(Login sonargodz) Crosman Forum Member from IP address 188.8.131.52
With stock valve stem, stock weight valve spring, and stock weight hammer spring. Valve has no porting or polishing. The breech is Cothran Machine with hollow bolt. Gun has a 12 inch barrel. Velocity Adjuster was unscrewed all the way, so no extra tension on the spring. Also used one of Anthony's Protops to test the gun with 12 gram cartridges.
Temp 65 degrees using co2 12 gram
14.66 grain Beeman FTS domed
CED Millennium Chronograph
(Login fivestar45) Crosman Forum Member 184.108.40.206
You're doing good Zach
June 16 2012, 2:47 PM
I'd suggest lightening the striker a bit and trying a 1377 striker spring. Are you using a harder stem, like a Disco or home made nylon 66? If not there's some free power to be gained by using one and quickening the valve response.
Keep up the good work.