The Serpent Viper-EVO is the next thing in continiuous development of this very demanding 1/8 scale rushing class, the peak of rc automobile race. The Viper 977-EVO is focused on refinement, to produce a superb vehicle even better. A totally adjustable competition chassis toward latest spec and technology. Lighter, stronger, brand new geometry, more tuning features.
Specs:
- Class: 1/8th scale gasoline on-road, IFMAR guidelines
- Function: High-end competition
- Weight: 2.420kg (dependent on radio gear)
- Track-width back: 260mm - 266mm
- Track-width front side: 250mm - 260mm
- Wheel base: Adjustable 296 - 300mm +/-1.7mm
- Maybe not included: Engine, pipe, human body, radio gear, wheels, tires, battery pack pack
- Chassis: 5mm 7075 aerospace quality aluminium
- Radio dish: 2.5mm carbon fibre,
- Suspension: Independent double wishbone suspension
- Shock absorbers: RCM surprise absorbers
- Gas tank: 125cc design
- Rear axle: Solid rear 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 on the web / PDF
- Adjustability: Camber, Caster, Down-stops, Up-stops, Toe-in, Track width, Wheel base, Front & rear 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 fall
- 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 rear bodymount
> Viper 977 EVO 1/8 GP 4wd (#903015)
> Definition · Information (7) · Specs · Pictures (41) · Packages (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 real movement clutch, XLi8 gearbox, flex-system front and rear, brake on rear axle, front one-ways, back solid axle, ballraced anti-rollbars. A completely adjustable battle chassis toward latest spec and technology. Lighter, stronger, brand new geometry, more tuning features. Design by Michael Salven
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> Description
Serpent Viper 977-EVO
1/8 scale gas onroad vehicle
Serpent happens to be developing 1/8 scale onroad rc automobiles since 1977, officially as company since roughly 1980. That's over 35 years of of race and development experience combined !
The Serpent Viper-EVO may be the next thing inside continiuous development of your extremely demanding 1/8 scale rushing course, the pinnacle of rc car racing. The Viper 977-EVO is all about refinement, to produce an excellent automobile better yet. Willing to defend the 2013-2014 World Championship TQ and title by Tadahiko Sahashi from Japan.
Bodymount rear
Rear drifting bodymount
Extra ribs and much more product is put into raise the tightness associated with back bodymount and a 4th opening is added both sides for more tuning choices
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is a tremendously durable product, which as additional feature provides detachable inserts. Its quite simple and quick to test with or without inserts in a matter of seconds.
Central flex
Aluminium main flex system with bearings
The machine include a lower life expectancy and top anodised aluminium part, connected with screws for zero flex, or with bearings inside for a few managed flex. It takes removal of just 2 screws to go from fixed to controlled flex.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The rigid carbon fibre radioplate is one piece once again utilizing the flex system going to the center of vehicle, just behind the tank.
Chassis
Aluminium chassisplate in 7075 T6 with optimised flex and loads slip
The chassisplate is an essential component as central unit in the automobile. The flex-characteristic is a significant point, also weight stability utilizing the sliders we apply while the dissipation of heat from the engine. The framework is narrower inside front to allow a somewhat different geometry. 2 sets of front reduced pivotpins holders are included to change the geometry, run it narrow or wide. Machining of this framework allows flex in yet another area as prior to, and may be influenced by utilizing the carbon brace.
Brand new geometry with narrower front end
The narrower chassis in front permits to operate a slighly various geometry in leading.
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
To go with the 0.8 pitch gears, the Centax gearpinions also needed seriously to head to the 0.8 pitch. The precision machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation from the very early nineties, and it is in use by nearly all brands now.
Key brand 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 weights slide
- 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
- main back axle braking system
- Front cvd , back dogbone drive, both with quick change wheel system/axles
- Ball raced front and rear anti-roll bars
2-speed gearbox SL8 XLi with superlow inertia
All the parts of the gearbox have been made smaller and as light that you can, to reduce inertia even further, nevertheless maintaining durability on top of record. The gears changed to a 0.8 pitch that is smoother compared to the initial one. The Serpent gearbox system had been our innovation in the late 80-ties plus the system scarcely changed, just optimised, and today as system being used with other brands .
Bodymount back
Back floating bodymount
Extra ribs and much more product is added to increase the stiffness regarding the backside bodymount and a 4th opening is added both sides to get more tuning choices
Bumper
Front bumper with inserts
The newly developed front aero kind bumper is a tremendously durable device, which as additional function provides removable inserts. Its super easy and fast to check with or without inserts in only a matter of moments.
Central flex
Aluminium central flex system with bearings
The device consist of less and top anodised aluminium area, linked with screws for zero flex, or with bearings inside for many controlled flex. It needs removal of just 2 screws to go from fixed to managed flex.
Radioplate
Carbon fibre 2.5mm radioplate with aluminium mid-flex system
The stiff carbon fiber radioplate is one piece again aided by the flex system moving towards center of automobile, just behind the tank.
