Theoben Rapid Forum

I have a short core reg that I can't quite set up, I think it's end float.

Target is 1950psi/ 135bar,
stack is double 0.5mm (()) ((
iirc end float ws 0.65mm
held steady at 1970psi overnight but last 5 bar is slow.

Obviously disc compression is less than the sub-12 stack... am I correct in thinking that I should nip up the end float for a shorter stroke

I normally setup between 0.3 and 0.5 - could be worth a try 👍

Cheers Daz,
Reduced the end-float to 0.5 and its shutting off more positively.
Won't shorten any further until I've put over the chrono.

is the core sealing face in good condition and rear of push pin disc
KevG

yes appears to be ok, its a spare-spare that I used to try different pressures on my mk2.
leaked.. stripped it and replaced the core o-rings about 4 months ago reassembled with the same float.

going through the motions of putting a reg back on my mk1 fac.
I think 150bar was too much- topped out at 32ft irrespective of pellet weight and no decrease / increase at 155.

I've found Express to be more accurate than recent batches of Jumbo/AADF and H&N.
Knocking those out at 950 on fast-flow (over 1000 before backing off) so tune the gun to those.

I'll see how it runs on lower pressure stepping 5 bar at a time on two regs
back one off 5 bar.. up 5 bar on the other.... two adjustments 4 pressures, no need to lose a good setting and keep  the best