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- Brand:
- Serpent
Product Type: - Gas Cars > 1/8
The Serpent Viper 989 40th anniversary is the latest development of Serpent on the 1/8 gas market. The Viper 989 has shown it’s potential at the first appearance at the world championship in steel city. With 2 cars in the main final and leading until 3 minutes from the end has shown that the work on it’s main features like weight, weight distribution, flex, transmission has been successful. To celebrate the 40th anniversary of Serpent, we will come out with this edition of the 989, which is the exact replica of what the team used at the Worlds, including the parts necessary to also copy that exact set-up. Due to the unique circumstances at this race with the extreme grip, this set-up will not always work, but a more “standard” set-up is also possible The kit wil come with a Serpent Pit Mat 40th anniversary www.serpent.com/1904 and a Serpent Rugsack 1/8 www.serpent.com/1906
> Downloads
16-06-20 Ref guide Viper 989 40th anniversary edition 24 KB Download 16-06-20 Manual Viper 989 40th anniversary edition 13 MB Download
> Description
The left and right interchangeable upper arms are mounted with 3 position nylon suspension pin inserts. 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. 
The ultra-narrow keeps the improved flex characteristics. The chassis is milled down in less load-stressed areas to make it as light as possible and still remain stiff in areas where needed. 
Of course we kept the unique way to add weights, easily adjustable in it’s and the way it is it mounted to reduce vibrations by using a carbon weight bridge which is mounted in anti-vibration rubbers. 
On top of that we have added the possibility to add a sliding weight right in the front, mounted on a carbon bridge. It helped a great deal in avoiding traction roll and fine-tuning the handling of the 989 
The new midshaft assembly features a new block. This one is designed to move the shaft slightly forward. The front belt as a result is now 210mm long instead of 213mm
This was done to be able to use the sidebelt with only one belt tensioner instead of the two.
As a result the transmission is a lot more free. 
The rear arms feature carbon inserts as used by the team at the Worlds 
The front arms in the 989 40th anniversary kits are the open style arms of the 977, of course with the added mounts for the heave brackets
At the worlds the team also preferred another bumper. This has less steering than the 989 bumper but provided a more consistent feeling.
If more steering at high speed is needed, it is always possibly to use the 989 bumper
Another feature of this kit are the “option 2” steeringlevers. These provide a different ackerman for a smother, more linear feeling on the steering 
Complete new front springs with a different rate and progressiveness are also part of this kit
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