Bedrock Bob's latest activity

I've never had a problem with twisting after installing the Vortek or the Tinbum kit. There was definitely twist before. From my...

The rifles Torque motion comes from the springs rotational mass being in motion having nothing to do with some mechanical force in play...

Don't agree in fashion shown ... If friction at spring ends is so high spring can't twist when compressed very little will be noted. Now...

Issue by design is this ... Because these are designed for light thrust loads and "DUE TOO" the rolling pins being a constant diameter...

Speaking of these types ....

A spring naturally uncoils a bit as it's compressed so the bearing washer lets it do so freely without binding anything up! Personally I...

This basic principle is where highly polished spring ends came into being...

Yes goes in the piston first. With a little moly on the end of the top hat it gives it a bearing like affect. Plus a little more preload...

Yup For me I needed one in my TX. I was shooting my TX200 Tim bum set up. Tried it with and without the thrust bearing/slip washer. For...

Roller pins? What am I missing here? Please help me understand! Are we talking about a caged needle bearing like a tapered roller...

The Timbum kits come with a delrin washer that goes between the piston and top hat. It eliminates twist. It seems to work great on my...

All of my neighbors shoot powder burners in their yards, but they aren't consistanly at it like I am. I was even caught on camera...

Rimfire ammunition took a 15-20% hike early this year. SK, Lapua and Eley all took similar increases and tariffs could increase them...

I have used the 3x9x40 Airmax for about 3 years now. A Vantage 3x9x40 for about 4. Both are AO. I've got a couple fixed 4x Vantage...

Got these guys on Friday with the U2 .177 slinging 16gr Griffin slugs at 970fps, all head shots, one of which needed a second shot as...