10 minute read
TECH: PERUN VECTOR MODULE
KRYTAC... MEET PERUN
PERUN HAVE BEEN MAKING A LOT OF NOISE VERY RECENTLY IN THE AIRSOFT WORLD AND ARE PROVING TO BE A MAJOR CONTENDER IN THE WORLD OF AEG ELECTRONICS. OVER THE LAST YEAR JIMMY HAS INSTALLED AND TESTED SEVERAL OF THEIR PRODUCTS AND HE’S YET TO BE DISAPPOINTED! NOW HE GETS HIS CAPABLE HANDS ON THE VERY LATEST PIECE OF PERUN GENIUS SPECIFICALLY MADE TO FIT THE KRYTAC KRISS VECTOR AND TELLS ALL!
Up until now I’ve seen from PERUN (and indeed worked with) the AB++, ETU++, v2 & v3 hybrids and their latest offering is exciting as it’s a new electronic trigger system specifically made to fit the Krytac Kriss Vector and replace the stock electronics, and yes it has been made to fit only the Krytac version, so it’s absolutely a dedicated item, but all the better for that!
The Kriss Vector has been about now for a few years so it begs the question, why now? And why the Vector? One thing I do know since the release of the new mosfet is that the lesser-spotted Vector has now all of a sudden become very popular and I’m starting to see more and more of them. I once looked at the Vector and instantly dismissed it… that is up until I managed to acquire one from the lovely people at Crawley Surplus Stores. I feel the new Krytac-specific mosfet has done exactly what the etu++ has done for G&G platforms, and that is to give the user the ability to unleash the full potential of the rifle. Both were held back by very basic mosfets offering up very limited functions. The Vector out of the box is set to semi, 2 BB burst and full-auto, which while it worked seemed a bit laboured.
WORK READY
The device comes packaged in the very recognisable white card box all neatly nestled as usual. You will find a sheet which contains a nice selection of PERUN stickers, two programming stickers, a diagnostic sticker and a sticker which goes on the outer of the gearbox to keep the wires tidy and also shows you
the wire orientation so you can be sure you have routed them correctly. The programming and diagnostic sticker are for you to conceal somewhere so you have them with you at all times should you run into any issues out
on the field. This sheet also includes the QR code
which when scanned takes you straight to the PERUN website for
installation guidance.
Next you will find the signature Ace plastic playing card giving you clear instructions for programming which you can conceal in a wallet or pocket.
Included is a 30amp fuse which is recommended you use over the stock 20amp fuse. Also in the box are four selector stickers should you mess one up, or if it becomes unstuck you have a backup. Then you have the circuit board itself wrapped in the antistatic plastic wrapper.
You’ll see the board is the same size as the stock Krytac board but without the two fire-select switches; these have been deleted and replaced with micro optical sensors one for 2 BB burst and another for full auto.
Installation of this device is incredibly easy and it is a job that can be done in around 20mins; however as I always recommend if unsure or not tech confident please do seek the help or services of an experienced tech. If you are confident in installing yourself always remember to ensure your battery is disconnected and your magazine is removed, safety first!
Disassembly of the Krytac is relatively easy to separate the upper from the lower there are four pins that you punch out; be careful of the spring guide pin it has a security screw which I found to be quite tight, so it can be easily stripped if using the incorrect screwdriver. Remove the four pins, remove the spring
guide and pull apart the two halves. Place the upper over to one side and deal with that later.
Now you need to remove the gearbox from the lower. Don’t panic, you will not have to open the gearbox, there are several screws holding the gearbox in, but be cautious of the screw holding the charging handle spring as it is under tension and can ping off. Once all the screws are removed you can just slide the gearbox out of the lower.
In order to remove the stock board you will want to remove the wires from the motor, and you might find it easier by unscrewing and removing the motor plate; make a mental note of the wire routing from the motor to the board. On the board you will see two yellow wires leading to a plug on the board, this is for
your cut off switch and needs to be uncoupled from the board. You will see one screw which holds the board in place. Once removed you can then lift out the stock board and manipulate the wiring making removal easier.
Now you have successfully removed the stock board you can install the PERUN. Feed the attached wiring through the hole and screw the board back down, reinstall the cut off wiring; take note on the orientation of the plug as it only fits in one way you will need to ensure you have the plug the right way up. Do not force this plug, if it is the wrong way you will damage the connection and render it useless.
