The Serpent Viper-EVO could be the next step into the continiuous growth of this very demanding 1/8 scale racing class, the pinnacle of rc vehicle racing. The Viper 977-EVO is focused on refinement, to create an excellent vehicle better yet. A completely adjustable battle framework to the latest spec and technology. Lighter, stronger, new geometry, more tuning features.
Specifications:
- Course: 1/8th scale fuel on-road, IFMAR rules
- Purpose: High-end competition
- Weight: 2.420kg (dependent on radio gear)
- Track-width rear: 260mm - 266mm
- Track-width front side: 250mm - 260mm
- Wheel base: Adjustable 296 - 300mm +/-1.7mm
- Not included: Engine, pipeline, human body, radio equipment, tires, tires, battery pack
- Chassis: 5mm 7075 aerospace quality aluminium
- Broadcast dish: 2.5mm carbon fiber,
- Suspension: Independent increase wishbone suspension
- Shock absorbers: RCM surprise absorbers
- Gas tank: 125cc design
- Back axle: Solid rear axle
- Front axle: Aluminium front side axle with one-way bearings
- Gearbox: Lightweight 2-speed XLi8
- Clutch system: Centax true movement clutch system
- Guidelines: complete color instructions on the web / PDF
- Adjustability: Camber, Caster, Down-stops, Up-stops, Toe-in, Track width, Wheel base, Front & back roll centre
Features:
- 2-speed gearbox SL8 XLi with superlow inertia
- Composite 2-speed gears with 0.8 pitch
- Centax hardcoated alu clutch gears with 0.8 pitch
- Aluminium chassisplate in 7075 T6 with optimised flex and weights slide
- carbon fibre 2.5mm radioplate with aluminium mid-flex system
- aluminium central flex system with bearings
- front bumper with inserts
- brand new geometry with narrower front end
- improved back bodymount
> Viper 977 EVO 1/8 GP 4wd (#903015)
> Description · News (7) · Specifications · Pictures (41) · Downloads (6) · Spares (178) · Optionals (86) · Setups (24)
Brand: Serpent
Product Type: Gas Cars > 1/8
Viper 977 EVO 1/8 GP 4wd 2013-2014 IFMAR TQ and World Champion, Japan Tadahiko Sahashi with Viper 977 Gaspowered toplevel racecar with 4wd, belt-drive, Centax true motion clutch, XLi8 gearbox, flex-system front and rear, brake on back axle, front one-ways, back solid axle, ballraced anti-rollbars. A completely adjustable battle framework towards the latest spec and technology. Lighter, stronger, new geometry, more tuning features. Design by Michael Salven
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> Description
Serpent Viper 977-EVO
1/8 scale fuel onroad vehicle
Serpent has been developing 1/8 scale onroad rc automobiles since 1977, officially as business since approximately 1980. That's over 35 years of of battle and development experience combined !
The Serpent Viper-EVO could be the next thing inside continiuous development of your extremely demanding 1/8 scale racing course, the peak of rc automobile race. The Viper 977-EVO is about refinement, to make a superb car even better. Willing to protect the 2013-2014 World Championship TQ and title by Tadahiko Sahashi from Japan.
Bodymount rear
Back floating bodymount
Extra ribs and more material is added to raise the tightness for the rear bodymount and a 4th opening is added both sides for lots more tuning choices
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is a very durable product, which as additional function offers detachable inserts. Its super easy and quick to try with or without inserts in a matter of seconds.
Central flex
Aluminium central flex system with bearings
The device include a lower and upper anodised aluminium section, linked with screws for zero flex, or with bearings inside for some controlled flex. It takes removal of only 2 screws to get from fixed to controlled flex.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The rigid carbon fiber radioplate is one piece once again with all the flex system moving towards center of vehicle, simply behind the tank.
Chassis
Aluminium chassisplate in 7075 T6 with optimised flex and loads fall
The chassisplate is a critical part as main product in car. The flex-characteristic is a major point, also weight stability with all the sliders we use as well as the dissipation of temperature from engine. The framework is narrower in front side to allow a slightly different geometry. 2 sets of front side lower pivotpins holders are included to alter the geometry, run it narrow or wide. Machining associated with framework permits flex in an alternative area as prior to, and that can be impacted by utilizing the carbon brace.
