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Effects Of Manner Of Driving On Individual Components; Set -U P - Reely 4WD GP STREETHUNTER 4.1 Bedienungsanleitung

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5.2
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FFECTS OF MANNER OF DRIVING ON INDIVIDUAL COMPONENTS
E
NGINE
The 4.1 ccm engine of the Chassis „Hunter / Streethunter 4.1" is air-cooled. This means that the air stream takes on the
cooling of the engine (air cooling).
This is why you should try to avoid accelerating the vehicle with frequent, strong load changes (short throttle bursts from
low rev range and jerkily lowering the revs).
The brief high revs strongly heat up the engine, without there being appropriate cooling through wind, as this would be the
case at a drive with constantly high revolutions (high speed). As a result of overheating the engine, the piston may get
stuck in the cylinder liner (piston gets stuck) and suddenly block the drive. This could cause consequential damage of the
entire drive section.
Drive in part-load operational range with revs that correspond to the desired speed.
However: When driving slowly continuously, the cooling of the engine through air stream is guaranteed, but instead,
there may be damages on the clutch (wear, overheating through slipping clutch).
C
LUTCH
The power of the engine is transmitted via the center differential to the drive section.
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At idle speed the clutch doesn't yet grip, the model remains stationary with engine running.
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When the revolutions are slowly increased the clutch "slips", the vehicle moves forward or starts to move slowly.
As with a "real" vehicle, constant slipping of the clutch can cause the clutch to "smoke away" or "burn off".
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Only at high engine revs does the clutch start to "engage", the engine speed is transmitted without any slip to the
drive section. The wear on the clutch linings is now at its lowest.
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Frequent, strong load changes by brief short throttle bursts and jerky lowering of the revs also reduce the life of the
clutch linings. With short throttle bursts as well as by letting the clutch slip, you achieve a slow speed, but at the
expense of the clutch.
B
EARING
Overheating the engine and/or the clutch also has an effect on the bearings of the clutch bell.
Leaking and toughening of the bearing grease (running dry of bearing) as well as different expansion of the balls and
the ball bearing case in the case of excessive heat, can lead to a jamming of the balls. If the balls can no longer move
freely, there are frictional losses and therewith an additional heating up of the engine shaft.
6
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After the running of the engine, the model is basically ready for use and roadworthy.
The driving characteristics of the model are suitable for first trial runs as well as for advanced drivers. However, with a
better knowledge of driving, the demands on the model will also grow. These demands depend on the driving style of the
respective driver and his/her ambitions, regarding a high end speed, maximum torque, just for fun or use at competitions.
Tuning
The chassis „Hunter / Streethunter 4.1" satisfies the ambitious model pilot through the various possibilities of chassis
tuning. The inclination of front and rear wheels can be adjusted continuously in a large range via clamping screws in the
upper transverse control arms. Clamping screws in the right and left steering link also allow for a continuous fine-tuning of
the alignment.
The spring pretension of the four oil dampened shock absorbers as well as the progression of the damping can be
adjusted through the use of spring pretensionners and through the modification of the attack angel of the oil dampened shock
absorbers.
The accessories contain silicone oils of different viscosity for the oil dampened shock absorbers as well as diffe-
rential oils of different viscosity with which you can have an impact on the block function of the front and rear axle
differential.
Before starting to work on the model, retrofit the necessary accessories and prepare the needed tools.
The workplace must be sufficiently large and must be well illuminated. The working place must be smooth, clean
and hard-wearing (against oil stains, fuel, etc.).
Do not use a cordless screwdriver! In particular, thread cutting screws in plastic must be tightened with sure
instinct in order to avoid breaking the cut thread.
Place a piece of cloth (plain, light color) on the work surface, so that small parts that fall down such as screws
can be found easily and don't fall off the table.
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Operating Instructions 4WD Chassis Hunter / Streethunter 4.1 Item No. 23 47 46 / 23 47 64

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