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Summary of Contents for Serpent 710
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Page 2: Table Of Contents
FRONT ONE-WAY AXLE B13. SOLID FRONT AXLE (optional) B14. FRONT BALL DIFFERENTIAL (optional) B15. REAR DIFFERENTIAL B16. REAR SOLID AXLE (optional) QUICK REFERENCE DEFAULT SETUP SHEET All texts and images contained within this booklet are copyright of Serpent MRC ©2004... -
Page 3: Introduction
Setup Order We have determined that you should set up your 710 in the order indicated in the table below. The order of the settings has been determined as the most logical to set up your 710 properly and easily. -
Page 4: Section A - Basic Setup
SECTION A - BASIC SETUP This section describes the default settings for the 710. We strongly recommend you thoroughly read this section so you understand how the settings are adjusted. The setup described here is a good starting point. After rebuilding the chassis, or in case you become lost with your setup, always return to the setup described here. -
Page 5: A2. Shock Absorbers
Shocks, or shock absorbers, are a part of the suspension that allow the wheels to keep as much contact with the running surface as possible. The 710 features unique 4-step externally-adjustable racing shocks that do not require you to change pistons or change shock oil to alter the damping. - Page 6 A2.1 Setting the front shock absorbers - damping Front shock damping setting= 3 holes open Adjust the front shocks to 3 holes open. Turn completely CW, then turn 1 click CCW. A2.2 Setting the rear shock absorbers - damping Rear shock damping setting= 3 holes open Adjust the rear shocks to 3 holes open.
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Page 7: A3. Track Width
A3. TRACK-WIDTH Track-width is the distance between the outside edges of the wheels, front or rear. It is important that front or rear track-width is adjusted symmetrically, meaning that the left and right wheels must be the same distance from the centerline of the chassis. Initial steps A Shocks: Attach front and rear shocks. -
Page 8: A4. Ride Height
To increase rear track-width, turn OUT the rear upper pivotball AND both rear lower pivotballs. To decrease rear track-width, turn IN the rear upper pivotball AND both rear lower pivotballs; do this equally for both right and left sides. A4. RIDE HEIGHT Ride height is the distance between the bottom of the chassis and the reference surface on which the car is sitting. -
Page 9: A5. Camber
Note: You can measure camber using the HUDY Set-Up System (on a flat reference surface), but you may get slightly different camber readings than those from using Serpent camber gauge. The reason is that tires (especially the rear tires) have a tendency to lay flat on the surface. -
Page 10: A6. Caster
A5.1 Setting front camber Front camber setting = -1.5° Set the front camber to –1.5° (tops of front wheels leaning inwards). Adjust front camber by turning the front upper pivotball in or out. To get more negative camber, turn the front upper pivotball IN. -
Page 11: A8. Anti-Roll Bars
Initial steps A Shocks: Connect the front and rear shocks. B Wheels: Mount all 4 wheels on the car. Set-up apparatus Place the car flat on the rear shock tower and measure the rear toe using Serpents camber gauge #1460. A7.1 Setting front toe Front toe setting = -1.0°... -
Page 12: A9. Suspension Tweak
A8.1 Setting the front anti-roll bar Front anti-roll bar setting = horizontal (softest) Set the front anti-roll bar to the horizontal (softest) position. Adjust the front anti-roll bar by turning both blades to an equal angle. When the flat of the blade is horizontal, this is the softest position. - Page 13 A9.2 Adjust the preload on the rear springs until both front wheels lift at the same time. Increase the preload on the rear wheel diagonally across from the front wheel that lifts earlier, and decrease the preload on the rear wheel diagonally across from the front wheel that lifts last.
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Page 14: A10. Rear Differential
The rear differential can be used to fine-tune the rear traction of the 710. A looser rear diff gives more rear traction, while a tighter rear diff gives less rear traction. You can also adjust the slippage (preload) of the rear diff pulley. -
Page 15: Section B - Advanced Setup
‘spot on.’ Changing the setup of your 710 in one particular area will not make a dramatic negative change in the behavior of the car. - Page 16 there will be as a result of chassis roll. A lower roll center will generally produce more grip. Roll-centers have an immediate effect on a car’s handling, whereas anti- roll bars, shocks and springs require the car to roll before they produce an effect.
- Page 17 Rear Roll Center Rear roll center affects on- and off-throttle situations in all cornering stages. Lowering rear roll center • more on-throttle grip • less grip under braking • use to avoid traction rolling at corner entry (increases rear grip) •...
