Viper 977 EVO-2 1/8 GP 4wd Gaspowered toplevel racecar with 4wd, belt-drive, Centax real motion clutch, XLi-8 gearbox, flex-system front and right back, braking system on straight back axle, front one-ways, back solid axle, ballraced anti-roll pubs, low big bore shocks, slim buttocks pivots. A completely adjustable battle framework towards latest spec and technology. EVO-2 variation features new big bore shocks and unique end geometry.
Serpent is actually developing 1/8 scale onroad rc cars since 1977, formally as company since roughly 1980. That is over 35 years of of battle and development experience combined !
The Serpent Viper-EVO-2 may be the next thing inside constant development of this extremely demanding 1/8 scale rushing program, the pinnacle of rc vehicle battle. The Viper 977-EVO is concentrated on refinement, to make an extraordinary automobile better yet. Willing to protect the 2013-2014 World Championship TQ and name by Tadahiko Sahashi from Japan.
Specs:
- Course: 1/8th scale gasoline on-road, IFMAR guidelines
- Function: High-end competition
- Body fat: 2.420kg (depending on radio gear)
- Track-width right back: 260mm - 266mm
- Track-width front part: 250mm - 260mm
- Wheel base: Adjustable 296 - 300mm +/-1.7mm
- Chassis: 5mm 7075 aerospace quality aluminium
- Broadcast meal: 2.5mm carbon fiber,
- Suspension: Independent enhance wishbone suspension
- Shock absorbers: RCM surprise absorbers
- Gas tank: 125cc design
- Back axle: Solid 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 & straight back roll centre
Features:
- 4wd belt-driven competition automobile
- 2-speed gearbox and Centax battle clutch
- Independent suspension system system with hydraulic shocks
- Front shaft with oneways and right back solid axle
- 5mm aluminium framework with fat slider system
- 2.5mm carbon radioplate with flex system
- Aluminium bearingblocks front and rear
- Central right back axle stopping system
- Front cvd , right back dogbone drive, both with fast modification wheel system/axles
- Ball raced front and back anti-roll bars
- 2-speed gearbox SL8 XLi with superlow inertia
the regions of the gearbox happen made smaller along with due to the fact light as you possibly can, to lessen inertia further, however maintaining durability along side record. The gears changed to a 0.8 pitch which can be often smoother versus initial one. The Serpent gearbox system ended up being our innovation in belated 80-ties and system scarcely changed, just optimised, and now as system being employed 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 loads 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 straight back bodymount
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
to find the 0.8 pitch gears, the Centax gearpinions additionally needed to look at the 0.8 pitch. The precision machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation through exceptionally early nineties, also it's in use by many brands now.
Framework
Aluminium chassisplate in 7075 T6 with optimised flex and loads fall
The chassisplate is an essential component as primary item inside automobile. The flex-characteristic is an essential point, and fat stability using the sliders we utilize and also the dissipation of heat through motor. The framework is narrower into the front to permit a somewhat different geometry. 2 sets of front side reduced pivotpins holders are included to enhance the geometry, run it slim or wide. Machining the framework permits flex in an original area as before, and that can be impacted by utilizing the carbon brace.
New geometry with narrower front end
The narrower framework ahead permits to operate a slighly different geometry in leading.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The rigid carbon soluble fbre radioplate is actually one piece once again along with the flex system going toward center the car, simply behind the tank.
Central flex
Aluminium main flex system with bearings
the unit consist of a lowered and top anodised aluminium area, related to screws for zero flex, or with bearings inside for many controlled flex. It needs removal of merely 2 screws to go from fixed to managed flex.
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is an extremely durable device, which as additional function provides removable inserts. Its super easy and fast to test with or without inserts in a matter of seconds.
Bodymount right back
Rear floating bodymount
additional ribs and a lot more product is included with improve the stiffness with this rear bodymount and a 4th area is added both sides to have additional tuning choices
General overview
General Characteristics:
5mm aluminium framework in perfect symmetrical kind even for flex and fat blood circulation. Aerospace quality 7075 T6 aluminium with engraved logo design. Improved tightness across the motor for better engine performance. Countersunk holes, chamfered edges for more cornering, ground approval. Area in center part of the framework enabling mounting of metal sliding weights, that are utilized as set-up device, to try out with framework security. It offers big impact on steering, grip and tyre use and it's fairly easy and fast to enhance. All screws from base are with 2.5mm allen size.
The strong aerodynamic shaped composite bumper. The upward sides ensure it's more stabile, so these wont touch the surface under impact or with a higher conditions. As additional function provides detachable inserts. Its super easy and fast to check with or without inserts in just a few moments
The durable composite front part bodyposts are excentric , to allow going the human body to front part or right back some mm to optimize steering / downforce.
The steeringblock , that may efficiently be installed kept or appropriate, offers something to change the axle position more to front or back supplying a trailing or leading steering, as well as the capacity to change the kingpin-inclination and offset. The steeringblock features an aluminum meal to obtain connected the steering-rods, 2 selections for Ackermann.
