User contributions for Technician1002

29 May 2011

• 01:1201:12, 29 May 2011 diff hist −55 m Chronograph Photo size fixed current
• 01:1101:11, 29 May 2011 diff hist 0 File:Musket discharge 799.png uploaded a new version of "File:Musket discharge 799.png": Audacity screenshot showing pre discharge pilot hiss. The downward swing is the main muzzle blast pressure wave. current
• 01:0601:06, 29 May 2011 diff hist 0 File:Tumblecomposite.jpg uploaded a new version of "File:Tumblecomposite.jpg": Composite photo from high speed video current
• 00:4100:41, 29 May 2011 diff hist +147 Chronograph →High Speed Photography
• 00:3700:37, 29 May 2011 diff hist −11 m Chronograph →Sound Based Homemade Chronograph
• 00:3500:35, 29 May 2011 diff hist +56 Chronograph →Sound Based Homemade Chronograph
• 00:3300:33, 29 May 2011 diff hist +288 m Chronograph →Sound Based Homemade Chronograph: Added Audacity screen shot.
• 00:2900:29, 29 May 2011 diff hist +94 N File:Musket discharge 799.png Audacity file expanded on the muzzle blast of a piston cannon showing the pre fire pilot hiss.
• 00:0800:08, 29 May 2011 diff hist −2 m Chronograph →Magnetic Based Homemade Chronograph
• 00:0300:03, 29 May 2011 diff hist −51 Chronograph →High Speed Photography
• 00:0100:01, 29 May 2011 diff hist −37 Chronograph →High Speed Photography
• 00:0000:00, 29 May 2011 diff hist +4 Chronograph →High Speed Photography

28 May 2011

• 23:5823:58, 28 May 2011 diff hist +69 N File:Tumblecomposite.jpg Composite photo from high speed video showing distance between frames
• 23:5323:53, 28 May 2011 diff hist +469 Chronograph Added High Speed Video to the list.

22 December 2010

• 00:5500:55, 22 December 2010 diff hist +91 m Chronograph →Magnetic Based Homemade Chronograph
• 00:4400:44, 22 December 2010 diff hist +1 m Chronograph →Magnetic Based Homemade Chronograph
• 00:4400:44, 22 December 2010 diff hist +1 m Chronograph →Magnetic Based Homemade Chronograph
• 00:4300:43, 22 December 2010 diff hist −37 m Chronograph Added magnetic pickup coil photos
• 00:4000:40, 22 December 2010 diff hist +89 N File:4 inch coil detail.jpg Test pick up coils on a 4 inch ABS barrel. A T shirt and foam ball have embeded magnets. current

17 December 2010

• 19:2419:24, 17 December 2010 diff hist −1 m Quick Dump Valve →The Quick Dump Valve current
• 19:2219:22, 17 December 2010 diff hist +68 m Piston valve Added Supah as an example current
• 19:2019:20, 17 December 2010 diff hist +70 m Piston valve Added Mauler as an example.

14 December 2010

• 12:3312:33, 14 December 2010 diff hist −6 m Chronograph →Magnetic Based Homemade Chronograph
• 12:3112:31, 14 December 2010 diff hist +5 Chronograph →Magnetic Based Homemade Chronograph
• 12:3012:30, 14 December 2010 diff hist +176 Chronograph →Magnetic Based Homemade Chronograph
• 12:2312:23, 14 December 2010 diff hist +596 Chronograph →Magnetic Based Homemade Chronograph
• 12:1612:16, 14 December 2010 diff hist +711 m Chronograph Added Magnetic pickup

13 December 2010

• 19:4219:42, 13 December 2010 diff hist −162 m Flow coefficient reformatted. current
• 19:4019:40, 13 December 2010 diff hist +586 Flow coefficient updated CV to include the definition and standard for measurement. A link to the Wikipedia page is added.
• 12:2312:23, 13 December 2010 diff hist +1 m Piston valve Formatting
• 12:2012:20, 13 December 2010 diff hist +385 Piston valve →Common traits
• 12:1012:10, 13 December 2010 diff hist +2,071 Pilot Added larger pilot volume consideration for narrow ratio valves. Added small pilot and high flow for chamber sealers and wide ratio pistons. current
• 11:4711:47, 13 December 2010 diff hist +224 m Forum Stickies →How-To Database current
• 11:4611:46, 13 December 2010 diff hist −224 m Forum Stickies →Pneumatic Cannon Discussion
• 11:4511:45, 13 December 2010 diff hist +224 m Forum Stickies →Pneumatic Cannon Discussion

13 May 2010

• 13:2413:24, 13 May 2010 diff hist +134 m Piston valve →1:1 Ratio or QDV: Fixed dead link to QDV page
• 13:2113:21, 13 May 2010 diff hist −19 Good technical examples & articles →Cannons
• 13:1913:19, 13 May 2010 diff hist −11 Good technical examples & articles →Cannons
• 13:1613:16, 13 May 2010 diff hist +52 m Good technical examples & articles →Cannons: Link died to a wikipage

10 May 2010

• 00:3400:34, 10 May 2010 diff hist −130 m Piston valve →1:1 Ratio or QDV: Removed dead link to QDV page.

18 August 2009

• 04:1404:14, 18 August 2009 diff hist −9 Quick Dump Valve →The Quick Dump Valve

10 August 2009

• 15:1715:17, 10 August 2009 diff hist +8 m Quick Dump Valve →The Quick Dump Valve
• 15:1215:12, 10 August 2009 diff hist −42 Good technical examples & articles →Cannons
• 15:1115:11, 10 August 2009 diff hist +1 Good technical examples & articles →Cannons
• 15:1015:10, 10 August 2009 diff hist +219 m Good technical examples & articles →Cannons

6 August 2009

• 16:5516:55, 6 August 2009 diff hist −340 m Quick Dump Valve →The Quick Dump Valve

4 August 2009

• 18:1218:12, 4 August 2009 diff hist +134 N File:Crown.JPG High res photo of heat crowned 2.5 inch barrel. Edge was heated and then shoved onto the top of a full 2 liter pop to form the crown. current

31 July 2009

• 18:4818:48, 31 July 2009 diff hist +1 Piston valve →O-Ring Considerations on a Piston Valve
• 18:4718:47, 31 July 2009 diff hist +72 N File:123 floatingpneumatic1.jpg Source: RL Hudson O-Ring Design & Materials Guide. Used with permission. current
• 18:4518:45, 31 July 2009 diff hist +6 m Piston valve →O-Ring Considerations on a Piston Valve