User contributions for Technician1002

29 May 2011

• 02:1202:12, 29 May 2011 diff hist −55 m Chronograph Photo size fixed current
• 02:1102:11, 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
• 02:0602:06, 29 May 2011 diff hist 0 File:Tumblecomposite.jpg uploaded a new version of "File:Tumblecomposite.jpg": Composite photo from high speed video current
• 01:4101:41, 29 May 2011 diff hist +147 Chronograph →High Speed Photography
• 01:3701:37, 29 May 2011 diff hist −11 m Chronograph →Sound Based Homemade Chronograph
• 01:3501:35, 29 May 2011 diff hist +56 Chronograph →Sound Based Homemade Chronograph
• 01:3301:33, 29 May 2011 diff hist +288 m Chronograph →Sound Based Homemade Chronograph: Added Audacity screen shot.
• 01:2901:29, 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.
• 01:0801:08, 29 May 2011 diff hist −2 m Chronograph →Magnetic Based Homemade Chronograph
• 01:0301:03, 29 May 2011 diff hist −51 Chronograph →High Speed Photography
• 01:0101:01, 29 May 2011 diff hist −37 Chronograph →High Speed Photography
• 01:0001:00, 29 May 2011 diff hist +4 Chronograph →High Speed Photography
• 00:5800:58, 29 May 2011 diff hist +69 N File:Tumblecomposite.jpg Composite photo from high speed video showing distance between frames
• 00:5300:53, 29 May 2011 diff hist +469 Chronograph Added High Speed Video to the list.

22 December 2010

• 01:5501:55, 22 December 2010 diff hist +91 m Chronograph →Magnetic Based Homemade Chronograph
• 01:4401:44, 22 December 2010 diff hist +1 m Chronograph →Magnetic Based Homemade Chronograph
• 01:4401:44, 22 December 2010 diff hist +1 m Chronograph →Magnetic Based Homemade Chronograph
• 01:4301:43, 22 December 2010 diff hist −37 m Chronograph Added magnetic pickup coil photos
• 01:4001:40, 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

• 20:2420:24, 17 December 2010 diff hist −1 m Quick Dump Valve →The Quick Dump Valve current
• 20:2220:22, 17 December 2010 diff hist +68 m Piston valve Added Supah as an example current
• 20:2020:20, 17 December 2010 diff hist +70 m Piston valve Added Mauler as an example.

14 December 2010

• 13:3313:33, 14 December 2010 diff hist −6 m Chronograph →Magnetic Based Homemade Chronograph
• 13:3113:31, 14 December 2010 diff hist +5 Chronograph →Magnetic Based Homemade Chronograph
• 13:3013:30, 14 December 2010 diff hist +176 Chronograph →Magnetic Based Homemade Chronograph
• 13:2313:23, 14 December 2010 diff hist +596 Chronograph →Magnetic Based Homemade Chronograph
• 13:1613:16, 14 December 2010 diff hist +711 m Chronograph Added Magnetic pickup

13 December 2010

• 20:4220:42, 13 December 2010 diff hist −162 m Flow coefficient reformatted. current
• 20:4020:40, 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.
• 13:2313:23, 13 December 2010 diff hist +1 m Piston valve Formatting
• 13:2013:20, 13 December 2010 diff hist +385 Piston valve →Common traits
• 13:1013:10, 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
• 12:4712:47, 13 December 2010 diff hist +224 m Forum Stickies →How-To Database current
• 12:4612:46, 13 December 2010 diff hist −224 m Forum Stickies →Pneumatic Cannon Discussion
• 12:4512:45, 13 December 2010 diff hist +224 m Forum Stickies →Pneumatic Cannon Discussion

13 May 2010

• 14:2414:24, 13 May 2010 diff hist +134 m Piston valve →1:1 Ratio or QDV: Fixed dead link to QDV page
• 14:2114:21, 13 May 2010 diff hist −19 Good technical examples & articles →Cannons
• 14:1914:19, 13 May 2010 diff hist −11 Good technical examples & articles →Cannons
• 14:1614:16, 13 May 2010 diff hist +52 m Good technical examples & articles →Cannons: Link died to a wikipage

10 May 2010

• 01:3401:34, 10 May 2010 diff hist −130 m Piston valve →1:1 Ratio or QDV: Removed dead link to QDV page.

18 August 2009

• 05:1405:14, 18 August 2009 diff hist −9 Quick Dump Valve →The Quick Dump Valve

10 August 2009

• 16:1716:17, 10 August 2009 diff hist +8 m Quick Dump Valve →The Quick Dump Valve
• 16:1216:12, 10 August 2009 diff hist −42 Good technical examples & articles →Cannons
• 16:1116:11, 10 August 2009 diff hist +1 Good technical examples & articles →Cannons
• 16:1016:10, 10 August 2009 diff hist +219 m Good technical examples & articles →Cannons

6 August 2009

• 17:5517:55, 6 August 2009 diff hist −340 m Quick Dump Valve →The Quick Dump Valve

4 August 2009

• 19:1219:12, 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

• 19:4819:48, 31 July 2009 diff hist +1 Piston valve →O-Ring Considerations on a Piston Valve
• 19:4719:47, 31 July 2009 diff hist +72 N File:123 floatingpneumatic1.jpg Source: RL Hudson O-Ring Design & Materials Guide. Used with permission. current
• 19:4519:45, 31 July 2009 diff hist +6 m Piston valve →O-Ring Considerations on a Piston Valve