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Project 4X EVO 1/10 EP (SER400031)
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Project 4X EVO 1/10 EP (SER400031)

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Project 4X EVO 1/10 EP The Project 4X EVO touring car has a unique and proven design, in which the suspensions works in a very effective different way, with an extremely low center of gravity, very easy to work on and very durable. Easy to drive and lightning fast!

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  • US$630.00
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  • Weight
    6 lbs
  • SKU
    SER400031

2016-2017 IFMAR World Championship 3rd place
2016 EFRA EC A-main finalist, 2017 Multiple ETS A-main finalist

Main new 4X EVO items
Vertical top-deck for less tweak

Chassis plate carbon with better flex characteristic

Bigger heave dampers with more oil and larger shock-springs

Motor mount with better flex control

Updated bumpers for access and performance

Linear pull rods system for improved steering

Lower mounting point for RRS links

Main front and rear brackets in a stronger construction

Fixed length molded pull rods for ease of use and perfection

Improved centre shaft holders

Bladeless front spool

Serpent designer David Ehrbar and Serpent are very proud to be able to release this new innovative and high performance 4X EVO car to the market.

As the car is so different, Serpent will spend even more time to prepare information on assembly, set-up and maintenance of the Project 4X EVO car, in text, images and video, to help you to learn and understand the concept and unleash its full potential faster. Although at first the Project 4X EVO car may look a bit complicated, after some explaining, you will soon understand it’s actually quite simple and really easy to work with. But the main advantage is that it is very easy to drive and at the same time lightning fast. Innovation Performs. The Serpent Project 4X EVO is here!

Overview of the main specs
- Separate roll and heave motion in the car to make set-up easier and more precise
- Small and light roll dampers front and rear that need only small amounts of oil, with through rod piston systems so no membrane is needed
- Larger heave damper with more oil and bigger springs
- Dampers include machined pistons for best possible consistency
- Good selection of heave and roll springs
- Anti-roll bar function integrated in roll damper/springs
- Easy and fast to change / replace the whole damper units
- Front and rear end are almost identical, so less spare parts needed
- Pivot ball suspension with small balls for simplicity and free movement
- Easy diff and spool removal
- Extremely low center of gravity
- Reversed steering system for better Ackermann geometry
- Motor holder with right flex
- Re-Active rear steering RRS system is standard
- Ball raced mid-shaft holders allow easy maintenance and changing of spur gears
- Molded pull rod activated system with rockers to activate the dampers
- Same heave damper front and rear which is mounted below the diff/spool just above the chassis for lowest possible center of gravity
- Durable and smooth gear differential
- Battery mounting system allows reposition the battery more front or rear
- In case of shorty Lipo's are used, the Lip can be positioned in 3 ways
- One screw ride-height adjustment from chassis side
- Lightweight front aluminium spool with hardened steel outdrives, bladeless
- Carbon fibre chassis in 2mm as standard
- DJC system in the front made out of spring-steel prevent wheel chatter and rear regular cvd’s made out of 7075 T6 aluminium save weight
- One short and one longer Kevlar reinforced drive belt and super true running pulleys, midshaft pulleys made out of hard anodized aluminium for maximum durability
- Concept and design by Serpent Designer David Ehrbar from Germany

General
High performance 4wd touring car with an extremely low centre of gravity and a unique suspension system which separates roll and heave set-up. This combined with a well proven transmission system and overall Serpent quality and engineering solutions.

Suspension
In the 4X EVO car the heave and roll of the car operate and are set independently. The front and rear end of the car are almost identical in design and share many of the same parts front and rear, so you need less different spares.

Heave damper
There is one heave damper in the front and one in the rear and they work in the same way. The heave damper is located just above the chassis to lower the centre of gravity. Molded pull rods which are connected to the upper arms link to the rocker system. The rocker system is connected through a swivel unit to the heave damper and roll damper unit. The bigger heave damper now has more oil inside and works with foam for compensation. The shock springs are now larger in diameter and more effective. Different oils and springs can be used for setup work, influencing mainly bump and on-throttle/off-throttle transitions. It is easy to access from the bottom of the chassis.
The ride height is set with a simple one screw setting in the chassis, both front and rear.

Roll damper
The roll damper unit consist of an oil body for dampening with a through shaft and has a small spring on each side. This unit controls the roll of the chassis; it works as an anti-roll bar.
Different oils and springs can be used for setup work. The whole unit comes out after releasing just 2 screws. One can have complete roll damper assemblies ready to change settings in seconds.

