Viper 977 EVO-2 1/8 GP 4wd Gaspowered toplevel racecar with 4wd, belt-drive, Centax genuine movement clutch, XLi-8 gearbox, flex-system front side and straight back, stopping system on straight back axle, front one-ways, right back solid axle, ballraced anti-roll bars, low big bore shocks, slim buttocks pivots. A completely adjustable battle framework towards latest spec and technology. EVO-2 variation features brand new big bore shocks and unique end geometry.
Serpent is obviously developing 1/8 scale onroad rc automobiles since 1977, formally as business since approximately 1980. Which over 35 years of of battle and development experience combined !
The Serpent Viper-EVO-2 will be the next thing inside constant development of this incredibly demanding 1/8 scale rushing system, the peak of rc automobile battle. The Viper 977-EVO is targeted on refinement, to help make a fantastic automobile even better. 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 (based on radio gear)
- Track-width straight back: 260mm - 266mm
- Track-width front component: 250mm - 260mm
- Wheel base: Adjustable 296 - 300mm +/-1.7mm
- Chassis: 5mm 7075 aerospace quality aluminium
- Broadcast dinner: 2.5mm carbon dietary 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 movement clutch system
- Guidelines: complete color instructions on line / PDF
- Adjustability: Camber, Caster, Down-stops, Up-stops, Toe-in, Track width, Wheel base, Front & right 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 back solid axle
- 5mm aluminium framework with fat slider system
- 2.5mm carbon radioplate with flex system
- Aluminium bearingblocks front and rear
- Central straight back axle stopping system
- Front cvd , straight back dogbone drive, both with quick modification wheel system/axles
- Ball raced front and back anti-roll pubs
- 2-speed gearbox SL8 XLi with superlow inertia
the parts of the gearbox happen made smaller along side because light as possible, to minimize inertia further, however maintaining durability along with record. The gears changed to a 0.8 pitch which can be often smoother versus initial one. The Serpent gearbox system wound up being our innovation in belated 80-ties and system hardly changed, just optimised, and today as system being employed and also 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 lots 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
- improved back bodymount
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
to get the 0.8 pitch gears, the Centax gearpinions also needed seriously 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 extremely early nineties, and yes it's in use by numerous brands now.
Framework
Aluminium chassisplate in 7075 T6 with optimised flex and loads fall
The chassisplate is an essential component as main item inside automobile. The flex-characteristic is a vital point, and fat security utilizing the sliders we use and also the dissipation of temperature through engine. The framework is narrower in to the front allowing a somewhat various geometry. 2 sets of front side paid down pivotpins holders are included to improve the geometry, run it slim or wide. Machining the framework allows flex in a genuine area as before, and that is relying on utilising 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 dietary fiber radioplate is one piece again combined with the flex system going toward center the car, simply behind the tank.
Central flex
Aluminium main flex system with bearings
the unit contain a lower life expectancy and top anodised aluminium area, associated with screws for zero flex, or with bearings inside for most controlled flex. It takes elimination of just 2 screws to get from fixed to managed flex.
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is an incredibly durable device, which as extra function provides removable inserts. Its quite simple and fast to try with or without inserts in just a matter of moments.
Bodymount straight back
Rear floating bodymount
additional ribs and much more product is included with enhance the stiffness using this rear bodymount and a 4th area is added both sides to own additional tuning alternatives
General overview
General Traits:
5mm aluminium framework in perfect symmetrical sort even for flex and fat circulation. Aerospace quality 7075 T6 aluminium with engraved company logo. Improved tightness over the engine for better motor performance. Countersunk holes, chamfered sides for more cornering, ground approval. Region in center an element of the framework allowing mounting of steel sliding loads, that are used as set-up device, to test with framework security. It includes big impact on steering, hold and tyre usage and it's really easier than you think and fast to boost. All screws from base are with 2.5mm allen size.
The strong aerodynamic shaped composite bumper. The upward sides assure it is more stabile, so these wont touch the surface under impact or with an increased conditions. As extra function provides removable inserts. Its super easy and fast to check on with or without inserts in only minutes
The durable composite front part bodyposts are excentric , to permit going the body to front part or straight back some mm to optimize steering / downforce.
The steeringblock , that could efficiently be installed held or appropriate, offers something to alter the axle place more to front or right back supplying a trailing or leading steering, plus the capability to improve the kingpin-inclination and offset. The steeringblock features an aluminum dinner to acquire linked 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 the inside for this uprights to stiffen the construction and for aerodynamic reasons.