The spring-steel steering-rods are fastened towards alu steeringplates, which mount toward brand-new steeringblocks. Optional carbon fibre disks is set up on along side it for this uprights to stiffen the construction as well as for aerodynamic reasons.
The long durable front part paid off wishbones, are installed superlow into the car, and function a semi covered leg the inner suspension pin plus the pivot hyperlink the best anti-roll club system, its also offers an expansion the down-stop screw . The paid down fingers contain the reduced alu shockmount meal, enabling a supplementary out and higher mounting point the front shocks. The strong top hands in may be used kept and appropriate. One of the keys reduced fingers hook up towards the alu front part bracket on suprisingly low nylon holders. The kit includes 2 variations, wide and slim . This whole system also allows you to alter a front driveshafts extremely quick and simple.
The longer top arms are mounted between anodized aluminum top brackets, that also offer the suspensionpin inserts allowing camber-change modifications with 3 feasible inserts . Beneath the alu top-brackets spacers could be accustomed modification angle or height. Caster spacers are utilized as effortless videos regarding top pivot pins. Same videos are placed in the reduced pins to enhance wheelbase.
The topmounted composite bracket provides additional stiffnes toward front side area, it holds the 3mm thick carbon fiber front component shocktower and ask the down-stop screws.
The ballraced front side anti-roll bar is a cable type, with very easy and fast available access into the front part, captured in alu front braces. The normal wire is 2.5mm and 2 other as choices. The pivotballs link system directs the capacity to your club in a smooth means and simple to change the tweak because of the captured pivotball.
To the front part the alu front part axle with Japan-made one-way bearings features now a greater pully setup, without 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 easy elimination of leading axle or elements.
The springloaded servo-saver allows effortless and fast Ackermann settings. The servo-saver features a top mounted insert that could easily be utilized in 3 jobs. Another 2 Ackermann jobs on steeringblocks.
The steeringblocks and right back uprights relate solely to the fingers with springsteel 8.5mm pivotballs , which run acutely smooth and well protected in nylon cups, and broadly speaking are really easy to adjust with an allen device.
2.5mm carbon fibre radioplate utilising the the center flex-control system. The radioplate holds the fueltank, the receiver battery pack and also the built-in electronics bracket/box, combined with the center flex system
The current center flex system contain a lowered and top CNC machined aluminium bracket and a smal carbon brace. The top one is fixed towards the radioplate as well as the paid you to definitely the guts radioplate mount.
In rigid standard positon the surface of the and paid down brackets are setup fixed with 2 screws.
In flex location both bearings are available in place along with the 2 screws dis-assembled, give you 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 the sides, only feasible, simply a tiny approval permitting chassis flex. The limit the receiverbox provides a unique yet simple and easy safe owner the cable connectors about the receiver, which works as a straightforward switch which is extremely available.
The optional carbon transponder brace mounts towards incorporated electronics brace. Whenever utilizing a tiny receiver, the container has room to hold the transponder too, but should be tested for function at the competition. Within our test drive it worked.
Minimal 125ccm fueltank in an extended and slim design, with a premounted bronze filter. The slim tank will guarantee an improved fuel-supply towards engine, while the gas can get less backward and forward. The labyrinth in the fueltank will even keep carefully the fuel more stable and stops foaming. The tank includes elevated parts ahead part, which could make yes the gas stays near the filter when the tank is virtually empty. This creates like a caution indication a matter of moments before the tank goes entirely empty, that will help you look for a safer place to park. The fueltank has a good springloaded restriction and silicone plastic shaped seal, possesses a web link for the anxiety line. The inner base in regards to the tank permits mounting inserts to cut back amount if needed.
The composite nylon radioplate bracket, holds the trunk some the radioplate plus the strong chromed angled roll-bar, plus mounts the adjustable ballraced belt-tensioner. An aluminium one is optional.
A lot of the topmounted screws were around in allen 2.0mm size, apart from the top suspension brackets in 2.5mm.
The batteryholder between your tank and component gear , was created to fit the greater typical Lipo packs. There's also enough space to match the average batterypack. The holder incorporates an easy spacing system permitting this.
The light, hollow 8mm hardcoated aluminium center shaft is held rigidly in destination only a little, low put and light alu holder, that also holds the spring-type exhaust-wire.
The best drive ratio the automobile 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 straight back axle pulley.
All the superround and genuine pulleys have actually really holes inside side flanges enabling dust and dirt to maneuver away easier. The 977 gets the latest pulleys, with additional teeth, consequently larger diameter making the belts operate smoother, with less friction.
The belts are low friction type as standard, right back one as 8mm, component in 6mm and front 6mm too. The adjustable ballraced belt-tensioner ( carbon, alu) keeps the sidebelt running smooth.
The low seated anodized aluminium engine mounts keep consitently the motor in a position and aligned and transfer heat on framework in simplest method.
