translation.en: Now also being engineering scientists, we were able to quantify the performance benefits of the Leveraged Freedom Chair, so here are some shots of our trial in Guatemala where we tested the LFC on village terrain, and tested people's biomechanical outputs, their oxygen consumption, how fast they go, both in their regular wheelchairs and using the LFC, and we found that the LFC is about 80 percent faster going on these terrains than a normal wheelchair.
translation.zh: 同时作为工程科学家 我们可以量化杠杆化自由轮椅的表现 这是几张我们在瓜地马拉做试验的照片 我们在农村里测试杠杆是轮椅 也测量人们的生物力学产出 氧气消耗量，进行速度 及他们推动轮椅所消耗的力量 与一般轮椅以及杠杆式轮椅比较 我们发现在这些环境里 杠杆式轮椅比起一般轮椅快了百分之八十