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Home » Categories » Kits and Parts » Viper Kits and Add-Ons

FingerTech 'Viper' Combat Robot Kit
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FingerTech 'Viper' Combat Robot Kit
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Vipers will be shipping with 0.50" thick wheels/hubs until the 0.75" thick ones arrive late November.
If you've added the Charger option, we will hold the order until chargers arrive late November.
Once this batch runs out more will arrive sometime in December.

The Viper Combat Robot Kit comes with everything you need to get started in combat robotics.
- The custom-formed 6061-T6 Aluminum chassis has plenty of strength and space for additional components and upgrades.
- A 6-Channel radio transmitter and receiver pair leaves four channels free to add any active devices you desire.
- Two FingerTech "Silver Spark" 33.3:1 ratio gearmotors with 2.25" Snap Wheels provide both speed and pushing power.
- Two FingerTech "tinyESC" speed controllers translate the radio receiver commands into motor movement and provide 5V power to the radio.
- Polycarbonate combat armor keeps the components safe.

The Viper kit is fully intended to be sawed, drilled, modified, and upgraded. Recommended for ages 10+ (6+ with a parent).
Its base weight is only 313grams (11.0oz) leaving:
• 141grams (4.97oz) for additional parts if entering the Antweight (1lb) weight class
• 1049g (37.0oz) if entering the Beetleweight (3lb) weight class. (The Viper is mainly run in the Antweight 1lb class)

These add-ons fit right onto the existing Viper robot chassis - no machining or soldering required!

Viper Lifter add-on

Take your Viper Combat Robot kit to the next level by adding a powerful servo-actuated lifting arm!

Viper Spinner add-on

Add a vicious horizontal spinner weapon to your Viper Combat Robot!

*Transmitter and receiver are required. If you already have them, you can say "No" to the Radio Option below.
Body Width: 16.5cm (6.5in)
Length: 14cm (5.5in)
Body Height: 3cm (1.18in)
Weight: 313grams (11.04oz)

Kit Includes:
Chassis: 15gauge (1.45mm / 0.057in) 6061-T6 alloy Aluminum stamped and formed baseplate (pic). Has mounting holes for motors, armor and add-on kits.
Motors: 2x 33.3:1 Silver Spark Gearmotors
Motor Controllers: 2x tinyESCs translate the radio commands into motor movement and power the receiver.
Wheels: 2x 2.25x0.75" Snap Wheels are soft and grippy.  A direct hit will be absorbed and won't destroy your motors!  Includes 3mm x 0.75" Snap Hubs and Snap Ring Pliers.
Battery: Rechargeable 7.4V 300mAh "Galaxy" lipoly pack.
Power Switch: A Switch/charge jack that you unplug to turn on. Comes pre-soldered with a female JST connector and includes a pair of Mini Terminal Blocks for making wiring connections.
Plug has male JST end for easily recharging the lipoly battery.
Armor: 3mm (0.118in) thick front wedge and 1.5mm (0.059in) top armor made of high-strength polycarbonate (pic)
Screws: Four 2-56x0.125" screws for mounting the motors. Ten 6-32x0.25" screws for fastening armor.
0.05" and 5/64" hex wrenches included for tightening screws and setscrews.
Instructions: Detailed instructions with many pictures and tips for getting more from your robot. (Download here)

Transmitter and receiver are required. If you don't have them already, you can add them with the option below.
-"Radio option" includes: T6A Radio Transmitter, TR6A receiver
-"Charger option" includes: Lipoly charger, Power Supply
-Transmitter requires 8 AA batteries.
-An optional programming cable can be used to reprogram the functions on the transmitter.  Viper radios come programmed for mixed driving (most common) but if you prefer tank-style 2-stick driving you will need to reprogram.
-One or two 9V batteries (two doubles run-time). We recommend Duracell Procell (PC1604) for over two hours of run time and bursts of 12A (using 2 batteries). Procell's can run a HXT12K servo at 1.5A continuous (while driving) for well over 15 minutes.  (Robot matches are 3 minutes each.)
July 17, 2015 Upgrade: The Viper Combat Robot Kit now comes standard with a rechargeable 7.4V Lipoly battery! This changes some of the kit specs, so old specs will be shown in (red).  We have a few of the 9V version left - make a note if you would like this version.
15 Product Reviews - Average rating 4.9 / 5 (Show All)

Click to review this product

Couldn't be happier with the Viper!

