> Natrix 748-e 1/10 200mm ep car (#804009)
- Brand:
- Serpent
Product Type:- Electric Cars > 1/10 200mm
Natrix 748-e 1/10 200mm ep car State of the art 200mm electric powered 200mm racing car. 4wd, 2-belt drive, geardiffs, fully adjustable suspension, RCCX SS shocks, machined motor -mount and mid shaft mount, carbon fiber chassis, topdeck, shocktowers and batterybraces, springsteel transmission parts, ballraced anti-rollbars and ultra low LCG steering/ servo system. Design by Michael Salven and Nacho Lopez.
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> Description
Serpent NATRIX 748-e
1/10 scale electric powered 200mm racecar
Serpent introduces the Natrix 748 in an electric powered 748-e version
Serpent made the 1st decidated 200mm electric powered car, based on the successful Serpent 747 a few years back and also as 747-e it has been selling well since then. Time to follow up with the successful Natrix 748 e-version
Main advantages of an electric 200mm car are:
- 200mm is more stabile and easier to be fast than with 190mm
- Very suitable also to use on larger 1/8 scale gastracks
- Use of wider foam tyres, makes racing easier, and no need for tyre oil
- Can handle both 2S and 3S battery packs, use 1/10 or even 1/8 speedo.
- Very strong and durable , as based on front and suspension of the heavier 1/10 scale gascars
- Good range of optionals
- Good range of bodies and tyres, even better when you race 1/10 gp too
- Silent but very fast, so ideal for rc tracks that dont allow GP cars (after certain hours).
Main specs
- superlight racing chassis,
- 2-belt drive system,
- front and rear compact geardiffs
- carbon chassisplate,
- carbon topdeck
- carbon shocktowers f rand rr
- Carbon battery holders
- ballraced anti-rollbars,
- fully adjustabe suspension,
- innovative fully adjustable steeringblocks
- aluminum motormounts which doubles up as midshaft holder and rear anti-roll bar holder
- ballraced midshaft is mounted in seperate brackets to allow easy and fast spurgear changes
- very low steeringservo position, with centrally mounted supports in alu/carbon structure
- 2 alu L-shaped topdeck supports with integrated ballraced belt tensioners
Serpent 748-e; details
Chassis
Symmetrical chassisplate for even flex and torsion in 3mm carbon fibre, lowered where the motor mounts as low as possible in the car.
Topdeck
The 2mm carbon fibre topdeck connect the front and rear suspension.
Battery holders
The battery holders are in carbon fibre and have sleeves to enable use of battery mounting taope easily.
Servo-holder
very low mounted servo, a a strong carbon/alu holder which is centrally mounted for even flex
Motor / midshaft / anti-roll bar holder
the motor is mounted on a low strong aluminium holder, which doubles as mid-shaft holder and rear anti-roll bar holder as well.
The mid-shaft mounts in 2 seperate holders with the ballbearing inside to enanble a fast and easy change of gears.
SuperShort RCM shocks
Coated threaded shockbodies in high quality aluminium. Supersmooth o-ring / bushing package, to guide and seal the spring-steel piston rods. Precision moulded pistons included in 3 types. Threaded pre-load shocknuts in alu with o-ring inside. Light but strong nylon spring-cups. Selected, matched and paired shockabsorber springs with color coding.
Front bumper and bodymount
Front bumper with aerodynamic effects and excellent protection. Some parts of the lower bumper can be cut open to create more steering. Medium or small foam bumper pad scan still be fitted as optional. The upper carbon fibre bodyplate mounts to the front bumper with alu post and secures the front bdyposts
Shocktower front
Superlow 3.0mm carbon fibre shocktowers with 3 positions for upper shockmounting. In the centre you can mount the 3rd bodypost as needed.
Front brackets
A compact and superlight structure of topquality aluminium parts consist of top-brackets, L and R equal bearing brackets, lower suspension bracket front. The open style design allows for very fast parts exchange as needed, like belt, diff or anti-roll bar.
Suspension front
Strong long double A-arm suspension with aluminium pivotballs, which pivot in light nylon cups. Hard type composite arms. The arms pivot on the inside on springsteel pins. The pivot-inserts are used to change rollcenter. Small grubscrews mount in the upper bracket to control downstop. Easy to access and change ride height, front width, toe-in, caster and camber.
Steeringblocks
Very strong composite steeringblocks with 2 ackermann positions, L and R use the same . The steeringblocks feature inserts, which allow to change the kingpin inclination to a leading or trailing position. The steeringblocks also allow use of the optional carbon fibre aero disks to be mounted for less flex and a more direct steering feel.
Wheelaxles / cvd
The spring-steel wheelaxles are seated in high speed bearings. The light and durable spring-steel cvd�s bring all the power to the front wheels. Wheels are mounted to orange anodised high grade aluminium hex-adaptors using flanged wheelnuts.