Framework
Aluminium chassisplate in 7075 T6 with optimised flex and loads slide
The chassisplate is a critical part as central product within the automobile. The flex-characteristic is a major point, plus weight stability utilizing the sliders we use and also the dissipation of temperature from the engine. The chassis is narrower inside front side to enable a somewhat different geometry. 2 sets of front side lower pivotpins holders are included to alter the geometry, run it narrow or wide. Machining associated with the chassis enables flex in another area as before, and that can be affected by utilizing the carbon brace.
Brand new geometry with narrower front end
The narrower framework ahead enables to run a slighly various geometry in leading.
Centax
Centax hardcoated alu clutch gears with 0.8 pitch
To choose the 0.8 pitch gears, the Centax gearpinions additionally needed seriously to head to the 0.8 pitch. The precision machined and hardcoated gears are durable and smooth. The Centax clutch is a Serpent innovation from the very early nineties, and is in usage by most brands now.
The durable composite front side bodyposts are excentric , to permit moving the body to front or straight back a few mm to optimize steering / downforce.
The steeringblock , which can be installed left or right, offers a system to replace the axle place more to front or back offering a trailing or leading steering, therefore the ability to replace the kingpin-inclination and offset. The steeringblock features an aluminum plate for connecting the steering-rods, 2 options for Ackermann.
The spring-steel steering-rods are fastened on alu steeringplates, which mount to the brand new steeringblocks. Optional carbon fibre disks can be installed on the side for the uprights to stiffen the construction as well as for aerodynamic reasons.
The long durable front reduced wishbones, are installed superlow in the vehicle, and feature a semi covered leg for the inner suspension pin and also the pivot link for the leading anti-roll club system, its comes with an expansion the down-stop screw . The low arms contain the lower alu shockmount dish, allowing a further out and greater mounting point the front shocks. The strong upper hands in may be used left and appropriate. Leading reduced arms hook up to the alu front bracket on low nylon holders. The kit includes 2 variations, wide and slim . This whole system also lets you change a front driveshafts very swift and simple.
The longer top hands are mounted involving the anodized aluminum top brackets, which also keep the suspensionpin inserts allowing camber-change corrections with 3 possible inserts . Underneath the alu top-brackets spacers may be used to modification angle or height. Caster spacers are used as easy videos in the top pivot pins. Exact same videos will also be utilized on the low pins to improve wheelbase.
The topmounted composite bracket offers additional stiffnes toward front side area, it holds the 3mm thick carbon fibre front side shocktower and allow the down-stop screws.
The ballraced front anti-roll club is a cable kind, with quite simple and fast open access on the front side, captured into the alu front side braces. The typical wire is 2.5mm and 2 other as options. The pivotballs link system directs the energy to the club in a smooth means and simple to adjust the tweak utilizing the captured pivotball.
In the front side the alu front side axle with Japan-made one-way bearings features now a greater pully assembly, free of 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 open front side end design allows for extremely fast and simple elimination of leading axle or parts.
The springloaded servo-saver allows simple and quick Ackermann settings. The servo-saver features a premier mounted insert and this can be utilized in 3 positions. Another 2 Ackermann jobs regarding the steeringblocks.
The steeringblocks and rear uprights connect with the arms with springsteel 8.5mm pivotballs , which operate really smooth and well protected in nylon cups, and they are an easy task to adjust with an allen tool.
2.5mm carbon fibre radioplate using the the center flex-control system. The radioplate holds the fueltank, the receiver battery pack together with integrated electronic devices bracket/box, along with the center flex system
This new center flex system consist of a lesser and upper CNC machined aluminium bracket and a smal carbon brace. The upper one is fixed on radioplate and the low one to the middle radioplate mount.
In rigid standard positon top of the and lower brackets are installed fixed with 2 screws.
In flex position the two bearings have been in place and with the 2 screws dis-assembled, offer the main framework flex.
Compact composite brace and package in one, which holds and protects the receiver and mounts both servo?s, which both lay on the edges, as little as feasible, simply a little approval to permit for chassis flex. The cap associated with the receiverbox provides a unique yet simple and easy safe holder for the cable connectors associated with the receiver, which works as a straightforward switch and is really accessible.
The optional carbon transponder brace mounts towards the built-in electronics brace. When working with a little receiver, the container has area to carry the transponder too, but needs to be tested for function ahead of the race. Within our test it worked.
Minimal 125ccm fueltank in an extended and narrow design, with a premounted bronze filter. The narrow tank will guarantee an improved fuel-supply on motor, as the gas can move less laterally. The labyrinth inside the fueltank may also keep the gas more stabile and prevents foaming. The tank comes with elevated sections into the front, which can make sure the fuel remains near the filter as soon as the tank is amlost empty. This creates like a caution sign a couple of seconds before the tank goes completely empty, so you can try to find a safer spot to park. The fueltank has a good springloaded cap and silicone rubber shaped seal, and has now a link for the stress line. The inner bottom of this tank allows for mounting inserts to cut back amount if required.
The composite nylon radioplate bracket, holds a corner an element of the radioplate and the strong chromed angled roll-bar, and mounts the adjustable ballraced belt-tensioner. An aluminum one is optional.
