The premise behind lapping is to dress smoothly the bore
metal surfaces to a high degree of refinement and accuracy, thereby allowing a more uniform bullet passage up the bore
You would never shoot anything requiring a 2 bore
at ranges past that.
As expected temperatures increase for later bores
due to block heating from spraying previous bores
can disappoint, because of various factors, even if the predicted tide is very high.
The most common variation is to shoot one shot, then clean the bore
, then repeat this shoot-and-clean routine for at least 10 shots.
The line was to be used to transport natural gas and became the longest bore
Parker Lane had attempted with the new drill rig.
The only other river in the UK on which notable bores
take place is the Severn,.
The cavity bottomed out in the bore
, and without missing a beat he drove the others home in a random "whack-a-mole" fashion until all 32 cavities were seated.
opened with the seemingly harmless, "Where are you from?
The Lamb machine bores
a 25- to 75-mm hole anywhere within a 250-square-mm work zone without changeover or retooling, he added.
Problem: Figure 3 shows the component and the extensive machining for oil passages and cylinder bores
that was required.
of Indiana specializes in making directional bores
for public works projects in and around Indianapolis.