So, well ever since i joined this forum i have struggled with making an airgun.
And one of the major parts of that is to make a HPA stirrpump (bicycle pump) that can produce 3000-4500psi.
And i have been tinkering with single stage pumps and can quite easily reach 1800-2000psi. Buts its not really enought get any performance at all out of anything.
So anyone got an idea for how a 3 stage stirrpump would work?! Why i want it in the stirrpump model is because of portability. =)