Motor mount
Extremely low 7075 T6 aluminium motor mount which doubles up as connector for the midshaft holders, connection for the RRS system, holder for the alu stiffener and connector to the central brace, all-in one.

Gear differential
The nicely shaped gear differential features molded internal gears which makes it super smooth. The compact and light unit holds a good amount of oil to deliver consistent performance throughout the run. It is fast and easy to take out and re-mount the differential.

Front spool
The coated aluminium front spool with lightened spring steel outdrives is a bladeless type which ensures superb handling and durability throughout the race. It is fast and easy to take out and re-mount the spool

Transmission
The transmission system consists of large diff and spool pullies and efficient low friction belts. The light centre shaft pullies are durable coated aluminium units.
Mid shaft section
The ball raced durable hollow spring steel mid shaft holds the 2 pullies as well as the spur in place. The assembly is super easy to build and maintain. The aluminium midshaft holders are same left and right.

Chassis
Carbon fibre chassis in 2.0mm thickness. Countersunk holes and designed to have equal flex left to right. The screws to set ride height are adjusted from the bottom of the chassis with just one screw in front and one in the rear with a simple and effective mechanism to adjust the ride height.

Top deck
The topdeck consist of 2 vertical mounted carbon braces mounted to the front and rear brackets with 2 additonal supports on the centreline. The additional supports can be used or not, as to influence flex / torsion. The topdeck is an important feature to limit the tweak of the car in crashes.

Battery mounts
State of the art battery mounts made in aluminium and carbon fibre and allow positioning the battery more to the front or backing and securing it well in place. Shorty lipos can be placed centered, in front or rearward position.

Floating servo mount
The servo mount is a combination of a carbon brace and aluminium posts. The carbon brace is bolted to the central brace and does not touch the chassis to prevent any flex influence.

Steering system
The ball raced aluminium steering system consists of an inversed lever system to better control the Ackermann setting. The angle difference between the inside and outside wheel is a lot more linear than in conventional designs.

Drivetrain
In the front the 4X EVO features durable spring steel double joint cardan shafts, combined with the blade type spool.
In the rear lightweight coated aluminium cvd style dog bones are used with durable spring steel wheel axles.
Both front and rear wheel hexes are a lightweight aluminium design

Steering blocks / uprights
In the front and rear the same steering blocks/uprights are in use. The pivot ball system allows for easy and quick set-up changes and works very smoothly. In the front there are 3 Ackermann positions and shimming below the steering rod can be used for fine tuning of the bump steer characteristics. In the rear the system allows to set Reactive Rear Steering. This RRS system allows for a change of toe-in while the suspension compresses and thus increases corner speed.

Wishbones / pull rods / rockers
The lower wishbones are the same front and rear and the same goes for the upper arms.
The lower arm mounts of 2 short pivot pins and the mounts have a lot of space to play with wheelbase by using clips. The lower arms also feature 2 down stop screws front and rear.
The upper wishbones allow quick caster changes with clips and run on an easily removable long pivot pin.

Rocker and pull rods system
The pull rods connect to the upper arms and operate the ball raced aluminium rocker system which activates the dampening systems for heave and roll action. All track rods are made in coated lightweight and tough 7075 T6 aluminium. The pull rods are molded version and 5 fixed lengths are included: 19, 19.5, 20, 20,5 and 21, 20 is default.

Aluminium upper hinge pin holders and alum stiffeners
The assembly is split in 2 sections to allow for easy maintenance and change of settings. The inner top brace connects both sides and creates a very strong structure preventing tweak. The top brace is connected to the lower brackets with alu stiffeners. These stiffeners can be easily removed in case more flex is needed. The assembly rest on roll centre spacers. To add additional shims for changed camber gain and roll enter is a simple and quick setting.

Bumpers and body mounts
In the front a strong bumper-set using a large size but light foam bumper which is sandwiched between the lower composite bumper and upper graphite holder. The flexible moulded body posts with swivel-system go all through. Optional body height systems are available.

In the rear the lower bumper will prevent damage to the rear of the 4X EVO and the moulded body posts with swivel system mount on a thick and stiff carbon plate, which is part of the strong rear end assembly.

Decals
The kit contains a Serpent logo decal sheet and a Project 4X logo-sheet.

Ball-bearings
High quality, high precision lubricated long-life bearings made of hardened steel throughout.