A lot of the topmounted screws come in allen 2.0mm size, with the exception of the upper suspension brackets in 2.5mm.
The batteryholder between the tank and part gear , is made to fit the more typical Lipo packages. There's also room enough to suit an everyday batterypack. The owner incorporates a simple spacing system to permit this.
The light, hollow 8mm hardcoated aluminium middle shaft is kept rigidly in place a small, low put and light alu holder, which also holds the spring-type exhaust-wire.
The final drive ratio associated with the vehicle is 2.286
28T front 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 real pullies have holes in part flanges to allow dust and dirt to move away easier. The 977 has the latest pullies, with an increase of teeth, therefore larger diameter making the belts run smoother, with less friction.
The belts are low friction kind as standard, back one as 8mm, side in 6mm and front 6mm too. The adjustable ballraced belt-tensioner ( carbon, alu) keeps the sidebelt operating smooth.
The reduced seated anodized aluminum motor mounts keep carefully the engine well positioned and aligned and transfer heat on framework within the easiest way.
The rear end construction with all the alu brackets holds the brake and rear axle. Its available design permits eas of maintenance and cleaning, and needs not many screws to dis-assemble. Replacing a belt in case needed, is simple and very fast too. The excenter regarding rear shaft enables belt tensioning. Your whole rear end could be eliminated together product from framework, with very few screws.
A corner axle sits low in the vehicle, to attain more technical hold.
The brake is in the back axle, beside the solid axle pully. This decreases the inertia effect of the brakedisc plenty because the rear axle spins much slower compared to the twospeed shaft. Also the brake-stress on the rear belt is practically gone. Its a very compact system and well protected against dust, yet still available sufficient allowing for adequate coolng. The swimming ventilated brake-disk rotates on a corner axle together with springloaded cam-operated braking system pads will provide all the stopping power you will need. The race braking system pad product is baked on strong metal plates and allows really accurate braking with a lot of brake-feel / feedback. As opposed to a cable we chosen the well-proven wire-linkage of Serpent vehicles.
The ballraced braking system activator is bolted in a light alu holder toward right back bracket.
The ballraced rear anti-roll bar mount in metal adaptors, which operate in nylon spacers in alu holders as important an element of the back brackets, with 2.5mm as standard wire and 2 other as choices. The anti-roll club links toward rear lower arms with adjustable trackrod guidance.
The solid rear axle with lightweight 48T pulley in Serpent springsteel, 9mm wide with 4 slots the pin.
The aluminium backside brackets and the 2-speed layshaft holders have actually tiny ears which allow for mounting regarding the optional alu or rubber spacer, to control flex. Either full flex, no spacer, or some flex with rubber spacer, or zero flex with the aluminium spacer.
The suspension bracket and backside plate keep the pins securely and now have composite roll-center inserts allowing for quick and exact changes.
Within the back strong springsteel driveshafts , springsteel wheel-axles with alu quick-change levers and a springsteel rear axle. Very durable and lasting drivetrain
The long durable back reduced wishbones can be utilized left and appropriate. The lower rear arm holds the reduced mounted website link the back anti-roll club and holds the alu mounting bowl of the trunk shocks, makes it possible for a situation that is really far to your back also to the surface for best performance/ geometry. The lower arms also support the easy to get at down-stop screws. Nylon videos are employed regarding the reduced backside pins to alter wheelbase.
The durable composite uprights support the ballraced springtime metal wheelaxles, with aluminium quick-change levers. The 8.5mm piotballs are used to adjust camber without headaches aided by the smooth hex-shaped plugs . The arms associated with drifting bodymount mount towards the top of uprights. On top of the up-right spacers could be added in pivotball to alter rollcenter and camberchange.
Optional carbon fibre disks may be installed on along side it of the uprights to stiffen the installation as well as for aerodynamic reasons.
The adjustable back upper camber links mount towards back carbon camberplate with 2 roles .
The trunk floating bodymount is installed on the up-rights with 2 hands and held in place by a carbon-fibre-steel guider. The mount has 4 jobs each side to pick from, depending on human anatomy In use. The end of the mount enable mounting body-supports , with complete threading allowing exact positioning. The device leads the available downforce direct onto towards uprights to your tyres.
Composite 2-speed gears with 0.8 pitch
Smaller lighter gears and with 0.8 pitch for smoothness and gratification. The precision machined and hardcoated gears are durable and smooth.
The innovative Serpent True Motion Centax clutch is fitted. Serpent as inventor of initial centax clutch, is promoting the clutch over the years as well as the present variation excels in power throughput , reliability and eas of environment. The conventional variation includes a steel clutch bell, red centax show and hard anodized clutch-gears.
The kit features high speed ballbearings, mostly sealed ones with aeroshell lubrication or oil. All bearings in car ( except for the servosaver and brakecam) are seated in nylon bushings to lessen vibrations and play.
The shockabsorbers will be the latest Serpent RCM units with membrames. The threaded houses with setting-nuts ( o-ring inside) makes ride height modifications effortless and precise. The RCM shocks are smooth, and simple to put together and fill. The shocksprings are chosen, matched, flatgrinded, colorcoded units, equal size front and backside.
