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4

 Safety matters

 Read this first

All instructions in this manual must be followed to ensure safe use of the car. 

This model is not intended for use by children under 14 years .

Quick-start

 

This is a highly technical hobby product, intended to be 

used in a safe racing environment. This car is capable 

of speeds in excess of 80 km/h or 50mph. 

 

Please follow these guidelines when building and 

operating this model.

 

Parental guidance is required when the builder/user 

 

of this car is under 16. 

 

Follow the building instructions. If in doubt, contact 

your dealer or importer.

 

Be sure to use the proper tools when assembling the 

car. Always exercise caution when using electric tools, 

knives and other sharp objects.

 

Be careful when using liquids like lubrication oil or 

glue. 

 

Do not swallow.

 

Follow the manufacturer’s instruction in case you 

 

experience irritation after using the product.

 

Be careful when operating the car. Stay away from any 

rotating parts such as wheels, gears and transmission. 

 

Stay away from speedo during and immediately after 

use, as these parts may be very hot. We advise to use 

protective handgloves.

 

Only operate this car in a safe environment, like a 

special racing track or a closed parking lot. 

 

Avoid using this car on public roads, crowded places 

or near infants.

 

Before operating this car, always check the mechanical 

status of the car. Check that the batteries of the 

transmitter and receiver are fully charged. After use, 

always check all the mechanics of the car. We advise 

to clean the car immediately after use, and inspect the 

parts for wear or fractures. Replace when necessary. 

Do not use water, methanol, thinner or other solvents 

to clean the car.

 

Store the car in a dry and heated place to avoid 

corrosion of metal parts.

 

Avoid using this car in wet conditions as the water will 

cause corrosion on the metal parts and bearings  and 

these parts will cease to function properly. If driven 

in the wet, ensure that all the electric equipment is 

waterproofed and after use, that all moving parts are 

dried immediately.

Important pre-cautions

 

Only run the car is designated areas or areas with very 

few people, so no-one can get hurt.

 

The car has a lot of power and the turning parts on the 

car can cause damage, also some parts of the car like 

transmisison and motorparts can become very hot. So 

wear protective clothing both as driver and helper and 

be carefull when picking up the car.

 

Do not operate the car under dark conditions, as both 

you and others may not see the car properly and can 

get hurt, due to lack of car control.

 

Use good  common sense while operating the car so 

you can fully enjoy your car. 

Battery and battery-charging

 

The battery and battery-charger are not included with 

this model. We advice to use  good quality NimH or 

Lipo rechargebale battery-packs with 4000 mA or 

more. Check carefully to buy batteries with the correct 

connector for the speedcontroller, or also purchase 

and mount other fitting ones.

 

Use proper  battery-charger  specifically designed for 

that type batteries and follow the instructions of the 

battery supplier and the charger correctly. 

 

Keep the battery and charger always in dry places 

only and never leave un-attended during charging.  

 

When the batteries are at their end of life, dispose 

them at a recycling-place, check www.call2recycle.org 

for more info.  

The quick-start section is not a replacement for the full 

instructions. To be able to use the model to its best take 

the time to read the full manual. 

1. 

Read the manual and safety pre-cautions ( page 3) 

2. 

Buy and install the batteries in the transmitter ( see 

Transmitter manual)

3. 

Install battery packs in the model, make sure the 

speedo is switched off, connect the cables (avoid 

reversed polarity) and securely fasten the battery-

pack.

4. 

Turn on the transmitter (see Transmitter manual). 

Always  turn  on  the  transmitter  first 

before to switch 

on the car and only turn off the transmitter after you 

switched off the car.

5. 

Check servo operation. Check that the servo works 

correctly and check that the car runs straight in neutral 

position, trim as neededPerform a range test with the 

radio system  

6. 

Personalise the body of your car by applying more 

decals if required.

7. 

Drive your modelcar.

8. 

Maintain your modelcar (page 9)

Summary of Contents for Cobra GT RTR

Page 1: ...INSTRUCTION MANUAL REFERENCE GUIDE 1 8 scale Ready To Race electro GT ...

Page 2: ...Page 2 powered by ...

Page 3: ...and leads the way in 1 8 scale chassis design using all the knowledge our designers have gathered from racing GT cars for over 15 years into this design too Continuously pushing the performance envelope Designed tested and raced by Billy Easton USA World Champion This manual contains a number of steps you need to follow to operate the Serpent cars in the right way This manual also contains a quick...

Page 4: ...re dried immediately Important pre cautions Only run the car is designated areas or areas with very few people so no one can get hurt The car has a lot of power and the turning parts on the car can cause damage also some parts of the car like transmisison and motorparts can become very hot So wear protective clothing both as driver and helper and be carefull when picking up the car Do not operate ...

Page 5: ... servo MG Dragon RC prepainted and pre cut bodyshell Required for your model Multi Charger to charge transmitter battery and car battery Battery pack 2 S Lipo x 2 Battery AA x 4 to operate the transmitter Tools selection of allen tools and screw drivers Hobby knife Camber gauge Recommended materials Side cutter and nose plier Cleaning brush and towel Safety glasses and gloves Cleaning gum Thin bea...

Page 6: ...ink Front wishbone Steering servo Steering system Steering link Chassis Center diff Battery cover Spur gear Rear camber link Differental Central rear driveshaft Speedcontroller Brushless motor Rear anti roll bar Rear bodymount Rear wishbone Shocktower rear Shocks rear Race tyres Steeringblock Receiver ...