Fasteners
High quality steel fasteners for durability. Minimised number of different screws for ease of assembly and maintenance

Manual
The full color manual is supplied on a nice carbon look USB stick and the latest version and updates can be downloaded from the Serpent website. The manual features an extensive assembly explanation as well as all exploded views. The exploded views are active, so when clicking a part number it will take you to the right part number in our website.

Set-ups
As set-up sheets a blank, a default and an editable pdf file is supplied and updates and set-ups from team drivers are online in our website, too
Video
Serpent is preparing some videos which show the key features as well as the key assembly steps and how to set up and maintain the 4X EVO.

Project 4X EVO car design
The Project 4X EVO is a unique and innovative racing car. It’s very different design requires the driver to take time to learn the dynamics of the car and fully understand its features. Once understood, it is not more complicated than any other racing car.

Optionals
The range of optionals for the 4X EVO car is small as Serpent made the car top level racing ready.
Key optionals are the different springs used in the heave and roll damper, the lightweight/flex chassis plate, stiffeners and body height adjusters.

Needed to complete the car:
Body, body paint, radio equipment, speedo, motor, tyres/wheels, battery, tools, thread lock.

Serpent Performance Team

  Visit our Online Brochure  

  • Brand:
    Serpent
  • Product Type:
    Electric Cars > 1/10 190mm:
  • Car:
    Project 4X EVO #400031
  • Class:
    1/10th scale 190mm Electric
  • Purpose:
    190mm Competition touring car
  • Chassis:
    2mm carbon, CNC machined
  • Suspension:
    Seperated heave and roll system
  • Rear axle:
    Rear gear- differential with composite gears
  • Front axle:
    Front spool
  • Drive system:
    4wd through 2 kevlar reinforced timing belts
  • Shock absorbers:
    2 heave dampers and 2 roll dampers
  • Wheel base:
    254mm +/- 4mm
  • Track-width front:
    190mm + /- 6mm
  • Track-width rear:
    190mm + /- 6mm
  • Weight ( chassis):
    550 grams
  • Adjustability:
    Camber, Caster, Down-stops, Up-stops, Toe-in, Track width & Roll centres
  • :
    Full colour PDF instruction manual and reference guide on USB stick.
  • Instructions:
    Motor, battery, speed Controller, tires, body, radio equipment.
  • :
    promo.serpent.com
05-18-18Project 4X EVO manual12 MBDownload
03-23-18Serpent tools1 MBDownload
03-23-18Serpent catalog 2018-012 MBDownload
03-23-184X- gearing chart363 KBDownload
02-01-194X - EVO - Ehrbar - Longwy D - 20195 MBDownload
02-01-194X - EVO - Ehrbar - DHI CUP S - 20194 MBDownload
06-07-184X-EVO - Set-up - editable1 MBDownload
06-07-184X-EVO - Set-up - blank1 MBDownload
04-19-184X-EVO - Wilck - DHI CUP SWE - 20181 MBDownload
04-19-184X-EVO - Wilck - Yatabe JP - 20181 MBDownload
04-19-184X-EVO - Wilck - Daun GER - 2018 1 MBDownload
04-19-184X-EVO - Stadler - Hrotovice SWE - 20181 MBDownload
03-20-184X-EVO - set-up - default4 MBDownload
03-20-184X-EVO - Ehrbar - Daun7 MBDownload

Hugo Miguel and Serpent 4XEvo 2019 Portuguese Champions! (09/09/2019)

Hugo Miguel and Serpent 4XEvo 2019 Portuguese Champions!

5th and last race of the year at Coimbra track. Sunny weather mid 30's tq'd four round of qualifying. Won 2 finals!

4X EVO behaved well since last year. 2 championships in a raw! 2018 and 2019!

The first F1 cup champion Paulo Bartolo driving SF4, took the win on the last round and brought the cup home!
Perfect weekend and amazing season!

more >>>


01/16/2019 DHI Cup 2019 Odense

11/13/2018 Viktor Wilck TQs and Wins Sunpadow GP in Xiamen

09/23/2018 Diego Locatelli wins RC10 cup with Serpent 4X EVO

09/12/2018 Hugo Miguel wins 2018 Portuguese Nationals with Serpent 4X EVO

04/13/2018 Spain: Barros joins Team Serpent with 4X

04/12/2018 Austria: Sascha Klug joins Team Serpent - 4X

03/19/2018 Designer interview with Ehrbar on 4X-EVO

All the News

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