Anti-roll bar front
The ballraced wire type anti-rollbar in the front is really easy to access and change for other type or thickness as needed. The anti-roll bar is linked to the lower a-arms with a unique pivotball/cup system, which provides direct and smooth operation and is easy to set and adjust.
Servo-saver / steering
The new lowered centraly mounted steel servo-saver post fits the spring-loaded ballraced servo-saver system and steering. The inserts allow 2 ackermann settings. Due to the open design the linkages with L/R threading can be reached easily. The whole system allows for very precise steering and minimum bumpsteer.
Middle shaft holder
Machined 2 piece aluminium middle shaft holder, which securely holds the spring steel middle shaft, and doubles up as holder of the pipe-mount.
Rear brackets
Very rigid but open rear end design with a composition of machined alu brackets, allowing for easy maintenance. The differential brackets, L and R equal, are toothed and seat the excentric bearing holder, which allow for setting belttension. Its very quick and easy to mount a differential and or replace a belt. The machined aluminium lower suspension brackets have roll-center inserts with 3 positions to choose from. The rear bracket is the narrow V1 version.
The 2-speed gearbox shaft holders, double up as anti-roll mounts, and brake system basis. All topquality machined parts with anodising and laser-engraving.
Brake -system
the low mounted brake system with superlight disk allows for smooth and even braking, and the open system avoids overheating. The ball-raced excenter and lever gives a very smooth and direct brake-feeling.
Rear carbon shocktower and camber bracket
The low 3.0mm carbon shocktower has 3 upper mounting position for the shocks and it mounts the body-posts. The camber bracket offers 8 positions to choose from, 4 inner and 4 out holes. The shocktower is prepared to mount the extra body-protectors, which are optional.
Suspension rear
The Hard lower rear composite arms together with the updated uprights create a wider set-up sweet-spot with more grip and more steering. The upper camber rods connect to the carbon camber bracket with 8 mounting positions for roll-center and the camber rod is easy to access and has L/R threading for fast changes. The aluminium pivotball system allows for fast changes in width and toe-in. On the lower inside the wishbone pivots on springsteel pins, which seat with roll-center inserts in the anodised alu suspension brackets.
Lower rear wishbones
The hard composite lower wishbones feature a mounting position for the anti-roll bar linkage which moves the link position more outside. Its also offers a mounting position for an optional carbon shock-mount bracket, to move the lower shockmount position further out, but for the default set-up its not needed. By placing the lower shock further out, you will get even more steering .
Uprights / wheel-axles
Durable medium type composite uprights, which seat the wheel-axles bearings. The upright offers the mounting position for the steel camber-rod with L/R threading. Rolll center chnages can be made on top of the upright with shims. The upright can be mounted with the optional carbon fibre aero disks for more rear grip and straight line stability.
Wheelaxles and driveshaft
The durable spring steel wheelaxles combined with spring steel driveshafts bring the power from the gear-diff to the wheels. Wheels are fitted on high grade anodised alu wheelhex adaptors and secured with flanged wheelnuts.
Anti-roll bar rear
The ballraced wire type anti-rollbar in the rear is really easy to access from the top and change for other type or thickness as needed. The anti-roll bar is linked to the lower a-arms with a spring-steel rod.
748 Gear-differentials
Compact, durable and lighter gear differential. Precision moulded steel gears, 2 small 14T and 2 large 28T ones. The very durable and light spring steel lightened diff-adaptors connect to the driveshafts. Front and rear geardifferential share the same internal parts.
CVD driveshafts
Spring steel, light and very durable CVD�s used in the front. Precision mounted hard steel pins
Drive-shafts
Spring steel, light and very durable dogbones used in the rear. Precision mounted hard steel pins
Pullies
Precision moulded super-true pullies, which feature holed sidewalls to let debris move out easier. Light and durable.
Belts
Low friction Kevlar reinforced belts with fine pitch. Longlasting and smooth.
Manual / set-up sheet
The 748-e comes with an online only full color assembly manual in PDF, with easy to follow assembly steps. The manual also includes exploded views section showing all part numbers. Set-up sheets and editable sheets are in the Serpent website.
Decals
The 748 includes one sheet with Serpent generic logo�s and one with 748 logo�s. Decals are very thin material and come pre-cut.
Packing
The Natrix 748-e comes in a strong, small carton box with nice graphics. The packing of the bags follows the steps in the manual.
Designed by World and European Champion Michael Salven together with Nacho Lopez
Michael Salven as chief designer, developed this Natrix 748-e based on the Worlds TQ and Vice Champion Natrix 748 GP kit together with Nacho Lopez.
FB group: https://www.facebook.com/groups/SerpentNatrix748e/
Promopage: http://promo.serpent.com/natrix-748e/
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