OMG!Spyra One: The next generation of water guns

Spyra One

One of the funniest things we did as children were the water pistol wars. Gathering with your friends in the park to face a fight to the death with these toy weapons, some were armed even with water balloons, was a guarantee of hours of fun. And now, after knowing Spyra One, a water gun for the most techies, it is most likely that we will meet again with our colleagues to confront us again.

Simply pull the trigger and feel the powerful shots. Each water bullet is exactly 30 ml – about the size of a shot glass. There’s no need for paint or target vests to find out who hit whom: the water bullets leave clear water marks on your friends’ shirts. Let them fade after a few minutes in the sun and get ready for a rematch!

Combining range with precision for the first time. If you’re older than five, water fighting is as much about pure range as driving is about just getting there. So Spyra One not only matches the range of the top water guns on the market. Its patent-pending valve-nozzle technology also achieves a previously unknown precision: Instead of soaking, Spyra One’s water bullets clearly hit their targets at up to 7.5 meters – that’s as far as the laws of physics allow!

No protection needed – it’s just water. Because of our specifically engineered valve-nozzle technology, Spyra One requires only low pressure levels to achieve maximum precision and range. You don’t need any protective gear to start a fight wherever there’s water around.

Refilling becomes part of the game. With the push of a button, Spyra One refills the entire tank with water – 25 shots in 14 seconds. Gone are the times where the break to run into the house and refill your tank was the killer of every water battle. With Spyra One, counting your water bullets and refilling strategically becomes part of the fight.

Refill anywhere, from any water source. Spyra One’s pumping system is protected by a water filter, so you don’t have to worry about small parts damaging the internals. Just hold the front end of Spyra One into any clean water source – a lake, a bucket, or your swimming pool – and push the button to let Spyra One refill the tank.

Full control down to the last water bullet. Stop guessing how much water you have left to launch that final attack. With Spyra One’s digital display, you just know – down to the exact number of water bullets left in your tank. When you shoot, it counts down, and when you refill, it counts up again. This way, you never risk running dry in the worst moment.

Always know Spyra One’s battery status. Spyra One’s digital display also tells you when it’s time to take a break from water fighting and recharge its integrated batteries. Don’t worry: You will probably tire from water battles earlier than Spyra One does. The battery easily lasts for a full day of water fights with at least 45 refill cycles and 1125 shots.

Full pressure whenever you need it. Spyra One’s integrated pump repressurizes the water automatically during refilling. The tank system then holds the pressure constant from the first to the last shot. Whether you have 25 shots left or just one, you always have full range and precision. All without any extra supplies like CO2 cartridges. And the best thing: There is no need for pumping anymore!

No more pumping. Ever. Did we mention this already? It’s like magic. While your water fight opponents are still busy working out their biceps to build up pressure, you are 100% back in the game whenever you choose to. You can even interrupt the auto-refill process at any time, ward off attackers, and continue refilling.

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Hero Pack: Be the water gun revolutionary this world needs. This is your chance: Choose your own Spyra One and make water fights great again!

Battle Packs: Pick your favorite friend (or opponent) and get the fight on. Prove your bravery in the eye of cold water with a Fighter Pack of Spyra Ones in your team colors!

Escalation Packs: Planning a mutiny at that other department at work or a ‘different’ surprise for your best friends’ wedding? We can’t think of better use cases for these packs. Gather your two football teams and get ready for total escalation!

Colors and shipping

Colors (red/blue): We send out a survey for the colors after the campaign ends – you can pick any combination of colors you like. Example: For an Epic Battle Pack (8x Spyra One), you can choose 6 red Spyra Ones and 2 blue Spyra Ones in the survey.

Shipping: To find out the shipping cost for your country, choose your reward and select your country. Larger packs are more efficient – so it really pays to find a friend to back Spyra One with you! Through a special service provider deal, we managed to get local rates for both US and central Europe! Yay!

Get Cash Back on the Projects You Love!
Get Cash Back on the Projects You Love!

Whatever happens on the way – we will keep you informed. Building a hardware product is hard and we may face unforeseen events that are going to delay us. As we have done in the past on our Facebook page and our email list, you can count on one thing: we will always keep you updated on our status and potential delays at least one update per month on Kickstarter.

Sebastian Walter, Founder of Spyra
Sebastian Walter, Founder of Spyra

Having grown up with the 1990s’ iconic water guns, Sebastian was shocked to not find any decent models anymore when he was preparing for a rubber boat party in 2015. Disappointed about the state of the industry, he started working on his own vision of a great water gun on nights and weekends.

When the first prototype was built a few months later, Sebastian decided to put everything on one card. He quit his job as a product designer at a German car manufacturer and set out to build the best water gun in the world.

In total, it took more than two years and six generations of prototypes to arrive at a pre-series, feature-complete design prototype of Spyra One. The next step is clear: series production of the Spyra One – with your help.

The modern water gun was invented by NASA engineer Lonnie Johnson in 1990. After two years of developing the Spyra One, we know why: Making water bullets fly through air is, literally, rocket science. Small amounts of accelerated water shot through air are subject to water turbulence and air resistance. The result: spraying.

To achieve Spyra One’s range and precision, it was necessary to optimize the valve-nozzle system for laminar flow. This was Dominik’s job: the Air and Space Engineer tested countless nozzle shapes, over and over again, in our own 9-meter-long test channel.

Rocket Scientist Dominik implementing a new test setup
Rocket Scientist Dominik implementing a new test setup
Turning of differently shaped water gun nozzles
Turning of differently shaped water gun nozzles
Setup of the nozzle at the test channel
Setup of the nozzle at the test channel
Testing a nozzle in Spyra's shooting channel
Testing a nozzle in Spyra’s shooting channel
Measuring range and spread of the water bullet after 8 meters
Measuring range and spread of the water bullet after 8 meters

Building a water gun in 2018, we can make use of electronics that would have cost a fortune back in the 1990s. The possibilities opened up by modern electronics and software engineering enabled us to implement central features like the integrated pump, the digital display counting your water bullets and a highly efficient electronic trigger-valve system. All of those drastically improve performance and take up less space than their mechanical equivalents.

Arduino-controlled first garage-built prototype
Arduino-controlled first garage-built prototype
Soldering the circuit board for a 2018 prototype
Soldering the circuit board for a 2018 prototype

To maximize the fun you can have with a water fight, range was important but not by far our only focus. We asked around and found that the biggest pain points in previous water guns were #1, cumbersome screwing and refilling and #2, endless, biceps-wracking pumping to build up pressure.

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An integrated, electronic pump that auto-refills and auto-pressurizes was therefore a must-have for the Spyra One. We tested for pumping speed, sound emissions, and battery efficiency, and ended up with a great pumping system. Watch how Sebastian demonstrates the convenience achieved by Spyra One’s pump-tank system in our final prototype: Auto-refill and constant pressure, with no pumping at all.

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Since Spyra One is electronically controlled anyways, it was only logical to use that to your advantage with a status display. Now your water gun always tells you exactly how many shots are left in the tank. It’s great for strategic gameplay – and honestly, it’s just pretty cool.

An early prototype of the digital display
An early prototype of the digital display
Testing the display in the final prototype during refill
Testing the display in the final prototype during refill

We did not test in the lab alone. You – the community – were with us from the start: as roommates who indulged our endless messing with water in the apartment …

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