Viper 977 EVO-2 1/8 GP 4wd Gaspowered toplevel racecar with 4wd, belt-drive, Centax real movement clutch, XLi-8 gearbox, flex-system front and straight back, braking system on straight back axle, front one-ways, rear solid axle, ballraced anti-roll bars, low big bore shocks, slim buttocks pivots. A totally adjustable battle chassis towards latest spec and technology. EVO-2 variation features new big bore shocks and brand new tail geometry.
Serpent happens to be developing 1/8 scale onroad rc automobiles since 1977, formally as company since roughly 1980. That's over 35 many years of of battle and development experience combined !
The Serpent Viper-EVO-2 is the next thing inside constant growth of this exceptionally demanding 1/8 scale rushing course, the pinnacle of rc automobile race. The Viper 977-EVO is focused on refinement, to produce an exceptional car better yet. Ready to defend the 2013-2014 World Championship TQ and name by Tadahiko Sahashi from Japan.
Specs:
- Course: 1/8th scale gas on-road, IFMAR guidelines
- Function: High-end competition
- Body weight: 2.420kg (depending on radio gear)
- Track-width straight back: 260mm - 266mm
- Track-width front side: 250mm - 260mm
- Wheel base: Adjustable 296 - 300mm +/-1.7mm
- Chassis: 5mm 7075 aerospace quality aluminium
- Broadcast dish: 2.5mm carbon fiber,
- Suspension: Independent enhance wishbone suspension
- Shock absorbers: RCM surprise absorbers
- Gas tank: 125cc design
- Back axle: Solid straight back axle
- Front axle: Aluminium front axle with one-way bearings
- Gearbox: Lightweight 2-speed XLi8
- Clutch system: Centax real Motion clutch system
- Guidelines: complete color instructions online / PDF
- Adjustability: Camber, Caster, Down-stops, Up-stops, Toe-in, Track width, Wheel base, Front & back roll centre
Features:
- 4wd belt-driven competition automobile
- 2-speed gearbox and Centax battle clutch
- Independent suspension system with hydraulic shocks
- Front shaft with oneways and back solid axle
- 5mm aluminium framework with fat slider system
- 2.5mm carbon radioplate with flex system
- Aluminium bearingblocks front and rear
- Central back axle braking system
- Front cvd , right back dogbone drive, both with fast modification wheel system/axles
- Ball raced front and rear anti-roll pubs
- 2-speed gearbox SL8 XLi with superlow inertia
the regions of the gearbox happen made smaller as well as because light as possible, to lessen inertia even further, however maintaining durability along with record. The gears changed to a 0.8 pitch which is often smoother versus initial one. The Serpent gearbox system wound up being our innovation in belated 80-ties and system scarcely changed, just optimised, and now as system getting used along with other brands .
Key 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 fall
- carbon fibre 2.5mm radioplate with aluminium mid-flex system
- aluminium primary flex system with bearings
- front bumper with inserts
- geometry with narrower front end
- enhanced back bodymount
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
To choose the 0.8 pitch gears, the Centax gearpinions also needed seriously to visit the 0.8 pitch. The precision machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation through the extremely early nineties, and it's also in usage by most brands now.
Framework
Aluminium chassisplate in 7075 T6 with optimised flex and weights fall
The chassisplate is a crucial component as primary product inside automobile. The flex-characteristic is an important point, and fat stability using the sliders we utilize and also the dissipation of heat through the engine. The framework is narrower into the front to allow a somewhat various geometry. 2 sets of front side reduced pivotpins holders are included to boost the geometry, run it slim or wide. Machining the framework allows flex in a unique area as just before, and can be influenced by utilizing the carbon brace.
New geometry with narrower front end
The narrower framework ahead allows to work a slighly various geometry in the leading.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The rigid carbon dietary fiber radioplate is obviously one piece once more along with the flex system going toward center for the automobile, just behind the tank.
Central flex
Aluminium main flex system with bearings
these devices include a lower life expectancy and top anodised aluminium area, associated with screws for zero flex, or with bearings inside for a lot of controlled flex. It requires removal of simply 2 screws to go from fixed to managed flex.