Route the motor wires neatly in the shell and fit the wire holding sticker. The sticker shows which side the wire should sit. Push the motor in and route the wires to the correct tabs and screw the motor plate back on over the top of the wires ensuring correct wire placement, but do not connect the motor wires just yet as you will need to do the calibration process shortly.
Next is to fit the sticker to the selector; you can do it without removing the trigger box but it is much easier if you do remove it. To remove the trigger box you will need to push the top rail off the upper to access two more screws; remove the safety screws, fire selector screws and the ejection port cover screws. The trigger will now slide out. Be sure to give the fire selector bar a clean before applying the sticker and ensure you fit it the correct way round, otherwise you will need to repeat the process to refit it should you happen to get it wrong on the first go!
CALLIBRATE AND PROGRAM
Reassemble the upper and the lower as now you will need to start the calibration. Full calibration instructions are in the instructions which as stated can be found via the QR code. You should have successfully calibrated the PERUN to the Vector and now you will need to attach the motor wires and button up the two halves.
Be very mindful of the motor wires when offering the upper to the lower as the ejection port sits incredibly close and can pinch the wires should you try rushing it. After you have completely assembled you rifle now you can start the programming should you so desire. I had to have a few attempts to get this right as I was confusing the fire control settings with other settings, but once I had got my head around it all it became as clear as day. I didn’t really alter much from the stock settings other than a bit of extra active breaking as I found the stock settings to be okay and so will run with that for a while.
The PERUN has been designed to meet the needs of most builds so can accommodate even the most demanding of airsofters needs. I am seriously looking forward to getting some games in using the Krytac and seeing exactly how the PERUN handles it; I’m definitely looking forward to trying out some pre-cock especially as I have the Laylax speed trigger fitted I think it’s going to make for a formidable AEG.
SPECS FOR THE WIN
• Freely programmable firing modes – Set any firing mode you like on any of the selector positions independently. Available modes are: safe, semi, binary, TWO to FIVE BB burst and auto. • Active brake - active brake stops the motor after each shot preventing spring compression or in case of replicas with high rate of fire, overspin (double shot problem). • Precocking - Fast trigger response can be a matter of victory or defeat, especially in CQB situations.
With precocking enabled, piston will remain in rear position after each shot with the spring already compressed, ensuring that next shot will be fired immediately after you pull the trigger.
To release the spring after using precocking, pull and hold the trigger. A second shot will be fired after THREE seconds, with no precocking and fully braked. • Rate of fire reduction - Reduce the rate of fire in automatic or burst fire to save ammo or make the replica shoot in a more realistic fashion. • DSG mode- if you so feel the need to run a DSG gear the DSG setting needs to be active to control the gear better and control precocking more efficiently • Low battery voltage alarm - Dedicated for Li-Po and
Li-Ion batteries. Should the battery voltage fall
to a dangerously low level, user will be notified by short sound signals that are repeated every minute. This may also be freely switched on and off. • Diagnostic system - Constantly monitors the replica and the mosfet itself. In case of any problems, immediately lets you know what it might be, making troubleshooting much easier. • Electronic fuse - Will save your replica and battery in case of a major malfunction. It will automatically disconnect the battery if a short circuit or blocked motor is detected.
Programming of all the settings is done solely by using the trigger and selector, in easily memorable and quick sequences. Programming is supported by sound signals and multicolour LED diode; this allows changing the settings in a moment, in a matter of seconds to be honest, even under enemy fire! The PERUN module for the Krytac Kriss Vector works without problems with any battery from 7V to 17V (or so I’m told!). It can also be used with most extreme setups, without any limitations as to the spring rating.
I’d like to personally thank Jakub and the PERUN team for once again sending out their latest module for us to test and review, it really is a pleasure to work with them as they’re not only totally professional, but friendly and approachable too.
In conclusion I have to say that I’m always impressed by PERUN, they always make things work so much better over stock operating systems and at a price that is incredibly appealing. So if you have a Krytac Vector I seriously advise spending out on the new PERUN, you won’t regret it, I promise. If you want to go that little further fit the Laylax speed trigger as it really is an amazing compliment to the PERUN! AA
