By the way Dan, it was fun to see both of you guys playing and having fun and this is a pretty solid review where you get an idea of what T80 does well and what it does not do as well.
There is a strange thing Dan, butterfly locate this product as faster then t05 but less spin. Also in the chart I found it very close to t25, so I am thinking if they maybe are going to cancel t25 from their offer and put instead t80. Even mizutani said that t80 is good because it is between t05 and t64, but he Did not mentioned t25 which is already there. The other thing is you mentioned surfing test that it is softer then t05 ( or maybe I wrongly understood) so it should be simillar to t05fx. The lat think I want to ask if you could compare t80 to calibra tour medium you just tested?
I think, because T80 is half way in between T64 and T05 Butterfly is comparing T80 to those two rubbers. These three rubbers all have the same size pips but the spacing is different. T05 the pips are closer together. T64 the pips are spaced further away. There was a request from some pros to have a rubber that was about half way between T64 and T05 and that is T80.
T25 the pips are a different size. They are much larger than T05, T64 or T80. This makes T25 the hardest of the 4. The only difference between these four rubbers is the pips. The sponge is the same. The rubber of the topsheet is the same. But the pips makes the rubbers have different properties. So T25 would be the one that feels hardest because of the size of the pips. T05 is the next hardest and this is because of the spacing of the pips: there are more pips per square inch in T05 than in T80 or T64. T80 the spacing of the pips is further apart than T05 but closer than T64. But in T05, T80 and T64 the pips are the same size.
You can see a graphic that shows this at 5.51 of Dan's video. He got that graphic from the video in this review of T80:
http://www.tabletennisdaily.co.uk/f...w-Tenergy-80-(video)&highlight=Tenergy+review
In Cheli's review the graphic is explained much more fully.
So, T80 is not really like T05 FX. T05 FX has the same pip configuration as T05 but the sponge is softer. The FX sponge is a different durometer than the regular Tenergy sponge. Whereas, the sponge in T05, T80 and T64 is all the same exact sponge.
In Dan's video where he shows that graphic he says the sponge is softer in T80. What he means is that T80 has a softer feel. But, in reality, that is because of the pips configuration not the sponge. Where, T05 FX and T64 FX have softer sponge than the regular Tenergy series rubbers. I assume that, soon there will be a T80 FX as well.
I believe there are enough people who buy T25 that Butterfly will continue to make it. It is a pretty good rubber too. And for those who like a harder rubber, it is harder than any of the other Tenergy rubbers.
