Engineering- Research & Development

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Engineering- Research & Development (Moderators: Rocker1, Wayne52)

For the discussion of hands on air gun related development, modifications, testing data etc.

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Subject / Started by	Replies / Views	Last post
Scratch build big bore Started by NccWarp9	14 Replies 1154 Views	April 29, 2021, 11:25:05 AM by MJP
Baffle designs - best design and why Started by shorty	2 Replies 650 Views	April 09, 2021, 08:52:26 AM by JPSAXNC
HP .22 design/build Started by Scotchmo « 1 2 3 ... 17 »	338 Replies 13119 Views	April 01, 2021, 06:32:53 PM by Motorhead
Spring Tuning Started by truck driver	2 Replies 513 Views	March 06, 2021, 11:07:04 AM by truck driver
Machining internal threads on lathe.... Seeking advice... Started by Duane38 « 1 2 »	25 Replies 1503 Views	February 28, 2021, 09:08:12 PM by Rob M
Self cocking front exhaust valve Started by sb327 « 1 2 3 ... 6 »	112 Replies 4798 Views	February 05, 2021, 09:26:21 AM by sb327
Question Regarding Excessive Valve Stem Length and Effect on Dwell Started by JuryRigger	5 Replies 673 Views	February 05, 2021, 01:12:20 AM by rsterne
Do the HW95 and HW80 use the same cocking lever? Started by IanC	1 Replies 455 Views	January 27, 2021, 09:31:54 AM by IanC
Valve assembly for shortest action. Started by Jim Holmgren	6 Replies 892 Views	January 01, 2021, 01:46:52 PM by JPSAXNC
.22 ACP Build-A Work in progress Started by JuryRigger « 1 2 »	28 Replies 1345 Views	December 08, 2020, 10:47:39 AM by JuryRigger
Seamless Stainless Tubing for Plenum Started by JuryRigger	5 Replies 735 Views	November 10, 2020, 10:12:40 PM by JuryRigger
Paintball Bottle Regulators - how low can the output go? Started by jackssmirkingrevenge	13 Replies 760 Views	November 10, 2020, 03:43:12 PM by jackssmirkingrevenge
0.156" Open Bolt Automatic for #4 Birdshot - Build Log Started by jackssmirkingrevenge « 1 2 3 »	46 Replies 10135 Views	October 30, 2020, 08:42:51 AM by jackssmirkingrevenge
MOVED: Question for 3D CAD users Started by Wayne52	0 Replies 537 Views	October 11, 2020, 04:12:57 PM by Wayne52
Gauntlet plenum Started by Altinator44	3 Replies 511 Views	October 11, 2020, 10:22:13 AM by Altinator44
Looking for somebody who's interested in taking part in some product development Started by stardig	1 Replies 610 Views	August 25, 2020, 07:24:41 AM by subscriber
Looking for instructions for a (cad proficient) Layman Started by simonkage	7 Replies 616 Views	August 25, 2020, 06:59:11 AM by subscriber
Looking for simple single pump shotgun mechanism examples Started by simonkage	0 Replies 408 Views	July 21, 2020, 08:24:55 AM by simonkage
R/C Round ball launcher For a Tank Started by int3man	17 Replies 870 Views	July 18, 2020, 01:05:49 AM by int3man
Modded muzzleloader Started by JTknives	5 Replies 657 Views	July 17, 2020, 10:16:15 AM by ezman604
Solenoid fired valve Started by sb327 « 1 2 3 »	45 Replies 1989 Views	June 26, 2020, 10:35:07 PM by sb327
$5 ratcheting spring clamp conversion to cocking power adjuster/striker? Started by PelletSport	0 Replies 430 Views	May 28, 2020, 08:07:28 PM by PelletSport
Lathe Opinion Wanted :-\ Started by Back_Roads « 1 2 »	28 Replies 1770 Views	May 14, 2020, 10:08:11 PM by YEMX
Enlarged spindle bore and I ain't gonna machine cast iron anymore! Started by nced	8 Replies 992 Views	April 28, 2020, 07:57:17 PM by eeler1
Craftex points Started by GarthThomas	1 Replies 414 Views	April 11, 2020, 01:36:14 PM by Motorhead

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