I think the shuttle o-ring could be left out entirely and just have a tight fit, after all it does not need to be completely airtight.You can also have a two-part spool to have a more immediate exposure of the breech:
If I go with the floating poppet, I significantly increase the pressure my sear sees. Which translates to wear and increase trigger pull. (Which can be dealt with
Quote from: sb327 on November 29, 2020, 03:51:45 PMIf I go with the floating poppet, I significantly increase the pressure my sear sees. Which translates to wear and increase trigger pull. (Which can be dealt withNot really, the area being acted on by the pressure in the direction of the sear is the difference between diameters A and B:You can still design it to be only slightly unbalanced.
And shuttle would need to push on stem to get it to reach sear engagement point
Again, we are talking about a small area for such detail. Doable but with some difficulty.
3000 psi with JSB Monster 25.39 gr, Max 71 fpe1128, 1113, 1100, 1079, 1064, 1047, 1031, 797, 1004, 992, 978, 961, 947, 938, 926, 911, 897, 883