Bumper
Front bumper with inserts
The newly developed front aero type bumper is an extremely durable device, which as extra function provides removable inserts. Its super easy and quick to try with or without inserts in a matter of seconds.
Bodymount back
Rear floating bodymount
extra ribs and much more item is added to raise the stiffness of this backside bodymount and a 4th space is added both edges to obtain additional tuning choices
General overview
General Properties:
5mm aluminium chassis in perfect symmetrical form even for flex and fat circulation. Aerospace quality 7075 T6 aluminium with engraved logo design. Improved tightness across the motor for better motor performance. Countersunk holes, chamfered sides for more cornering, ground approval. Area in center portion of the framework enabling mounting of brass sliding weights, which are utilized as set-up tool, to try out with framework stability. It offers big impact on steering, grip and tyre use and it's also fairly simple and quick to improve. All screws from base are with 2.5mm allen size.
The strong aerodynamic shaped composite bumper. The upward edges make sure it is more stabile, so these wont touch the surface under impact or with a high conditions. As additional function provides detachable inserts. Its very easy and fast to check with or without inserts in a matter of moments
The durable composite front side bodyposts are excentric , to permit going your body to front side or back some mm to optimize steering / downforce.
The steeringblock , that will effortlessly be installed kept or appropriate, offers something to alter the axle position more to front or straight back providing a trailing or leading steering, plus the ability to replace the kingpin-inclination and offset. The steeringblock features an aluminum meal to get in touch the steering-rods, 2 choices for Ackermann.
The spring-steel steering-rods are fastened to your alu steeringplates, which mount toward brand new steeringblocks. Optional carbon fibre disks can be installed on along side it linked to the uprights to stiffen the construction as well as for aerodynamic reasons.
The long durable front side paid off wishbones, are installed superlow into the car, and function a semi covered leg the inner suspension pin plus the pivot website link the leading anti-roll club system, its also offers an expansion the down-stop screw . The paid down fingers contain the lower alu shockmount dish, allowing an extra out and higher mounting point for the front shocks. The strong top arms in can be utilized left and appropriate. The key reduced hands hook up towards the alu front side bracket on suprisingly low nylon holders. The kit includes 2 versions, wide and slim . This whole system furthermore lets you change a front driveshafts exceptionally quick and simple.
The longer top arms are mounted between your anodized aluminum top brackets, that also support the suspensionpin inserts allowing camber-change changes with 3 feasible inserts . Underneath the alu top-brackets spacers might be accustomed modification angle or height. Caster spacers are utilized as effortless videos regarding top pivot pins. Same videos are put on the reduced pins to improve wheelbase.
The topmounted composite bracket provides extra stiffnes toward front side area, it holds the 3mm dense carbon fiber front part shocktower and invite the down-stop screws.
The ballraced front side anti-roll bar is a cable type, with quite simple and fast available access in the front side, captured in alu front braces. The typical wire is 2.5mm and 2 other as choices. The pivotballs link system directs the ability to your bar in a smooth means and easy to modify the tweak because of the captured pivotball.
Into the front part the alu front side axle with Japan-made one-way bearings features now an improved pully set up, free from play and super-true. Springsteel drivecups, strong, long and slim spring-steel driveshafts with CVD system, and ballraced springsteel wheelaxles with alu quick-change levers. The available front end design allows for quickly and simple removal of leading axle or elements.
The springloaded servo-saver enables effortless and quick Ackermann settings. The servo-saver features a high mounted insert that may easily be utilized in 3 jobs. Another 2 Ackermann jobs on steeringblocks.
The steeringblocks and back uprights relate to the hands with springsteel 8.5mm pivotballs , which operate extremely smooth and well protected in nylon cups, and generally speaking are really easy to adjust with an allen unit.
2.5mm carbon fibre radioplate using the the middle flex-control system. The radioplate holds the fueltank, the receiver battery pack and also the integrated electronics bracket/box, along with the center flex system
The modern center flex system consist of a diminished and top CNC machined aluminium bracket and a smal carbon brace. The top of one is fixed towards the radioplate and also the paid off someone to the guts radioplate mount.
