question their own interpretations. - Michael Corsetto [more] 
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