Latest · Prototype

Magnetic delay

Two N52 pulling two N52. The couplet holds the bolt in battery until recoil breaks it free. That hold is the delay. On the way home it recaptures — bounce has nowhere to go. Prototype. PAMAX commercial MBS is a different hybrid (staggered magnets + a tuned spring).

Frytech

Magnetic delay

Two N52 magnets pulling on two N52 magnets. Unlike poles face each other. The bolt stays until that couplet breaks free — then the same pair recaptures on the way home.

BUTTCHAMBERHOLDINGMBS 1/r²BCGNNSSlockedIn battery

Unlike poles are locked. The couplet holds the bolt.

2 on 2 N52 couplet

Live gap 0.03 in · 9.4 lbf

Breakaway

Bolt drive0.0 lbf
Couplet hold9.4 lbf

Holding — has to break free

Bolt race · JP vs Delay

JP SCS
Delay
holding

Diameter

Each magnet

Stack

0.03 in

Breakaway
9.4 lbf
Snap work
0.07 ft·lbf
Hold delay
23.8 ms
Bounce
Can leak

Pull vs gap