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Old 04-09-2011, 06:00 PM   #35
stringertom
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Cool Feedback on Tornado vs. Hyperion as Cross-string for Nattie Gut

I finally got a chance to string up a couple of frames for playtesting Signum Pro's two Blackline polys as part of a nattie gut/poly hybrid.

First, the background facts: I play Head YTPP, six months of year in FL winters @ 56/54#. When warmer weather comes, I boost tension by one pound each way per 10 degrees above 70F. I had recently strung a frame (3/23) @ 57/55 with Bow Champ. 16 gut/Tornado 17. My Beers ERT 1000 tensometer reading was 64 units with a dynamic tension of 39. Overnight, before play, the stringbed had settled to 61 units with DT of 38.

I strung a second frame subbing Hyperion 17 for the Tornado 17. I also boosted tension to 59/57, due to warmer weather and a reasonable expectation the smooth poly would not "grab" the gut a la Tornado and retain tension as well.

I also strung a third frame with another smooth poly I'm considering stocking: Tecnifibre X-Code 17. My experience with the X-Code led me to believe a little extra tension was in order so it was done @ 60/58.

The next day (4/4), my readings confirmed my hunches. In fact, over the next 3 days (approx. 6 hrs. play per frame) the stringbeds settled in to within 5% of each other. Even the older, lower-tensioned gut/Tornado had high 50's unit readings and mid-30's DT #s. The texture and the extra extrusion process makes the Tornado stabilize better and longer.

All of the above is data-oriented. Here's the non-scientific scoop: I love the Tornado's feel vs. either of the smooth polys. The extra spin on serves is visually noticeable. The ability to drop a hard-hit service return near the baseline is very common and the sweetspot responsiveness on volley exchanges at net in doubles is astounding. I enjoy all three set-ups but the Tornado is #1 and the Hyperion comes in as 2A with the X-Code a close 2B. Both the "smoothies" are a little more "mellow" on off-center hits and pocket well on touch shots.

The oddest unscientific reaction I have about the experiment is the "ping" test. Despite a slightly lower current reading on my tensometer, the Tornado bed has a slightly higher pitch when "pinged". I did a double-take on my last readings because of this. While they are within that 5% range of each other, the Tornado bed is reading the lowest (as it should from more play & more time in and lower setting), it actually sounds tighter. Odd, eh?

I will continue reporting if any express interest in the next weeks. This thread has "deadened" since I offered feedback, so if you're interested, please let me know.
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