Serpent | Serpent Viper 990 EVO 1/8 GP (SER903021) SER-903021

Serpent | Serpent Viper 990 EVO 1/8 GP (SER903021) SER-903021

Numéro d'article: SER-903021

Code barre – EAN /GTIN: 0630282896550

catégorie: 1:8 Onroad

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799,99 €

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Serpent

The Serpent Viper 990 EVO is the successor of the successful 990.
It features new “flex shock mounts”, offering extra flex adjustment as well as having the
possibility to fine-tune the shock positions.
The EVO also features a new bumper which is lighter, offers more body support and is stiffer
as well! It also improves aero due to a better fit to the bodyshell.
Also part of the upgrade is a new tank as well as a new topdeck.
On top of that we improved reliability

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New key features.
Shock mounts:
The most visible new feature are the new shock mounts. They offer the possibility to add more
flex by removing the connecting carbon brackets.
It is also now possible to change the shock angle on the inner mounting position in small 1mm
steps
New bumper:
Another improvement has come from the new bumper. It is an aerodynamic improvement, but
as the same time it gives more support to the bodyshell. It also is a lot more resistant to
bending. All of that comes with a reduced weight by almost 10g!!!
Redesigned tank and topdeck:
The EVO also features a revised fuel tank, allowing more clearance with the carburettor, and
also allowing to raise the tank as desired. The new shape of the tank is accompanied by a
revised topdeck
New front lower arms:
The new front arms feature a carbon downstop lever which gives a much more accurate and
consistent downstop setting, a very important part of the car’s setup.
Redesigned front one-way:
A modified front one-way shaft allows a more narrow setting than in the past. A front narrow
trackwidth is important to be able to achieve on most tracks nowadays
Modified front and rear arms:
Another change to the arms (front and rear) is the extra 1mm adjustment in wheelbase. We
found that in some circumstances the car is better with a longer wheelbase.
Eccentrics front and rear:
Of course the EVO still features the removable inserts for the upright as well as the steering
blocks for super easy maintenance.
In the EVO both inserts are centric, eccentric versions for extra setup possibilities are available
as options
All of the above features have been extensively tested and
found to improve performance.
Rear toe link and arm:
The rear toe-link has been beefed up. The rear lower arm is beefed up as well, also giving more
support to the inner, longer pivot ball.
Upright and steering block:
The rear upright as well as the front steering block have been reinforced as well.
Servosaver post:
Finally, the servosaver shaft has changed from aluminium to steel.
New Optionals.
Battery position:
It will be possible to put the battery underneath the fuel tank to improve the left-right weight
balance.
The batteryplate is also available in brass, in case you need more weight to achieve the
minimum weight.
Chassis stiffner:
The new topdeck allows for another new option which is the new stiffener bracket connecting
the rear end to the topdeck
Main features.
Chassis:
7075 T6 Aluminium 5mm chassis plate
The 5mm aluminium chassis has perfect symmetrical shape for even flex and weight
distribution. The ultra-narrow chassis is very light, while it still remains strong in critical places.
The central weight bridge is now mounted from underneath and allows for a quick change of the
weight. The weight itself is now fixed using a nylock nut. Bulletproof!
The optional front weight bridge is now also mounted from the bottom to allow easy access to
the weight. Also the front weight is now adjustable from the bottom.
There are 2 additional locations to put a small weight, just behind the servo-saver and in front of
the engine.
Radiobox:
The “backbone” of it is a carbon plate and an aluminium frame. The aluminium servo mounts
are eccentric and can be mounted in 2 ways to adjust them to the brand of servos. The receiver
box is more spacious than the one used in our 988, still it is very compact. It provides enough
space even for older type receivers plus the transponder
Antiroll bar:
The wire type front anti-roll bar is ball raced. It is easy to change and adjust due to the open
front end design. The standard wire is 2.5mm and 2 optional thicknesses are available. The
pivot ball link system directs the suspension movement to the bar and allows easy tweak
adjustment.
Front lower arms:
The long durable front lower wishbones are the open-style arms similar to the 977. An
aluminium shock mount plate is screwed onto the lower wishbone. This allows the shock
attachment point to be placed further outwards improving shock motion. The front lower arms
are mounted to the front brackets with nylon holders. The kit includes 2 versions: in and out.
This system also enables quick and easy front drive shaft maintenance. Of course the 988
closed arms are usable as well
Front suspension brackets:
The 3 position inserts allow camber-change adjustments and are held in place by the anodized
aluminium top brackets. Below the top brackets, spacers can be used to change their angle or
height. Caster is adjusted with clips on the upper pivot pins. The same clips are also used on
the lower pivot pins to change wheelbase.
Servo saver:
The central mounted seervosaver allows easy and fast Ackermann adjustment. The servosaver
features a top mounted insert which can be used in 3 positions. Another 2 Ackermann positions
are available on the steering blocks.
Rear end assembly:
The rear end construction with aluminium brackets is a very open design, which allows for easy
of maintenance and cleaning. Dis-assembly requires the removal of only a few screws.
Replacing a belt if needed, is a simple task. The eccentric bearing holders on the rear shaft
allow adjustment of belt tension. The whole rear end can be removed as one unit from the
chassis by removal of only a few screws.
The narrow solid rear axle in Serpent spring steel has a lightweight 9mm wide 48T pulley. The
axle has a double slot for the driveshaft pin for lightness and long life. Spring steel, CVD type,
drive shafts connect the rear shaft to spring steel wheel-axles with aluminium quick-change
levers. A very durable and long lasting drivetrain.
Rear body mount:
The rear floating body mount which is mounted on the up-rights with 2 arms is centred by a
carbon-fibre and steel guider. The mount has 4 positions on each side to choose from,
depending on body shell used and traction available. The threaded holes on the end of the body
mount give the option to add further body-supports.
Optionals:
Our new MBL competition belts feature a special construction of the internal Kevlar
reinforcement fibers, combined with a new material of the belt itself.
The belt improves the drivetrain efficiency by 50% due te reducing the external as well the
internal friction.
903854 Belt 90S3M201 MBL competition S9XX
903855 Belt 60S3M210 MBL competition S9XX
903856 Belt 60S3M432 MBL competition S9XX
Bodymount Carbon:
The new Carbon bodymount is a much lighter version then the original bodymount.
It provides excellent support for all Xtreme bodyshells. The total weight is 21gr, witch saves 14
gr to the standard bodymount.

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