Parts of the mechanism
The right side of the gearbox with the dismantled dummy bolt carrier.
The opened SDU. The yellow arrow indicates the micro-switch arm that works with the trigger. The eSilver Edge has cut-off lever. In single fire mode, the Hall effect sensor tracks the rotation of the sector gear and disconnects the power supply after every full turn. A reset and and firing a next shot is carried out by releasing and pressing the trigger again. The sensor does not work in the full-auto mode. The larger red arrow indicates the magnet pressed into the sector gear visible through a port in the frame. The smaller arrow shows the Hall effect sensor.
The open mechanism. The magnet on the sector gear is very visible. It is just under the dealyer.
The left side of the gearbox with a custom dedicated selector plate.
A disassembled selector plate seen from the other side. The yellow arrow shows another Hall sensor, the red one shows a magnet glued to the board. The movement of the plate and the magnet over the sensor results in switching between the SEMI and AUTO modes (Pain and Hell :)). External wiring channels are also visible. Thanks to this solution, the gear on the motor shaft has no chance of damaging the insulation of the wires, which sometimes happens in the traditional solution.
The issue of switching the replica to a SAFE mode was resolved differently. The red arrow shows a separate lever moved by the selector plate. When this lever in the extreme left position (as in the photos) - the trigger is locked and the replica is set to SAFE.
The control module removed and disassembled. Low resistance wires were used in thin but quite hard insulation. This is the left side.
And this is the right side.
Steel sintered gears are standard and and so is the anti-reversal latch. Only the magnet pressed into a sector gear differentiates this gear from the ones available in stores. In case of necessity or willingness to replace its, it is enough to take the magnet out of the gear and place it in the new one. It is worth checking its original polarity beforehand.
A chromed cylinder and standard tappet plate.
The piston has a flat directional head made of plastic and a all steel teeth.
The piston head has a bearing.
The cylinder head is made of plastic and has a quite a thick bumper. But despite the fact that a relatively small number of shots have been fired, the shape of the piston head is clearly impressed on the bumper.
Aluminum nozzle with a length of 21.65 mm.
It has an internal sealing o-ring.
A spring guide with a ball bearing. It has four arms fixing its position in the gearbox frame.
Standard long type motor without any markings. Its magnets are of average strength. Turning the shaft with your fingers is not too difficult.
A standard Hop-Up chamber of a traditional design. We will not show you the bucking as we were unable to loosen the screw holding the adjustment knob. We did not want to damage neither the screws nor the chamber while trying to do so.
A steel inner barrel with a diameter of 6.03 mm. Its exiting end is beveled. The photos also shows two groves in which o-rings stabilizing the barrel inside the external barrel were placed.
Smaller external parts
The DYTAC grip with visible markings. The insert positioning the motor inside the grip must be oriented like shown in the photo below.
The magazine release is double-sided and assembled with an Allen screw.
The bolt catch is mounted using a pin, which has to be removed before disassembly.
The muzzle break taken off.
A re-assembled gearbox frame prepared to put into the tested replica. It was not necessary to correct the shimming or motor setting. The only thing I could have reservations about is, my opinion, a bit too little lubricant inside the mechanism.