In rigid standard positon top of the and paid down brackets are set up fixed with 2 screws.
In flex destination both bearings come in place and with the 2 screws dis-assembled, provide the primary chassis flex.
Compact composite brace and package in one single, which holds and protects the receiver and mounts both servo?s, which both lay on their edges, only feasible, just a small approval allowing for chassis flex. The limit for the receiverbox provides a unique yet easy and simple safe holder the cable connectors about the receiver, which works as a straightforward switch and it is excessively available.
The optional carbon transponder brace mounts towards incorporated electronics brace. Whenever using a tiny receiver, the container has space to help keep the transponder too, but must certanly be tested for function in front of the competition. Inside our test drive it worked.
Minimal 125ccm fueltank in an extended and narrow design, with a premounted bronze filter. The slim tank will guarantee a better fuel-supply towards motor, whilst the fuel can go less backwards and forwards. The labyrinth inside the fueltank will even keep carefully the gas more stable and prevents foaming. The tank comes with elevated sections ahead part, which can make yes the gasoline remains near the filter the moment the tank is practically empty. This produces like a caution sign a matter of moments prior to the tank goes completely empty, to help you look for a safer place to park. The fueltank has a good springloaded limit and silicone plastic shaped seal, possesses a link for the anxiety line. The inner base about the tank permits mounting inserts to reduce amount if needed.
The composite nylon radioplate bracket, holds the trunk an element of the radioplate plus the strong chromed angled roll-bar, as well as mounts the adjustable ballraced belt-tensioner. An aluminium one is optional.
Most of the topmounted screws have been around in allen 2.0mm size, apart from the top suspension brackets in 2.5mm.
The batteryholder between your tank and part gear , is built to fit the greater typical Lipo packs. There's also enough room to match an average batterypack. The holder incorporates a simple spacing system permitting this.
The light, hollow 8mm hardcoated aluminium center shaft is held rigidly in destination a little, low placed and light alu holder, that also holds the spring-type exhaust-wire.
The ultimate drive ratio the car is 2.286
28T front part pulley
18T mid-inner pulley
25T mid-outer pulley
19T external lay-shaft pulley
21T internal layshaft pulley
48T back axle pulley.
Most of the superround and real pulleys have actually holes inside side flanges allowing dust and dirt to maneuver away easier. The 977 gets the latest pulleys, with additional teeth, therefore bigger diameter rendering the belts run smoother, with less friction.
The belts are low friction type as standard, straight back one as 8mm, component in 6mm and front 6mm too. The adjustable ballraced belt-tensioner ( carbon, alu) keeps the sidebelt running smooth.
The lower seated anodized aluminium engine mounts keep consitently the motor in a position and aligned and transfer heat on framework in simplest way.
A corner end construction because of the alu brackets holds the braking system and back axle. Its available design permits eas of upkeep and cleansing, and requires extremely little screws to dis-assemble. Changing a belt whenever required, is straightforward and extremely fast too. The eccentric regarding backside shaft allows gear tensioning. The entire tail are eliminated as you product through framework, with hardly any screws.
A large part axle sits small in car, to achieve more technical hold.
The stopping system is regarding the back axle, near the solid axle pulley. This decreases the inertia aftereffect of the brakedisc a great deal while the back axle spins a tremendous amount slower versus twospeed shaft. And also the brake-stress on rear gear is practically gone. It's a tremendously compact system and well protected against dust, yet still available sufficient enabling sufficient coolng. The swimming ventilated brake-disk rotates in the back axle even though the springloaded cam-operated brake pads provides you with all stopping energy you may need. The battle stopping system pad product is baked on strong metal meals and allows really accurate stopping with numerous brake-feel / feedback. In place of a cable we opted for the well-proven wire-linkage of all the Serpent automobiles.
The ballraced brake activator is bolted in a light alu holder toward right back bracket.
The ballraced backside anti-roll club mount in metal adaptors, which run in nylon spacers into the alu holders as built-in the main straight back brackets, with 2.5mm as standard cable and 2 other as choices. The anti-roll bar links to your backside paid down hands with adjustable trackrod guidance.
