Robert Lane Regulator and S400

[lensman57]

Can someone who has successfully fitted one his regulators to S400/S410 please tell me know what I have to watch out for? I have no problem removing the AT. I have a spare valve block with no AT to the restrictor fitted so that dept is taken care of too. I am more concerned about enlarging the TP all the way down to the barrel. Can the barrel remain in place while doing this or it needs to come off the breech? I will be using a small milling machine for the operation. Any practical advice would be appreciated.

A.G

[32:1]

Ive done a few, Ive never enlarged the port but have thought if I dropped reg pressure it could help.

I lightend the hammers, removed the pot and used the longer stand offs, use the instructions he gives and you wont go far wrong, I explored further trying allsorts of settings and its good fun testing your settings, I found excellent consistancy and more shots

Chris

[zephyr]

I’ve done my S400, including the transfer port. The only thing that is different from the actions and care of servicing the gun is balancing the hammer spring, pot/firing valve and transfer port restrictor.

[pennineway.fswo]

I have fitted Lanes regs to both my AA 400 Classics

The one that I left the transfer port standard gives about 90 consistent shots at 11.3 ft lbs

The other one that I opened up the ports on gives another 20 shots/ charge.

Both actions have never leaked and have performed very well. I reduced the hammer spring tension on the second one and used the stronger exhaust valve spring (supplied)

If you do open up the port into the brass o-ring carrier, be careful to clean up the hole in the bore of the fitting so that the pellet is not damaged when the probe pushes it into the rifling.

I have more recently replaced the regs in 2 ftp900’s with the latest Lanes Lancet regs
Both give very consistent velocity readings.
John

[lensman57]

Thank you all for your replies. I am after 100 shots out of my .177 S400 classic @ 11.4 ft.lbs so I guess that I should really consider enlarging the TP. Does he supply instructions for doing so with his full kit please?

A.G

[zephyr]

Yes. Very informative YouTube videos. Be sure you see and understand every thing in the videos, it is easy to miss something as there is a lot of content in them.