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Cobra GT 3.1  1/8 EP (SER600051)
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Cobra GT 3.1 1/8 EP (SER600051)

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Serpent Cobra GT 3.1 1/8 EP Serpent introduces the updated version of the Cobra GTE. The Cobra GT is a very popular choice in this class with superb performance and being known as a very durable car too. Time to add some extra refinement. The Cobra GT is sensitive on the shock-angle and position both front and rear and that have been fine-tuned even more. The new version aluminum shock extensions in the front and rear are a bit longer than before, as testing showed a good increase in handling. The new super-durable carbon fibre shocktowers and new upper hardcoated alu shockmounts make things perfect. The Cobra GT 3.1 version gets the most popular shock springs as standard, and same goes for the ball raced anti-roll bars and shock and diff oils.
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  • Weight
    5 lbs
  • SKU
    SER600051

Serpent Cobra GTE 3.1
1/8 4wd details

The Serpent Cobra GT is the most popular brand in GT racing and its performance is proven by many big racewins in the highly competitive race scene for GT’s . The Cobra GT 3.1 is the latest development stage of the electric powered Cobra GTE platform, which is running successfully for over 6 year with very small changes only. Below we show the key updates to the GT to continue its strong performance and famous durability.

The Cobra GTE is a combined design effort by Billy Easton and Michael Salven, in cooperation with our German and USA team.

Explaining the new features

New alu shockabsorber risers front and rear
The durable machined alu shock-risers front and rear allow for a more onroad aimed angle of the shockabsorber creating more overall grip and more predictable cornering.

New carbon shocktowers front and rear
The new 4.5mm lower carbon fibre shocktowers also accomodate the new shock angles, with a choice of 5 holes for further fine-tuning.

Harder silver front and rear black GT8 springs for the big bore shocks, to handle the higher speeds and have less lean / chassis roll in the fast corners and more overall grip.

Harder anti-roll bars 2.3 front and 2.7 rear to handle the higher speeds and have less lean / chassis roll in the fast corners and more overall grip.

Servo saver hard: for faster steering response and a more direct steering feel.

Solid center axle replaces the previous center differential. The solid axle in the center improves accellerations, has less weight/rotating mass – lower inertia, and is more easy on maintenance.

Overall features / specs


Chassisplate
Chassisplate in 3mm 7075 T6 aluminium , with machined pockets to create flex and or make lighter. Kick-up angle on front as need due to the race-rules. Countersunk holes. Slots to locate the front and rear suspension mounts precisely. Angled sides to increase stiffness Laser engraved Cobra GT logo.

Bumper
Captured foam bumper set, with wide foam bumper and strong upper and lower bumper-plate.

Chassis stiffners
Composite stiffner front and rear, to give extra stiffness, but still allow some flex as needed.

Radio-box
Composite radiobox which offers space for the up-right steering-servo, the receiver and sufficient space for the speed-controller. The whole assembly including linkages can be taken off easily and fast in one go, when cleaning the car, or doing maintenance.

Battery trays
The main eyecatchers are the extremely low laydown longtudinal placed battery-packs at each side of the car, being part of the side-guards, securely fastened with a flip-lid, for easy and fast battery changes. The weight low in the car and in the right position, well balanced. The Lipo holders comply with ROAR legal packs / dimensions.

Servo arms and linkages
The servo arms have a splined insert to have the right fit per brand. The linkages runs very clean and tight and are easy to access to modify settings.

Suspension brackets
Beautifully machined 7075 T6 suspension brackets in anodized, laser angraved. Pecision fit for the nylon roll center inserts and pivot balls / pins. The GT 3.1 front suspension brackets make the pivot-pin and lower arm more horizontal, which improves handling and steering.

Steeringblocks assembly
Composite steeringblocks combined with 10 dgr C-hubs for precise steering. Spring steel wheel-axles with large size bearings 8x18x5 and 15x21x4 with precision threaded aluminum wheel-hubs with +3 offset . Flanged wheel nuts to guarantee that you will not loose a wheel nut in a race.

Front suspension
Durable oversized lower suspension arms in strong composite nylon. On the lower side the special downstops screws are mounted. The lower shock-mounting pins are secured with a small grubscrew from the bottom.

Front anti-roll bar
The ballraced front anti-roll bar system, consist of a spring steel bend wire, which is guided through the diff-cases and run in ballraced steel adaptors. The wire is linked to the lower suspension arm, with a captured adjustable threaded pivotball, for very precise and low friction operation.

Shocktower and bodymounts front / alu shock-risers
new 4.5mm thick carbon shocktower with 5 upper positioning holes for the shocks and and 6 holes for roll-center positions. 1 centrally located adjustable bodymount , and 2 forward mounted adjustable bodymounts, all with flip-tops. The durable machined alu shock-risers in front allow for a more onroad aimed angle of the shockabsorber creating more overall grip and more predictable cornering.

Angled steering system / servo saver
The bell cranks are angled to reduce the angle of difference between the total caster and steering plane. Therefore you will have less bump steer and a truer steering Ackerman through the entire range of suspension

Ackermann plates
With the design of the steering bell cranks when changing the Ackermann you will not need to adjust your steering tie rods. You simply will only need to adjust your end points on your radio..