Brand new geometry with narrower front end
The narrower framework ahead allows to perform a slighly different geometry in the leading.
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
To choose the 0.8 pitch gears, the Centax gearpinions additionally needed to go to the 0.8 pitch. The accuracy machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation from the early nineties, and it is in use by virtually all brands now.
Key new features
- 2-speed gearbox SL8 XLi with superlow inertia
- Composite 2-speed gears with 0.8 pitch
- Centax hardcoated alu clutch gears with 0.8 pitch
- Aluminium chassisplate in 7075 T6 with optimised flex and loads slip
- carbon fibre 2.5mm radioplate with aluminium mid-flex system
- aluminium main flex system with bearings
- front bumper with inserts
- new geometry with narrower front end
- improved backside bodymount
- Separate suspension with hydraulic shocks
- Front shaft with oneways and back solid axle
- Aluminium bearingblocks front and rear
- Central rear axle braking system
- Front cvd , back dogbone drive, both with quick change wheel system/axles
- Ball raced front and back anti-roll bars
2-speed gearbox SL8 XLi with superlow inertia
All the parts of the gearbox happen made smaller and as light as you possibly can, to lessen inertia further, nevertheless maintaining durability together with the list. The gears changed to a 0.8 pitch which is smoother compared to original one. The Serpent gearbox system ended up being our innovation in late 80-ties together with system scarcely changed, just optimised, and today as system in use with other brands .
Bodymount back
Rear floating bodymount
Extra ribs and more material is added to raise the stiffness of the backside bodymount and a 4th opening is added both sides for lots more tuning options
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is an extremely durable product, which as additional function provides removable inserts. Its super easy and fast to test with or without inserts in just a matter of moments.
Central flex
Aluminium central flex system with bearings
The machine contain less and top anodised aluminium part, linked with screws for zero flex, or with bearings inside for some managed flex. It needs elimination of only 2 screws to get from fixed to managed flex.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The stiff carbon fiber radioplate is one piece once more using the flex system moving towards the center for the vehicle, just behind the tank.
Framework
Aluminium chassisplate in 7075 T6 with optimised flex and loads fall
The chassisplate is a critical part as main unit into the vehicle. The flex-characteristic is a major point, plus weight stability using the sliders we use and dissipation of temperature from engine. The chassis is narrower into the front to allow a somewhat different geometry. 2 sets of front lower pivotpins holders are included to change the geometry, run it narrow or wide. Machining of this framework allows flex in another area as before, and will be influenced by using the carbon brace.
Brand new geometry with narrower front end
The narrower framework ahead allows to perform a slighly various geometry in the leading.
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
To go with the 0.8 pitch gears, the Centax gearpinions additionally needed to go to the 0.8 pitch. The precision machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation through the very early nineties, and is in usage by the majority of brands now.
The durable composite front bodyposts are excentric , to allow going the human body to front or back a few mm to optimize steering / downforce.
The steeringblock , which can be installed left or right, offers a system to change the axle position more to front or right back giving a trailing or leading steering, and the ability to change the kingpin-inclination and offset. The steeringblock features an aluminum plate to connect the steering-rods, 2 choices for Ackermann.
The spring-steel steering-rods are fastened towards alu steeringplates, which mount on new steeringblocks. Optional carbon fibre disks can be mounted privately associated with uprights to stiffen the construction as well as for aerodynamic reasons.
The long durable front lower wishbones, are installed superlow in the vehicle, and feature a semi covered leg for the internal suspension system pin and the pivot website link for the leading anti-roll bar system, its has also an expansion the down-stop screw . The low hands hold the reduced alu shockmount dish, allowing another out and greater mounting point for the front shocks. The strong upper arms in can be utilized kept and right. The front reduced arms hook up to the alu front side bracket on low nylon holders. The kit includes 2 versions, wide and slim . This entire system also allows you to replace a front driveshafts extremely swift and easy.
The longer upper hands are installed between your anodized aluminum top brackets, which also support the suspensionpin inserts allowing camber-change modifications with 3 feasible inserts . Below the alu top-brackets spacers could be used to modification angle or height. Caster spacers are employed as simple videos on the upper pivot pins. Exact same clips are applied to the low pins to change wheelbase.