- 02nd January 2018

I built 1 Viper kit with my 5-year-old boy over the past few days. It took a total of a few hours from start to finish, including painting the front wedge, learning how to program mixing in the HK-T6A, a few goofs (crawling around the garage floor looking for 2 lost screws that were in the chassis all along), letting the boy do some of the work, etc.

The build was a bit too advanced for my son--I'm not sure at what age this kit would be appropriate for a child to build.

As an experienced & handy adult, working alone, I think I could build one in only 1 hour. I've never built something so cool so quickly & so easily. (We bought 3 kits; #2 & #3 should be a snap to assemble.)

Fabulous kit all around, great manual, great support from FingerTech!

We couldn't be happier. This is an extremely slick, organized, tidy bot.

We are looking forward to adding the child-friendly lifter kits later, after we have mastered driving & wedging.

love it

- 23rd October 2017

My 11 year old built this himself. it works great

Good even for non-techies

- 15th October 2017

I'm not a super tech oriented guy, but my 13 year old son and I were able to get it together with him doing almost all the work. For a few minor problems customer support was super helpful with suggestions and prompt response on e-mail.

A starter kit with legs

- 26th August 2017

I bought this kit and the lifter mech and have at long last gotten to a couple contests. It is easy to build and work with. It can take a beating from a drum spinner and keep on going. There is plenty of room to modify it and the learning experience from using a kit is great. I make my living with electronics but not having to calculate everything from the bolts up to be sure you have everything correct makes it easy for anyone new to get going.

Great to start with

- 26th June 2017

This a great starter. Soon I will be purchasing the add on for it. It took my grandson and hour and a half to put together but he took his time and got it right. It is great gift. He is enjoying it. I also like to play with with it

Great Introduction to Combat Robots

- 13th February 2017

I bought this for my 10-year old son that wanted to build combat robots. Not being electronically or mechanically talented, I purchased this for him, and he was extremely pleased. The instructions in the kit are very detailed and easy-to-follow, and the quality is excellent. This is a perfect way to start building combat robots without having to start completely from scratch.

Click to review this product

Lipoly Low Voltage AlarmLipoly Low Voltage Alarm - 7.43 CAD
• No need to worry about a lipoly battery becoming over-discharged and irreversably damaged!
• Accurate and easy to use, this Battery Monitor will give a warning buzzer when the lipoly pack drops below 6.6V (for 2S) or 9.9V (for 3S).
FingerTech 'Viper' Lifter Add-OnFingerTech 'Viper' Lifter Add-On - 57.66 CAD
• Take your Viper Combat Robot kit to the next level by adding a powerful servo-actuated lifting arm!
• Add a powerful servo and lifting arm to lift and topple your opponents.
• Mounts on the existing Viper Combat Robot
• No soldering required!
FingerTech 'Viper' Horizontal Spinner Add-OnFingerTech 'Viper' Horizontal Spinner Add-On - 54.50 CAD
• Add a vicious horizontal spinner weapon to your Viper Combat Robot!
• High-speed brushless motor and controller plus a FingerTech Blade Hub.
• Mounts on the existing Viper Combat Robot. (Requires modifying the original plastic armor, or buy a new set here: Horizontal Spinner Armor Set)
• No soldering required!
  (Blade not included. Shown with Titanium 6-inch Weapon Blade)
Add Radio Option? NoYes (+61.49 CAD)
Add Charger Option? No(Out of stock until ~Nov 28) (+47.97 CAD)
Price: 198.20 CAD
150.37 USD 132.53 EUR
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