41. Daimler dropped poppet -valve engines altogether and kept their silent sleeve-valve engines until the mid-1930s. 42. The innovation trialled on # 5699 was its use of Caprotti valve gear, a poppet valve gear invented in Italy. 43. With no inlet pressure, the spring above the diaphragm pushes it down on the poppet valve, holding it open. 44. The other suspected sock poppets often use the word " cult " about Diamond Way Buddhism, despite no evidence whatsoever. 45. The ball lock valves may be unscrewed using wrenches to allow further cleaning or replacement of O-rings or poppet valves. 46. James Watt was using poppet valves to control the flow of steam into the cylinders of his beam engines in the 1770s. 47. Intake and exhaust poppet valves could be moved and controlled independently of each other, allowing for better control of the cycle. 48. These Pave a stacked-tube construction, built around a poppet valve, that is opened when struck by a force. 49. :: : : : : Well, nice to know that some users are allowed to create sock poppets on wiki. 50. Other users already said this is his IP sock poppet . talk ) 18 : 20, 11 November 2009 ( UTC)