Rear suspension arms
Durable oversized lower suspension arms in strong composite nylon. On the lower side the special downstops screws are mounted. The lower shock-mounting pins are secured with a small grubscrew from the bottom.

Rear uprights assembly
Alumnium, black anodised and laser engraved uprights with 3 upper roll-center positions. Strong steel track-rods with L/R threading and strong balljoints to pre-set camber. Spring steel wheel-axles with large size bearings 8x16x5 and 13x19x4 with precision threaded aluminum wheel-hubs with +3 offset . Rubber dustcovers in the rear to protect the cvd system and keep the lubrication inside. Flanged wheel nuts to guarantee that you will not loose a wheel nut in a race.

Rear anti-roll bar
The ballraced front anti-roll bar system, consist of a spring steel bend wire, which is guided through the diff-cases and runs in ballraced steel adaptors. The wire is linked to the lower suspension arm, with a captured adjustable threaded pivotball, for very precise and low friction operation.

Shocktower rear / alu shock-risers
4.5mm thick carbon shocktower, integrated into the rear section for extra stiffness, with 5 upper positioning holes for the shocks and 6 holes for roll-center positions. The durable machined alu shock-risers in the rear allow for a more onroad aimed angle of the shockabsorber creating more overall grip and more predictable cornering.

Wingmount and bodymounts rear
Composite rear wing, with strong nylon adjustable rear bodymounts on wide body-support bridge located far enough to the rear, to support the bodies in best way.

Captured pivot pins and balls and bolted hinge pins
All spring-steel hinge pins are either captured or bolted in place and made in spring-steel quality. This insures your chances to finish an hour long main event, while battling for the lead. This relieves stress on the hinge pin when adjusting the kick up, or anti squat. Your pin is free to rotate to any angle without binding.

Shockabsorbers big-bore 16mm
Hard Teflon coated threaded shockbodies with 4mm shock-rods. Black anodized aluminium screw on shock-tops with Serpent laser engraving. Pre-load adjusters with o-rings inside. Shocks use large diameter membrames and large diameter o-rings and bushings to create a supersmooth and leak-proof package. Large diameter pistons are held in place by a nut on the polished shock-rods tops. Open type spring retainer to let dirt out easy.

RCM shock springs
Short type colorcoded shock springs are supplied for the 1st standard set-up Springs are grinded flat top and bottom, and checked individually for tension and length.

Compact geardifferentials
Very compact gear differentials with very smooth metal sintered gears, and steel shaft. Perfect sealing case with special gasket and o-rings. Very light and durable outdrive cups in spring-steel. Hardened spring-steel diff-coupler 13T with connector running in 2 oversized bearings 8x19x6 and ballbearing-13x19x4.

Center solid axle for better acceleration / lower inertia.

Front and rear cvd-sets
Both front and rear captured driveshafts are being used with CVD system. Durable yet light spring steel engraved driveshafts with hard steel pins.

Spring steel transmission parts
The front and rear thin but strong spring steel cardan shafts connect the differentials with the gearbox section.

Motor mount
Machined 7075 T6 aluminium motor-mount with one-screw fixation and easy slider system. Flex-free and very strong motormount. The space for the motor allows a maximum motor-length of 68mm, which covers most widely used motors.

Oils and grease
The shock-oil, diff oil and some grease is supplied to meet the standard set-up.

Manual and set-up
Full color online manual and USB stick version with easy to follow assembly steps, exploded views for easy spares ordering, a blank and standard set-up sheet for a good start set-up.

Decals
Black and white promo body-decals ; Serpent generic and Cobra GT ones.

Packing
Parts are packed according to the steps explained in the manual.

Service and Support
The Serpent distributor, dealer or agent is your source for more info, but also the Serpent website, Facebook-sites and the Youtube channel provides lots of information.

Needed to complete the car
- radio and receiver
- electric motor
- speedcontroller
- Lipo battery packs x 2
- wheels and tyres
- body and wing
- paint

Serpent Innovations

  • Brand:
    Serpent
  • Product Type:
    Electric cars > 1/8 onroad:
  • Class:
    1/8 scale 4wd GT -e
  • Purpose:
    high end competition
  • Suspension:
    fully independent
  • Drivetrain:
    cardan shafts, 2 gear diffs, center solid axle
  • Shocks:
    RCM shocks with membrame
  • Wheelbase:
    328mm
  • Width:
    305mm
  • Manual:
    USB stoick-pdf full color with all assembly steps and exploded views
  • :
    2 sheets
  • :
    body, radio equipment, speedo, motor, tyres-wheels.
  • :
    http://promo.serpent.com/gt3ep/
07-16-18Parts list GTE 3.113 KBDownload
06-19-18Shockspring chart108 KBDownload
06-19-18Serpent tools PDF1 MBDownload
06-19-18Cobra anti-roll bars sheet1 MBDownload
06-19-18Cobra GTE 3.1 manual9 MBDownload
06-19-18Cobra GTE 3.1 - Setup default1 MBDownload
06-18-18Cobra GTE 3.1 - Setup edit1 MBDownload
06-18-18Cobra GTE 3.1 - Setup blanck1 MBDownload
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