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Page 18: B2. Downstops
IMPORTANT! Adjust the downstops so the left and right sides are equal. B3. SHOCK ABSORBERS Shock absorbers are a key component to setting up your 710. There are various aspects of shock absorbers that can be adjusted: spring choice, spring preload, shock position &... - Page 19 This is especially apparent in long, high-speed corners. • Softer rear springs: Makes the car have more rear side traction mid corner, through bumpy sections, and while accelerating (forward traction). Serpent Spring Tensions Softest Hardest ORANGE WHITE...
- Page 20 • Shocks more inclined: Makes the spring and damping softer. Makes the car more progressive, giving a smoother feel and more lateral grip (side-bite). When all four shocks are inclined it makes the car very easy to drive, and it feels like the car has more grip, but it is not always fastest.
- Page 21 Serpent shocks. To be able to compare your setup with other racers it is advised to use only Serpent Silicone shock oil. Damping and Shock Pistons Shock damping manages the resistance of the shock as the piston moves up and down through the oil in the shock body.
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Page 22: B4. Track Width
• Harder setting: Turn the shock rod CW to align less holes • Softer setting: Turn the shock rod CCW to align more holes • Hardest setting: Turn the shock rod fully CW to align 2 piston holes • Softest setting: Turn the shock rod fully CCW to align 5 piston holes B4. -
Page 23: B6. Camber
Measure and adjust ride height with the car ready-to-run but without the body. Use the shock preload collars to raise and lower the ride height. Decreasing ride height (lowering the car) • increases overall grip • better on smooth tracks Increasing ride height (raising the car) •... -
Page 24: B7. Caster
B7. CASTER Caster describes the angle of the front steering block with respect to a line perpendicular to the ground. Caster angle affects on- and off-power steering, as it tilts the chassis more or less depending on how much caster is applied. Less caster (more vertical) •... - Page 25 Decreasing rear toe (less rear toe-in) • less stable at on-power corner exit and braking • more chance of losing rear traction • increases top speed Dynamic Rear Steering The orientation of the rear toe-in linkage (front part of rear lower wishbone) affects rear toe-in under braking, acceleration and cornering.
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Page 26: B9. Upstops
Pivot ball ABOVE rear toe-in linkage: • outside rear wheel toes-out when cornering • improved high speed steering • improved braking stability • less stable under acceleration Pivot ball LEVEL WITH rear toe-in linkage: • no dynamic rear toe effect, works like normal suspension Pivot ball BELOW rear toe-in linkage: •... - Page 27 Chassis stiffness plays a very important role in the effectiveness of anti- roll bars. A stiffer chassis makes the car more responsive to anti-roll bar changes. For this reason, all Serpent cars use chassis side-plates to bridge the car’s front section with the rear section.
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Page 28: B11. Front And Rear Axles
• decreases on-power steering (increases understeer) B11. FRONT and REAR AXLES The 710 has several options for front and rear axles. The choice of front and rear axles depends on track conditions. The 710 is designed to quickly change these axles with the least effort. -
Page 29: B13. Solid Front Axle (Optional)
B13. SOLID FRONT AXLE (Optional) The 710 front one-way axle can be very quickly converted into a solid front axle by inserting two steel pins through the front axle and both drive adapters. An alu. -
Page 30: B15. Rear Differential
The rear differential can be combined with all front axle types. The advantage of the rear differential is that you can quickly adjust it to adapt your 710 to track conditions, using a single screw. Drawbacks of the rear differential are that the weight and inertia are considerably... -
Page 31: B16. Rear Solid Axle (Optional)
B16. REAR SOLID AXLE (Optional) The solid rear axle is typically used when track grip is very high. It is most commonly used with the front one-way axle. -
Page 32: Quick Reference
QUICK REFERENCE The Quick Reference table is a simple to use setup guide. With the car’s handling characteristics listed on the left of the table the suggestions for solutions are presented in order of importance and also shows whether the adjustment should be a positive or negative change. HOW TO USE Identify the problem After driving your car and getting a feel for how it’s handling bring it in... -
Page 34: Default Setup Sheet
DEFAULT SETUP SHEET Suspension Geometry Front Downstops Set-up ride height Camber Left -1.5 Camber Right -1.5 Track-Width 200mm Toe-in -1.0 Caster setting (mm in front) Roll center (mm below below pivot point) Upstop Suspension Geometry Rear Downstops Set-up ride height Camber Left -3.0 Camber Right... - Page 35 Tires Front Make Ellegi Hardness Left 40° Hardness Right 40° Diameter 62mm Tires Rear Make Ellegi Hardness Left 40° Hardness Right 40° Diameter 62mm Transmission Pinion 1st Pinion 2nd Gear 1st Gear 2nd Pulley rear axle Pulley layshaft middle Pulley layshaft side Pulley middle shaft side Pulley middle shaft center Pulley front axle...
- Page 36 www.myTSN.com/Serpent710 #802113 - Version 1...
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