Serpent Cobra 811 Nitro-Powered Buggy Sport

Cobra 811 Buggy Sport 1/8 GasPowered The Sport version of the successfull high end Serpent 1/8 Cobra 811 Buggy. 4-wheel-drive, 3 geardiffs, raceclutch, 16mm bigbore shocks, aluminium shocktowers and chassis, easy radiobox, sideguards, rear wing. Fully upgradable with parts and options from the high end race-version. This super durable Buggy chassis allows a great entry in the racing scene, at a lower cost, and will make you finish your races!

Features
Chassis Plate
Chassisplate in 3mm 7075 T6 aluminium , with machined pockets to create flex and or make lighter. Kick-up angle on front for easier landings. Countersunk holes. Slots to locate the front and rear suspension mounts precisely. Angled sides to increase stiffness. Open pockets to access flywheel. Laser engraved Cobra logo.

Bumper
Large rounded nylon bumper that withstands impact after large jumps, and makes landing more suttle. Protects also the front swaybar assembly and front suspension brackets.

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

Central Disk Brake System
Very low and centrally placed brake system for low centre of gravity with glassfibre brake disks, combined with thick steel plates which wont bend under pressure.

Radio Box
Composite radiobox which offers space for the lay-down steering servo and the upright placed brake-throttle servo. Sufficient spacers are supplied for correct fitting of the servo’s. The receiver and battery can be placed safely under the large cap. The transponder can be mounted in the central part, between servo and receiverbox. The whole assembly including linkages can be taken off easily and fast in one go, when cleaning the car, or doing maintenance.

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
Durable nylon suspension brackets. Precision fit for the nylon roll center inserts and pivot balls / pins.

Steering Blocks Assembly
Composite steeringblocks combined with 10 dgr C-hubs for precise steering. Steel wheel-axles with large size bearings and larger inner with precision threaded aluminum wheel-hubs. Flanged and serrated 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 sidel downstops setscrews 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.

Front Shock Tower and Body Mounts
4.0mm thick anodized aluminum shocktower with 3 upper positioning holes for the shocks and and 5 holes for roll-center positions. 1 centrally located adjustable bodymount , and 2 forward mounted adjustable bodymounts, all with flip-tops.

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 Ackerman 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 downstops set-screws are mounted. The lower shock-mounting pins are secured with a small grubscrew from the bottom.

Rear Uprights Assembly
Composite uprights with 3 upper roll-center positions. Strong steel track-rods with L/R threading and strong balljoints to pre-set camber. Steel wheel-axles with large size bearings 8X16X5 (2) and 15x21x4 (2) with precision threaded aluminum wheel-hubs with XX offset .Flanged and serrated 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.

Rear Shock Tower
4.0mm thick anodized aluminum shocktower, integrated into the rear section for extra stiffness, with 3 upper positioning holes for the shocks and 5 holes for roll-center positions.

Rear Wing Mount and Body Mounts
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 steel hinge pins are either captured or bolted in place. 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.

Shock Absorbers Big-Bore 16mm
Ccoated aluminum shockbodies with 4mm shock-rods. Black anodized aluminium screw on shock-tops. Pre-load adjusters with nylon spacers. 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 Gear Differentials
Very compact gear differentials with very smooth metal sintered gears, and steel shaft. Perfect sealing case with special gasket and o-rings. Very durable outdrive cups in steel. Hardened spring-steel diff-coupler 10T with connector running in 2 oversized bearings 8x19x6 and 13x19x4

Front CVD-Set, Rear Dogbone Style
Both front steel riveshafts are being used with CVD system. Durable steel driveshafts with hard steel pins. In the rear a dogbone type system is applied.

Strong Steel Transmission Parts
The front and rear steel cardan shafts connect the differentials with the gearbox section.

Engine Mount
Machined aluminium engine mounts for a stable engine mounting .

Coil Exhaust Wire and Aluminum Mount
The tuned pipe is securely fastened with the coil spring and alumium holder. Helps aid in the front to back movement of the pipe when chassis flex occurs. Helps to prevent damage to your exhaust gaskets.

3-Shoe Clutch
Full carbon 3 shoe clutch-set with medium type springs. Easy to assemble with light and durable anodized aluminum flywheel.

125cc Fuel Tank
Composite nyon fuel-tank with supersealing springloaded shock-cap, bronze sintered clunk type filter and splash-side guard. Side features slots to mount the supplied tube-guiders. Tank mounts to chassis on longer composite posts with integrated rubber buffers to allow some movement and reduce fuel-foaming. The clunk system will allow the engine to continue running when the car is up-side-down.

Low Profile Air Filter
Centralized air filter design to minimize cab width and height. Flexible rubber boot combined with strong nylon case to support the foam elements. Excellent dense foam airfilter elements to keep your engines clean inside.

Body
Sleek, low style polycarbonate buggy body, with lines provided for cut out for engine and tank.

Rear Wing
Large rear wing in durable nylon with good downforce and speial shaped for best airflow over and through the wing.

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 manual 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 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 and the member section and the Youtube channel provides lots of information.

Needed to complete the car
– radio and receiver
– rx battery pack
– engine and pipe system
– wheels and tyres
– fuel

Upgrading the Serpent Cobra Sport Buggy
All the regular parts and the option parts of the race version of the buggy also fit this Sports-buggy. This Sport buggy can also handle higher level racing fors ure, but to be even more constant and faster some optionals will help. So you can select the sections which you like to upgrade step by step. Start with shock springs and anti-roll bars, which together with other diff-oils and shock-oils and tyres, will already offer a good tuning range.

[source: www.serpent.com]