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VERSION 3 - SEMI-AUTO ONLY
The Kythera has been the most eagerly anticipated products from PolarStar in the past decade. This HPA system is a radical departure from all previous systems that PolarStar has produced since the Kythera does not use a battery, an FCU or any type of electronics. The Kythera is completely mechanical. This means you never have to worry about charging batteries or work with delicate electronics. It also means that the system is completely waterproof.
The name "Kythera" (ky-the-ra) was derived from the Antikythera Mechanism which is a mysterious device that was discovered by sponge divers off the coast of the Greek island Antikyther. The mechanism was so advanced in design that scientists have been studying it for decades to discover its purpose. The machine dates from around the end of the 2nd century B.C. and is the most sophisticated mechanism known from the ancient world. Nothing as complex is known for the next thousand years. The Antikythera Mechanism is now understood to be dedicated to astronomical phenomena and operates as a complex mechanical "computer" which tracks the cycles of the Solar System.
For this reason we used the name Kythera for the valve mechanism at the core of a new line of PolarStar mechanical HPA systems. Although it contains very few parts and is easy to install and maintain, the system incorporates a very intelligent design and is unlike anything else on the market. The system was designed as a mechanical system from the ground up and uses a realistic trigger mechanism which can be applied to single-shot, semi-automatic and fully-automatic systems.
The first of these systems is Kythera SA (Semi-Automatic), the semi-auto-only variant for use in AEG gearboxes.
What sets this system apart from other mechanical systems is the design of its trigger. The trigger mechanism is designed to replicate the function, weight and feel of a real single-action firearm trigger. It feels real because it is real. The hardened alloy steel sears catch and release the stainless steel spool valve in the same way the sears of a real firearm catch and release the hammer or striker. This gives the Kythera trigger the distinct break and reset you would expect to feel when firing a real single action firearm. The trigger mechanism in the Kythera SA is also adjustable, allowing the user to fine tune the weight and over travel. Additionally, the internal firing valve is balanced and the only force applied during firing is the main spring. This means the function and feel of the trigger is independent of input pressure and velocity.
The design of the Kythera SA completes a shot cycle on the trigger pull. This gives you the proven closed bolt performance of the Fusion Engine and F2 in a completely mechanical, waterproof system with a realistic trigger. It does not require the trigger to be released before the nozzle chambers the next round and the firing volume is refilled. This occurs automatically and consistently every shot, with adjustable nozzle dwell and return speed.
As the system resets and recharges immediately after firing, it is ready to fire again before the trigger has been released. This means the system can cycle very quickly for faster follow up shots and a lower potential for double feeding.
The valve design of the Kythera operates without the need for air to control the opening or closing of the valve. Without a pilot valve, 100% of the air going into the system is fired through the nozzle allowing it to operate very efficiently. In addition to being extremely efficient, the system is also extremely consistent. The valve is released at the same point every shot with the same force applied, regardless of trigger input.
The steel cord visible at the back of the system is attached to a cocking mechanism for the internal spool valve. Although the system automatically cocks the spool valve when the system is pressurized, since the Kythera uses a balanced valve, it is possible in certain situations that the valve could stall and needs to be manually cocked. This typically only happens if the system is run completely out of air so that the pressure drops below the operating range of the system. The cord is designed to be either routed through the grip of the rifle for easy access or even possibly attached in some fashion to the charging handle.
5457 highway 6 north, Guelph, ON N1H 6J2
Sun - 12 to 4
Mon - Closed
Tues & Wed - 10 to 5
Thurs & Fri - 12 to7
Saturday- 10 to 5
(New rules in addition to our standard policies during Covid-19)
Effective immediately, Airsoft Assault will not be accepting any returns in store. If you would like an exchange, please contact us via phone or email. We must first approve of the exchange, and then we will provide shipping and/or drop-off instructions. All items are subject to a Three (3) day quarantine before inspection.
All items that come with a manufacturer warranty must now go directly to manufacturer for repairs.
*The customer is responsible for all shipping and handling fees on return or warranty merchandise.
Airsoft Assault will not be doing any immediate repairs during Covid-19. All repairs will be subject to a three (3) day quarantine before inspection. Please contact us first before bringing in a repair.
*Please note - The three (3) day quarantine will not be included in our Three (3) or seven (7) day exchange policies.
Standard Warranty & Exchange Policy
Unopened and unused products that are not listed below may be returned for exchange within seven (7) days of the original invoice date.
All products must be unused, in new condition, and accompanied by all the original manufacturer's packaging, manual(s), blank warranty card(s), and miscellaneous part and accessories. Items in sealed clamshells must be unopened.
Liquidation Depot will only offer exchange, if possible, for appliance products that fail within three (3) days of the original purchase date. Any products that don't meet our exchange policy are subject to any manufacturer's warranty offered which is only accessible by the owner of the product and Not by Liquidation Depot.
*All Airsoft products are final sale only and do not carry any warranty unless offered by the manufacturer. New items with manufacturer defects that fail immediately will be inspected and repaired first before any exchange or credit is offered.
*All ATV, Dirt Bike, Ebike and Airsoft parts are final sale only! NO EXCEPTIONS!
*All Ebike batteries have a 30 day exchange warranty from manufacturer's defects and at the discretion of Evader Ebikes staff.
*All Ebike chargers are guaranteed to work at time of purchase and have absolutely no warranty once they leave the store.
*All Scratch and Dent products are final sale only!
*All bedding and related products are final sale only!
*All electronic products have a three (3) day exchange warranty for manufacturer defects only!
*All tool products are final sale only
*All Food & Beverage items are final sale only.
*No returns will be accepted on closeout or final sale items.
For Danby Warranty please call: 1-800-263-2629
All items are subject to inspection and all decisions made by Liquidation Depot Staff as to the condition of items, and their eligibility for return or exchange, are final. All items returned for exchange must be accompanied by the original invoice and are subject to a 20% restocking fee.
Airsoft Assault is not responsible for any returns that are lost, stolen or damaged in transit. Once your return has been processed, you will be contacted. Accepted authorization of returns will be replaced/exchanged or store credit maybe offered.