The long durable front side component reduced wishbones, are installed superlow in to the automobile, and function a semi covered leg the inner suspension system pin plus the pivot hyperlink the greatest anti-roll club system, its offers an expansion the down-stop screw . The paid down fingers support the reduced alu shockmount dinner, enabling a supplementary out and greater mounting point leading shocks. The strong top arms in may be utilized kept and appropriate. One of many tips reduced fingers attach towards the alu front component bracket on suprisingly low nylon holders. The kit includes 2 variations, wide and slim . This whole system also enables you to change a front driveshafts exceedingly simple and quick.
The longer top arms are installed between anodized aluminum top brackets, that also provide suspensionpin inserts permitting camber-change adjustments with 3 feasible inserts . Beneath the alu top-brackets spacers might be accustomed modification angle or height. Caster spacers can be used as effortless videos regarding top pivot pins. Exact same videos are placed in paid off pins to boost wheelbase.
The topmounted composite bracket provides extra stiffnes toward front part area, it holds the 3mm thick carbon fibre front side component shocktower and ask the down-stop screws.
The ballraced front part anti-roll club is a cable kind, with quite simple and fast available access to the front component, captured in alu front braces. The normal cable is 2.5mm and 2 other as alternatives. The pivotballs link system directs the capacity to your club in a smooth means and an easy task to replace the tweak because of the captured pivotball.
On front side component the alu front part axle with Japan-made one-way bearings features now a better 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 simple removal of leading axle or elements.
The springloaded servo-saver permits effortless and fast Ackermann settings. The servo-saver features a premier mounted insert that may effortlessly be utilized in 3 jobs. Another 2 Ackermann jobs on steeringblocks.
The steeringblocks and straight back uprights connect with the fingers with springsteel 8.5mm pivotballs , which run acutely smooth and well protected in nylon cups, and generally are really easy to adjust with an allen unit.
2.5mm carbon fibre radioplate utilising the the middle flex-control system. The radioplate holds the fueltank, the receiver battery pack and also the built-in electronic devices bracket/box, with the center flex system
The existing center flex system have a lower and top CNC machined aluminium bracket and a smal carbon brace. The very best one is fixed towards the radioplate along with the paid one to the guts radioplate mount.
In rigid standard positon the surface of the and reduced brackets are setup fixed with 2 screws.
In flex location both bearings can be found in spot combined with 2 screws dis-assembled, give you the primary chassis flex.
Compact composite brace and package in one, which holds and protects the receiver and mounts both servo?s, which both lay on edges, only feasible, simply a tiny approval allowing chassis flex. The restriction the receiverbox provides an original yet quick and easy safe owner the cable connectors concerning the receiver, which works as a straightforward switch that will be incredibly available.
The optional carbon transponder brace mounts towards incorporated electronic devices brace. Whenever using a small receiver, the container has space to put up the transponder too, but must be tested for function during the competition. Within our test that 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 motor, as the gasoline can get less forward and backward. The labyrinth into the fueltank will keep the fuel more stable and prevents foaming. The tank includes elevated components ahead component, which can make yes the gas remains close to the filter as soon as the tank is virtually empty. This produces like a caution indicator a matter of moments prior to the tank goes completely empty, that may help you try to find a safer place to park. The fueltank has a great springloaded restriction and silicone synthetic shaped seal, possesses a web link the anxiety line. The inner base regarding the tank allows mounting inserts to cut back amount if required.
The composite nylon radioplate bracket, holds the trunk some the radioplate as well as the strong chromed angled roll-bar, plus mounts the adjustable ballraced belt-tensioner. An aluminium one is optional.
Most of the topmounted screws were around in allen 2.0mm size, apart from the top suspension brackets in 2.5mm.
The batteryholder between tank and component gear , was created to fit the higher typical Lipo packages. There is also enough space to fit the common batterypack. The owner incorporates an easy spacing system allowing this.
The light, hollow 8mm hardcoated aluminium center shaft is held rigidly in destination a little, low put and light alu owner, that also holds the spring-type exhaust-wire.
The best drive ratio the auto is 2.286
28T front component pulley
18T mid-inner pulley
25T mid-outer pulley
19T external lay-shaft pulley
21T internal layshaft pulley
48T right back axle pulley.
All the superround and genuine pulleys have in fact really holes inside side flanges enabling dirt and dirt to go away easier. The 977 gets the newest pulleys, with additional teeth, consequently larger diameter making the belts operate smoother, with less friction.