The solid back axle with lightweight 48T pulley in Serpent springsteel, 9mm wide with 4 slots the pin.
The aluminium right back brackets and 2-speed layshaft holders have really little ears which permit mounting of the optional alu or synthetic spacer, to regulate flex. Either complete flex, no spacer, or some flex with synthetic spacer, or zero flex using the aluminium spacer.
The suspension bracket and rear dish contain the pins securely and have composite roll-center inserts permitting quick and accurate modifications.
In the back strong springsteel driveshafts , springsteel wheel-axles with alu quick-change levers and a springsteel backside axle. Extremely durable and enduring drivetrain
The long durable back paid off wishbones may be used kept and appropriate. The reduced back supply holds the low installed website link the trunk anti-roll club and holds the alu mounting plate of the rear shocks, enabling a posture which will be really far toward straight back and to the surface for best performance/ geometry. The lower arms additionally support the very easy to reach down-stop screws. Nylon videos are used regarding back pins to change wheelbase.
The durable composite uprights contain the ballraced springtime metal wheelaxles, with aluminium quick-change levers. The 8.5mm piotballs are acclimatized to adjust camber without headaches with the smooth hex-shaped plugs . The arms associated with drifting bodymount mount towards the the top uprights. On the up-right spacers could be added beneath the pivotball to improve rollcenter and camberchange.
Optional carbon fibre disks are connected to the medial side of this uprights to stiffen the installation as well as for aerodynamic reasons.
The adjustable straight back top camber links mount towards back carbon camberplate with 2 roles .
The trunk floating bodymount is attached to the up-rights with 2 fingers and held in position by a carbon-fibre-steel guider. The mount has 4 jobs each component to choose from, influenced by human anatomy utilized. The finish concerning the mount enable mounting body-supports , with complete threading allowing exact placement. The system leads the available downforce direct onto towards uprights towards tyres.
2-speed gearbox SL8 XLi with superlow inertia
All of the aspects of the gearbox have been made smaller so that as light that you can, nevertheless keeping durability combined with list. The gears changed to a 0.8 pitch that is smoother set alongside the original one. The Serpent gearbox system was in fact our innovation into the belated 80-ties in addition to the system hardly changed, just optimised, now as system being used along with other brands .
Composite 2-speed gears with 0.8 pitch
Smaller lighter gears along with 0.8 pitch for smoothness and performance. The precision machined and hardcoated gears are durable and smooth.
The revolutionary Serpent genuine movement Centax clutch is prepared. Serpent as creator connected with initial centax clutch, is advertising the clutch over time plus the present variation excels in power throughput , dependability and eas of environment. The typical variation includes a metal clutch bell, red centax show and hard anodized clutch-gears.
The kit features higher rate ballbearings, mostly sealed people with aeroshell lubrication or oil. All bearings inside the automobile ( excluding the servosaver and brakecam) are seated in nylon bushings to reduce vibrations and play.
The shockabsorbers will be the latest Serpent RCM units with membrames. The threaded homes with setting-nuts ( o-ring inside) makes ride height modifications simple and precise. The RCM shocks are very smooth, and easy to gather and fill. The shocksprings are chosen, matched, flatgrinded, colorcoded devices, equal size front part and rear.
The kit wont include engine-pipe, airfilter, human body, tyres-wheels or electronics.
The silicone shockoil , silicone fuelline and stress line is roofed.
The 977-evo is sold with the full color installation manual on the web as PDF , reference guide and exploded views all in one. Set-up sheets ( blank and standard) are quite ready to down load seperately, and 2 decalsheets are included in the package .
Set-up opportunities:
- Wheelbase
- Caster
- Trailing/leading steering
- Offset
- Kingpin-inclination
- Camber
- Camberchange
- Roll-centers
- Ride height
- Droop
- Width
- Toe-in
- Weight stability
- Shocks for dampening and springs, shockangle
- Gear ratio with pulleys and 2-speed and clutch
- Anti-roll bar thickness
- Flex/no-flex