The topmounted composite bracket offers additional stiffnes toward front section, it holds the 3mm thick carbon fibre front side shocktower and allow for the down-stop screws.
The ballraced front anti-roll bar is a wire type, with very easy and fast open access regarding front, captured inside alu front braces. The conventional wire is 2.5mm and 2 other as options. The pivotballs link system directs the power to the club in a smooth method and easy to modify the tweak using the captured pivotball.
Into the front the alu front side axle with Japan-made one-way bearings features now an improved pully construction, free from play and super-true. Springsteel drivecups, strong, long and thin spring-steel driveshafts with CVD system, and ballraced springsteel wheelaxles with alu quick-change levers. The available front side end design enables quickly and easy removal of leading axle or parts.
The springloaded servo-saver permits effortless and fast Ackermann settings. The servo-saver features a high installed insert that can easily be used in 3 roles. Another 2 Ackermann positions regarding the steeringblocks.
The steeringblocks and back uprights connect to the hands with springsteel 8.5mm pivotballs , which operate extremely smooth and well protected in nylon cups, and so are very easy to adjust with an allen tool.
2.5mm carbon fiber radioplate with all the the center flex-control system. The radioplate holds the fueltank, the receiver battery together with built-in electronics bracket/box, as well as the center flex system
The latest center flex system include a lower life expectancy and top CNC machined aluminium bracket and a smal carbon brace. The upper one is fixed on radioplate and the lower anyone to the middle radioplate mount.
In rigid standard positon the top of and reduced brackets are installed fixed with 2 screws.
Within the flex position the two bearings have been in spot along with the 2 screws dis-assembled, offer the main chassis flex.
Compact composite brace and field in one single, which holds and protects the receiver and mounts both servo?s, which both lay on their edges, as low as possible, just a tiny clearance allowing for framework flex. The limit associated with the receiverbox provides a unique yet simple and easy safe holder for the cable connectors regarding the receiver, which works as a straightforward switch and it is really accessible.
The optional carbon transponder brace mounts toward built-in electronic devices brace. When utilizing a little receiver, the container has room to keep the transponder too, but should be tested for function ahead of the battle. In our test it worked.
Minimal 125ccm fueltank in a lengthy and slim design, with a premounted bronze filter. The narrow tank will make sure an improved fuel-supply to the engine, as the gas can go less laterally. The labyrinth within the fueltank may also keep the fuel more stabile and avoids foaming. The tank has also elevated parts in the front side, which can make yes the fuel stays close to the filter when the tank is amlost empty. This creates like a caution signal a few seconds prior to the tank goes completely empty, in order to try to find a safer spot to park. The fueltank has a solid springloaded limit and silicone rubber shaped seal, and has an association the force line. The internal bottom of the tank enables mounting inserts to lessen amount if required.
The composite nylon radioplate bracket, holds the rear the main radioplate as well as the strong chromed angled roll-bar, and in addition mounts the adjustable ballraced belt-tensioner. An aluminum one is optional.
Most of the topmounted screws are in allen 2.0mm size, excluding the top suspension brackets in 2.5mm.
The batteryholder involving the tank and part gear , is built to fit the more typical Lipo packs. Addititionally there is room enough to suit an everyday batterypack. The owner includes a simple spacing system to permit this.
The light, hollow 8mm hardcoated aluminium center shaft is held rigidly in place a small, low placed and light alu owner, which also holds the spring-type exhaust-wire.
The last drive ratio of vehicle is 2.286
28T front side pulley
18T mid-inner pulley
25T mid-outer pulley
19T exterior lay-shaft pulley
21T inner layshaft pulley
48T rear axle pulley.
All of the superround and true pullies have actually holes into the side flanges to allow dirt and dirt to go out easier. The 977 has the latest pullies, with additional teeth, therefore bigger diameter helping to make the belts run smoother, with less friction.
The belts are low friction type as standard, back one as 8mm, part in 6mm and front 6mm too. The adjustable ballraced belt-tensioner ( carbon, alu) keeps the sidebelt operating smooth.
The low seated anodized aluminum motor mounts keep carefully the motor well positioned and aligned and transfer heat towards framework in the simplest way.