A corner end construction because of the alu brackets holds the braking system and straight back axle. Its available design allows eas of upkeep and cleansing, and needs acutely small screws to dis-assemble. Changing a belt whenever needed, is straightforward and very fast too. The eccentric regarding rear shaft allows gear tensioning. The complete end are eradicated while you product through framework, with almost no screws.
A sizable component axle sits little in car, to quickly attain more technical hold.
The stopping system is about the back axle, close to the solid axle pulley. This decreases the inertia aftereffect of the brakedisc a good deal even though the straight back axle spins a significant amount slower versus twospeed shaft. As well as the brake-stress on back gear is virtually gone. It's a tremendously compact system and well protected against dust, but still available enough enabling adequate coolng. The swimming ventilated brake-disk rotates into the straight back axle even though the springloaded cam-operated brake pads offers you all stopping energy you might need. The battle stopping system pad item is baked on strong steel meals and permits really accurate stopping with many brake-feel / feedback. Instead of a cable we chosen the well-proven wire-linkage of all Serpent automobiles.
The ballraced braking system activator is bolted in a light alu owner toward straight back bracket.
The ballraced backside anti-roll club mount in steel adaptors, which run in nylon spacers in to the alu holders as built-in the main back brackets, with 2.5mm as standard cable and 2 other as alternatives. The anti-roll bar links to your rear reduced fingers with adjustable trackrod guidance.
The solid straight back axle with lightweight 48T pulley in Serpent springsteel, 9mm wide with 4 slots the pin.
The aluminium straight back brackets and 2-speed layshaft holders have really little ears which permit mounting of this optional alu or artificial spacer, to modify flex. Either complete flex, no spacer, or some flex with synthetic spacer, or zero flex utilizing the aluminium spacer.
The suspension system bracket and rear meal contain the pins securely and also composite roll-center inserts allowing fast and accurate customizations.
Inside back strong springsteel driveshafts , springsteel wheel-axles with alu quick-change levers and a springsteel rear axle. Exceedingly durable and suffering drivetrain
The long durable back reduced wishbones can be utilized held and appropriate. The paid off back supply holds the lower installed url the trunk anti-roll club and holds the alu mounting full bowl of the trunk shocks, enabling a position which will be actually far toward right back and to the top for most readily useful performance/ geometry. The lower arms additionally offer the super easy to achieve down-stop screws. Nylon videos are used regarding right back pins to improve wheelbase.
The durable composite uprights retain the ballraced springtime steel wheelaxles, with aluminium quick-change levers. The 8.5mm piotballs are used to adjust camber without headaches utilizing the smooth hex-shaped plugs . The arms related to drifting bodymount mount towards the the very best uprights. Regarding the up-right spacers could possibly be added under the pivotball to enhance rollcenter and camberchange.
Optional carbon fibre disks are connected to the medial part of this uprights to stiffen the installation as well as for aerodynamic reasons.
The adjustable back top camber links mount towards right back carbon camberplate with 2 roles .
The trunk floating bodymount is connected to the up-rights with 2 fingers and held in place by a carbon-fibre-steel guider. The mount has 4 jobs each aspect of select from, influenced by human anatomy utilized. The final concerning the mount enable mounting body-supports , with complete threading enabling exact placement. The machine leads the available downforce direct onto towards uprights towards tyres.
2-speed gearbox SL8 XLi with superlow inertia
most of the areas of the gearbox have now been made smaller so that as light as possible, nonetheless maintaining durability along with list. The gears changed to a 0.8 pitch that is smoother set alongside the original one. The Serpent gearbox system was in reality our innovation to the belated 80-ties in addition to the system scarcely changed, simply optimised, now as system being used and also other brands .
Composite 2-speed gears with 0.8 pitch
Smaller lighter gears alongside 0.8 pitch for smoothness and gratification. The accuracy machined and hardcoated gears are durable and smooth.
The revolutionary Serpent genuine motion Centax clutch is ready. Serpent as creator associated with initial centax clutch, is marketing the clutch with time and the present variation excels in power throughput , dependability and eas of environment. The typical variation includes a metal clutch bell, red centax show and difficult anodized clutch-gears.
The kit features high rate ballbearings, mostly sealed individuals with aeroshell lubrication or oil. All bearings inside the car ( excluding the servosaver and brakecam) are seated in nylon bushings to lessen vibrations and play.
The shockabsorbers would be the latest Serpent RCM devices with membrames. The threaded homes with setting-nuts ( o-ring inside) makes ride height customizations simple and exact. The RCM shocks are particularly smooth, and simple to assemble and fill. The shocksprings are plumped for, matched, flatgrinded, colorcoded devices, equal size front part and backside.
The kit wont include engine-pipe, airfilter, body, tyres-wheels or electronic devices.
The silicone shockoil , silicone fuelline and stress line is roofed.
The 977-evo comes aided by the full color installation manual on the internet as PDF , reference guide and exploded views all in one. Set-up sheets ( blank and standard) are ready to acquire seperately, and 2 decalsheets are contained 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