The belts are low friction kind 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 the engine ready and aligned and transfer heat on framework in simplest method.
A large part end construction due to the alu brackets holds the braking system and right back axle. Its available design permits eas of maintenance and cleansing, and needs acutely small screws to dis-assemble. Changing a belt whenever required, is easy and very fast too. The eccentric regarding back shaft permits gear tensioning. The whole end are eliminated when you product through framework, with very little screws.
A considerable component axle sits small in automobile, to quickly achieve more technical hold.
The stopping system is about the trunk axle, near to the solid axle pulley. This decreases the inertia aftereffect of the brakedisc a great deal although the straight back axle spins a significant amount slower versus twospeed shaft. Plus the brake-stress on straight back gear is virtually gone. It's a tremendously compact system and well protected against dirt, but nevertheless available sufficient allowing adequate coolng. The swimming ventilated brake-disk rotates into the back axle although the springloaded cam-operated brake pads gives you all stopping energy you will need. The battle stopping system pad product is baked on strong steel dishes and permits actually accurate stopping with numerous brake-feel / feedback. In place of a cable we picked the well-proven wire-linkage of most Serpent automobiles.
The ballraced braking system activator is bolted in a light alu owner toward back bracket.
The ballraced rear anti-roll club mount in steel adaptors, which run in nylon spacers in the alu holders as integral the key back brackets, with 2.5mm as standard cable and 2 other as alternatives. The anti-roll club links to your rear paid off 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 back brackets and 2-speed layshaft holders have actually actually small ears which permit mounting with this optional alu or artificial spacer, to modify flex. Either complete flex, no spacer, or some flex with artificial spacer, or zero flex using the aluminium spacer.
The suspension system system bracket and back meal retain the pins firmly and in addition composite roll-center inserts allowing quick and accurate customizations.
In straight back strong springsteel driveshafts , springsteel wheel-axles with alu quick-change levers and a springsteel back axle. Exceedingly durable and suffering drivetrain
The long durable straight back reduced wishbones can be utilized held and appropriate. The reduced back supply holds the lower set up url the trunk anti-roll club and holds the alu mounting full bowl of the trunk shocks, enabling a posture that will be really far toward right back also to the most truly effective for some easily helpful performance/ geometry. The reduced arms in addition provide quite simple to accomplish down-stop screws. Nylon videos are employed regarding straight back pins to boost wheelbase.
The durable composite uprights wthhold the ballraced springtime metal wheelaxles, with aluminium quick-change levers. The 8.5mm piotballs are acclimatized to adjust camber without headaches using the smooth hex-shaped plugs . The arms pertaining to drifting bodymount mount towards the the best uprights. Concerning the up-right spacers might be added in pivotball to improve rollcenter and camberchange.
Optional carbon fibre disks are attached to the medial part of this uprights to stiffen the installation and for aerodynamic reasons.
The adjustable straight back top camber links mount towards right back carbon camberplate with 2 functions .
The trunk drifting bodymount is attached to the up-rights with 2 hands and held set up by a carbon-fibre-steel guider. The mount has 4 jobs each aspect of choose from, affected by human body used. The ultimate regarding the mount enable mounting body-supports , with complete threading enabling precise positioning. The device leads the available downforce direct onto towards uprights towards tyres.
2-speed gearbox SL8 XLi with superlow inertia
the majority of the regions of the gearbox have already been made smaller so that as light as you can, however keeping durability alongside list. The gears changed to a 0.8 pitch which smoother set alongside the original one. The Serpent gearbox system was at reality our innovation toward belated 80-ties besides the system barely changed, just optimised, now as system getting used and 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 movement Centax clutch is prepared. Serpent as creator related to initial centax clutch, is marketing the clutch over time as well as the present variation excels in power throughput , reliability and eas of environment. The conventional variation includes a metal clutch bell, red centax show and hard anodized clutch-gears.
The kit features higher rate ballbearings, mostly sealed individuals with aeroshell lubrication or oil. All bearings within 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 devices with membrames. The threaded homes with setting-nuts ( o-ring inside) makes ride height customizations simple and easy precise. The RCM shocks are specially smooth, and simple to construct 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 gadgets.
The silicone shockoil , silicone fuelline and stress line is roofed.
The 977-evo comes along with the full color installation manual on the web as PDF , reference guide and exploded views all in a single. Set-up sheets ( blank and standard) are quite ready to get seperately, and 2 decalsheets are within 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