The rear end construction with the alu brackets holds the braking system and rear axle. Its open design allows for eas of upkeep and cleansing, and needs very few screws to dis-assemble. Replacing a gear just in case required, is straightforward and very fast too. The excenter in the backside shaft permits belt tensioning. The entire rear end are removed together product through the framework, with not many screws.
A corner axle sits suprisingly low within the automobile, to obtain more mechanical hold.
The brake is in the rear axle, beside the solid axle pully. This reduces the inertia effect of the brakedisc a lot since the back axle spins a great deal slower compared to twospeed shaft. Additionally the brake-stress on rear belt is practically gone. Its a very compact system and well protected against dust, but nonetheless open enough to permit for adequate coolng. The swimming ventilated brake-disk rotates on a corner axle additionally the springloaded cam-operated brake pads will give you all the stopping energy you may need. The battle braking system pad product is baked on strong metal plates and allows extremely precise braking with countless brake-feel / feedback. Rather than a cable we plumped for the well-proven wire-linkage of Serpent vehicles.
The ballraced brake activator is bolted in a light alu holder toward right back bracket.
The ballraced rear anti-roll club mount in steel adaptors, which run in nylon spacers in the alu holders as integral part of the back brackets, with 2.5mm as standard cable and 2 other as choices. The anti-roll club links on rear reduced hands with adjustable trackrod guidance.
The solid rear axle with lightweight 48T pulley in Serpent springsteel, 9mm wide with 4 slots for the pin.
The aluminium back brackets while the 2-speed layshaft holders have tiny ears which allow for mounting for the optional alu or plastic spacer, to control flex. Either complete flex, no spacer, or some flex with rubber spacer, or zero flex with the aluminium spacer.
The suspension bracket and back dish contain the pins securely and now have composite roll-center inserts to permit for fast and exact changes.
Inside back strong springsteel driveshafts , springsteel wheel-axles with alu quick-change levers and a springsteel back axle. Extremely durable and lasting drivetrain
The long durable backside lower wishbones can be utilized left and appropriate. The low rear arm holds the reduced installed website link for the back anti-roll bar and holds the alu mounting bowl of the trunk shocks, which allows a situation that will be extremely far to the back and also to the outside for most useful performance/ geometry. The reduced arms additionally keep the easy to get at down-stop screws. Nylon clips are employed regarding the reduced backside pins to change wheelbase.
The durable composite uprights keep the ballraced springtime metal wheelaxles, with aluminium quick-change levers. The 8.5mm piotballs are acclimatized to adjust camber fast and easy aided by the smooth hex-shaped plugs . The arms associated with drifting bodymount mount towards the the surface of the uprights. Over the up-right spacers could be added beneath the pivotball to change rollcenter and camberchange.
Optional carbon fibre disks can be installed on the medial side for the uprights to stiffen the installation as well as for aerodynamic reasons.
The adjustable back top camber links mount to the rear carbon camberplate with 2 jobs .
The rear floating bodymount is installed on the up-rights with 2 arms and held set up by a carbon-fibre-steel guider. The mount has 4 positions each side to pick from, based on human anatomy used. The finish of the mount enable mounting body-supports , with complete threading to permit precise positioning. The machine leads the available downforce direct onto to your uprights to the tyres.
Composite 2-speed gears with 0.8 pitch
Smaller lighter gears sufficient reason for 0.8 pitch for smoothness and performance. The precision machined and hardcoated gears are durable and smooth.
The revolutionary Serpent True movement Centax clutch is fitted. Serpent as creator of original centax clutch, is rolling out the clutch over time additionally the present version excels in power throughput , reliability and eas of setting. The conventional version includes a steel clutch bell, red centax show and difficult anodized clutch-gears.
The kit features high rate ballbearings, mostly sealed people with aeroshell lubrication or oil. All bearings in the automobile ( with the exception of the servosaver and brakecam) are seated in nylon bushings to cut back vibrations and play.
The shockabsorbers would be the latest Serpent RCM units with membrames. The threaded homes with setting-nuts ( o-ring inside) makes ride height modifications effortless and precise. The RCM shocks are particularly smooth, and simple to put together and fill. The shocksprings are chosen, matched, flatgrinded, colorcoded units, equal length front and back.