Page 7: ...responsive car But you will have more steering once you have entered the corner Rear anti roll bar by using a softer anti roll bar you will have more sag more chassis roll lean more dive and a less responsive car But you will have more rear traction and a more stable car Toe adjustment Front adjusted with the track rods make longer or shorter More toe in will create more steering but less stabilit...

Page 8: ...Page 8 ...

Page 9: ... dirt play and pins Clean thoroughly as needed and lubricate the touching parts with a small amount of grease or oil Differentials Check the differentials and gears for wear and dirt and clean as needed Check the functionning of the diff by turning the wheels in opposite direction and feel if still smooth or gritty In case of gritty feel the silicone oil may need replacement The full assembly manu...

Page 10: ...haft 4 600184 Pivotball 6 75 double 4 600234 Shock cartridge stepped 4 600235 Shock cartridge 4 600319 Shock revision set 20 600568 Shock mount 811 S 2 600573 Shock top 811 S 2 600574 Shock top nut 811 S 2 600592 Shock shaft 811GT 2 600689 Shock body alu 811GT RTR 2 Shock Absorbers option 600287 Shock spring support alu 4 600357 Membrane webbed silicone 4 600595 Shockset fr rr 811GT 2 600597 Sprin...

Page 11: ...R 811 2 0 S 2 600680 Wheelaxle RR 811 2 0 S 2 600691 Shock tower rr alu GT RTR 903343 Antirollbar Spacer 3mm 2 Rear Section option 600155 Suspension bracket RR RR 3 600156 Suspension bracket RR FR 2 600237 Antiroll bar rear 2 3mm 600238 Antiroll bar rear 2 5mm 600239 Antiroll bar rear 2 7mm 600263 Washer M3 alu 12 600265 Suspension bracket RR FR 2 5 4 5 600266 Suspension bracket RR RR HR 3 600267 ...

Page 12: ... roundhead flanged M3X6 10 110173 Screw ph countersunk widethread 2 5x12 10 110174 Screw allen countersunk M4x6 10 110175 Screw allen cilinderhead M3x40 10 110176 Screw allen cilinderhead M3x18 10 110177 Screw allen roundhead M4x12 10 110178 Screw allen cilinderhead M3x14 10 110179 Screw allen roundhead M2 5x8 10 110180 Setscrew allen M5x10 10 110181 Screw M5x10 Nut nylon black 4 4 110182 Screw al...

Page 13: ... 20pcs with Tools bag 190509 Allen wrench 1 5 x 120mm 190510 Allen wrench 2 0 x 120mm 190511 Allen wrench 2 5 x 120mm 190512 Allen wrench 3 0 x 120mm 190513 Ball driver Hex wrench 2 0 x 120mm 190514 Ball driver Hex wrench 2 5 x 120mm 190515 Ball driver Hex wrench 3 0 x 120mm 190516 Tool tip allen wrench 1 5 x 120mm 190517 Tool tip allen wrench 2 0 x 120mm 190518 Tool tip allen wrench 2 5 x 120mm 1...

Page 14: ...00425 600210 600425 600215 600562 Complete FR RR 44T diff 600501 Complete centerdiff 46T 600324 Complete DIFF uni 600325 FRONT REAR CENTER 600421 600627 1396 600627 600421 600559 1394 110124 110102 600446 600446 600624 600443 600324 600324 DIFFERENTIAL ASSEMBLIES TRANSMISSION CENTER ...

Page 15: ...600538 600112 600536 600112 600495 110z147 600532 1393 600534 600112 600551 600126 110107 600112 110118 110431 1395 600131 600126 600544 600193 600543 110301 600193 600225 600557 110301 110301 110301 110148 600641 110212 600131 600541 600131 110167 110167 140439 140439 110401 600553 110402 110402 110401 600691 600553 600130 600238 600691 110116 110116 600546 600546 110145 600583 600583 ...

Page 16: ...37 110216 600535 110105 110138 110107 600548 600548 600548 600126 600545 600545 600129 600495 1395 600532 1393 600112 600533 600129 600549 110402 600553 110401 110439 110140 600690 110107 600126 110431 110147 903343 903343 110116 600241 600546 600582 600614 600582 110141 110126 110127 110126 110126 110127 110127 600546 110116 600129 600690 110116 110116 110116 110107 600537 600197 110432 FRONT ASS...

Page 17: ...2 1321 600105 600109 600169 600555 600574 600573 600111 600689 600113 600158 600234 600235 600118 600118 600118 600592 600180 600145 110407 600597 Spring Fr Rr Red 811 GT 18 lbs 2 600598 Spring Fr Rr Purple 811 GT 21 lbs 2 600599 Spring Fr Rr Yelow 811 GT 29 lbs 2 600600 Spring Fr Rr White 811 GT 31 5 lbs 2 600601 Spring Fr Rr Silver 811 GT 34 5 lbs 2 600112 600112 600131 110159 110159 600592 6001...

Page 18: ...499 600437 110127 110146 600436 110140 600436 1667 1667 600479 600436 110102 110102 600436 110116 110102 600442 600552 110402 110112 600436 1606 110149 110149 110116 110108 600555 600500 600436 110146 600437 110437 110402 110104 600554 110407 ...

Page 19: ...00581 600581 110132 110219 110132 110132 110151 600685 600224 600571 600184 600224 600184 110405 110137 600456 110118 600447 110151 600568 110137 110132 110405 110132 600581 600583 110219 110219 600581 600583 600222 1601 1601 ...

Page 20: ...Page www serpent com info serpent com 82385Manual ref guide S811 GTe RTR version 1 ...

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