Thanks TW for including me in this playtest! I received the string and shirt yesterday and strung the racket today.
My normal setup is Solinco Tour Bite 18 at 48 lbs in an APDGT+.
First impressions from stringing the test string in a full best at 48: holy coil memory, Batman! This string was definitely more unruly than TB18. It reminded me of metal wire in that I could bend the string at an angle and it would stay at that angle.
My racket with the full bed of TB18 weighed 321g. After stringing the same racket with the 4G, the racket weighed 324g.
I'm getting out to hit with a couple buddies tomorrow, I will post playing impressions after that.
2013 APD+, 5g @ 3 and 9, 16g of Elmer's Tack in buttcap. 340g strung with OG and O damp.