User contributions for Technician1002

31 July 2009

• 18:4418:44, 31 July 2009 diff hist +75 Piston valve →O-Ring Considerations on a Piston Valve
• 18:4218:42, 31 July 2009 diff hist +161 N File:123 floatingpneumatic.jpg Source: RL Hudson O-Ring Design & Materials Guide. Used with permission. Forces on a floating o ring that cause it to seal against the piston and cylinder wall. current
• 01:1101:11, 31 July 2009 diff hist −46 m Piston valve →O-Ring Considerations on a Piston Valve
• 01:1001:10, 31 July 2009 diff hist +168 m Piston valve →O-Ring Considerations on a Piston Valve
• 01:0901:09, 31 July 2009 diff hist +116 N File:Float pressure.jpg Pressure on the o ring forces it against the cylinder wall and the side of the piston groove providing a tight seal. current

29 July 2009

• 02:4002:40, 29 July 2009 diff hist +51 Quick Dump Valve →The Quick Dump Valve
• 02:2802:28, 29 July 2009 diff hist +84 Quick Dump Valve →The Quick Dump Valve
• 02:2302:23, 29 July 2009 diff hist +24 Piston valve →1:1 Ratio or QDV

23 July 2009

• 12:1212:12, 23 July 2009 diff hist +71 Quick Dump Valve →The Quick Dump Valve
• 12:1012:10, 23 July 2009 diff hist +111 m Quick Dump Valve →The Quick Dump Valve
• 12:0512:05, 23 July 2009 diff hist +9 m Quick Dump Valve →The Quick Dump Valve
• 12:0312:03, 23 July 2009 diff hist +231 m Quick Dump Valve →The Quick Dump Valve
• 11:5611:56, 23 July 2009 diff hist +174 Quick Dump Valve →The Quick Dump Valve
• 11:5411:54, 23 July 2009 diff hist +36 N File:Split1a.JPG 2X4 split with a couple jawbreakers. current
• 11:4511:45, 23 July 2009 diff hist 0 m Quick Dump Valve →The Quick Dump Valve
• 11:4411:44, 23 July 2009 diff hist +719 Quick Dump Valve →The Quick Dump Valve
• 11:3611:36, 23 July 2009 diff hist +127 m Quick Dump Valve →The Quick Dump Valve
• 11:3311:33, 23 July 2009 diff hist +227 Quick Dump Valve →The Quick Dump Valve
• 11:2911:29, 23 July 2009 diff hist +85 m Quick Dump Valve →The Quick Dump Valve
• 11:2411:24, 23 July 2009 diff hist +2,120 Quick Dump Valve →The Quick Dump Valve
• 11:2311:23, 23 July 2009 diff hist +47 N File:Tennis ball barrel1.jpg Marshmallow Cannon with the Tennis Ball barrel. current
• 11:1911:19, 23 July 2009 diff hist +43 N File:WikiTankEnd.jpg View in the valve outlet showing the ports. current
• 11:1711:17, 23 July 2009 diff hist +68 N File:WikiVavleCoreAssy.jpg The valve core assembly pulls out for easy servicing of the o rings. current
• 11:1411:14, 23 July 2009 diff hist +35 N File:WikiTank.jpg The chamber and valve body assembly current
• 10:4510:45, 23 July 2009 diff hist +1,680 Quick Dump Valve →The Quick Dump Valve Page under construction July 2009
• 10:4210:42, 23 July 2009 diff hist +53 N File:CoreDetail.JPG Valve core with pull rope and impact absorbing bumper current
• 10:4010:40, 23 July 2009 diff hist +54 N File:ValvePorts1.JPG Valve ports are cut into the barrel inside the chamber current
• 10:3410:34, 23 July 2009 diff hist +32 N File:WikiOverview.jpg Overall view of the Apple Cannon current
• 01:0801:08, 23 July 2009 diff hist +34 m Quick Dump Valve →The Quick Dump Valve
• 01:0701:07, 23 July 2009 diff hist +106 Piston valve →1:1 Ratio or QDV
• 01:0501:05, 23 July 2009 diff hist +1,699 N Quick Dump Valve Initial page construction.

23 May 2009

• 18:4118:41, 23 May 2009 diff hist +524 m Piston valve →Large Ratio Piston Valve
• 18:3218:32, 23 May 2009 diff hist +116 Piston valve →1:1 Ratio or QDV
• 18:2918:29, 23 May 2009 diff hist +56 N File:Marshmallow cannon.jpg Assembled cannon with can damaged by a 1 inch jawbreaker current
• 18:2518:25, 23 May 2009 diff hist +65 Piston valve →1:1 Ratio or QDV
• 18:1818:18, 23 May 2009 diff hist +323 Piston valve →Small Ratio or QEV

14 May 2009

• 16:5616:56, 14 May 2009 diff hist +200 m Piston valve →Small Ratio or QEV
• 16:4916:49, 14 May 2009 diff hist +69 m Piston valve →O-Ring Considerations on a Piston Valve
• 16:4516:45, 14 May 2009 diff hist +148 m Diaphragm valve →Use current
• 16:4016:40, 14 May 2009 diff hist +3 m Piston valve →O-Ring Considerations on a Piston Valve
• 16:3816:38, 14 May 2009 diff hist +717 Piston valve →O-Ring Considerations on a Piston Valve
• 16:0816:08, 14 May 2009 diff hist +216 Piston valve →O-Ring Considerations on a Piston Valve
• 16:0716:07, 14 May 2009 diff hist +37 N File:Piston rings.jpg Floating piston rings on a QDV valve. current
• 15:5815:58, 14 May 2009 diff hist +1 m Piston valve →1:1 Ratio or QDV
• 15:5715:57, 14 May 2009 diff hist +315 Piston valve →1:1 Ratio or QDV
• 15:5615:56, 14 May 2009 diff hist +291 N File:QDV parts.JPG The quick dump valve has the piston OD the same size as the seat. It requires an external force to start it opening. It has no pilot pressure to hold it against a seat so it is often built with o rings on a piston. The valve cylinder can be built out o current
• 15:4615:46, 14 May 2009 diff hist +2 m Piston valve →Small Ratio or QEV
• 15:4615:46, 14 May 2009 diff hist +244 Piston valve →Small Ratio or QEV
• 15:4315:43, 14 May 2009 diff hist +27 Piston valve →Small Ratio or QEV
• 15:4015:40, 14 May 2009 diff hist +118 N File:MusketSeat.JPG A barrel sealing snap acting piston valve is characterized by a large seat in relation to the piston overall diameter. current