Got my V4 a few days ago and used it a dozen of time with a loading size from an half grain of rice to 2 grains of rice with success but, if the taste is perfectly clean on the first hit it is depleted after like expected with this sort of "e-nail" so the smaller the load is better for taste imo but you can load more for huge effects.
My cup is woobly and even turn when I wipe it... though the connection seems good since it works like advertised, 5s preheat to get at +400°F and press button again to start another cycle of 10s while hitting the device, good taste and smooth clouds at exhale at 480-490, a bit harsher at +500 but less remainings. I use it in Ni mode at 33w like Matt recommand, I'm not very good with mod box so I went for the easier way with great success, thank you
@divinetribe , this one will see more use than the Quartz Quest cause the faster heating and the more predictable hits, with the QQ you never know if you'll get a perfect hit or no... maybe cause I didn't used it enough so I ended to use it exclusively with a water tool and silicone whips connection to be able to master everything cause I visualized the vapor production, with the V4 direct dry hits are not an issue and easy to manage.
The metal drip tip fits very well a 14mm female joint but I add a tiny o-ring for a tight fit.