Feedback suspensie Duster .pdf

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Author: Adrian Coman

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1. Introduction
2. Data after replacement
3. Traveling around the city
4. Traffic on the highway
5. Movement on roads with partial asphalt coating
6. Movement on roads with a primer coating
7. Movement in the absence of roads
8. The result

Input data
Renault Duster 2013 g.v. 2.0 4wd
Tires BF Goodrich 215 / 70R16
Additional front weight +40 kg
Loading (cargo weight in trunk and passenger compartment) + no more than 120 kg + 2 persons
(no more than 200 kg)
58200 km at the beginning of the test
60500 km at the end of the test
Distance from the plane to the upper point of the wing
Before 76 cm, Rear 78 cm (with unloaded luggage compartment, only the reserve and fire
Location of the road gdubinki Tver and Yaroslavl regions
Date 11.04.17-19.04.17
Springs Pedders are provided by EX-ROAD Company
Installation was carried out in a specialized technical center Reno Mosrentservis
Ratio of distances from total test run
900 km - road city, route
700 km - roads with a conditional presence of a hard coating and a plane of the canvas
400 km - the absence of a plane, a solid coating, the presence of gauge and level differences
and properties with different viscosities.
Data after replacement

Before 80 cm, Rear 82 cm (with unloaded luggage compartment, only the reserve and fire
Before 80 cm, Rear 81.5 cm (cargo weight in the trunk is not more than 120 kg)
Getting around the city
Visual sensations when approaching the car after replacing the springs, that the car has grown
significantly, it was manifested after landing and starting movement. The first impression was
that he moved to a full-size crossover. When the first movement began, what was noted - the
sensations on the steering wheel changed completely, the steering wheel became thicker and
sharper, that is, compared to the standard springs, improved handling. From the line of cars on
which I have traveled, it is on the senses, a comparison with the BMW X5.
We go further - the car is very tightly adhered to the road, vanishing effect, inherent in Dusters
with mileage, is gone, this is understandable, the springs are more rigid. On the road, a
"recumbent policeman" of those who are broad - earlier, when he was passing through, Duster
nodded well at the congress. I decide not to slow down (60 km / h) and jump it - strikes at the
arrival and klevkov at the congress minimum. The stiffness ratio for such conditions is optimally
Tramways - along the slabs and across the rails - the car keeps the road very well, with the
crossing of the roads quite tough feelings on the steering wheel. The road with a moderate rut there is an amazing - the car has ceased to behave unsteadily, as on old springs, he just does
not notice the rut, someone can say that there was a bad rally-disintegration, I immediately
refute, I make a breakdown every six months during THEN, the car does not pull, rubber does
not eat, with a free steering wheel goes straight. Ideally. The car after the replacement became
more adequate in taxiing while driving in the stream, the time for rebuilding decreased. When
passing the long turns on the flyovers, began to walk as on the rails. But not everything can be
quite perfect, a small fly-fly - from new to replacement Duster very softly passed joints on
bridges and overpasses, and after the replacement it happens very hard with good feedback to
the steering wheel, it was very much like when I drove to Volkswagen Vento 2.8 with the
clamped stanchions of Koni, but this effect is not present at the crossing of tram ways, which is
very strange, because the nature of the "obstacle" is very similar. Repair of the road, taken off
the canvas - exit and exit, the steering wheel does not lose touch with the road. If not for joints
on bridges, we can say that for a city springs are ideal. The car has become more collected and
convenient to manage.
Traffic on the highway and highway
I will not repeat it very much, traffic along the highway corresponds to traffic in the city, a good
holder, good reactions during the rebuilding, excellent behavior in the track. When driving on
roads with partial violation of the roadway - significant pits, frequent and sometimes deep. The
car does not tear off the trajectory, when it hits the pit, the suspension works according to the
increased rigidity - the suspension does not break, the handling remains.
When traveling over long distances, the characteristics are optimal, it may be after the
surfacing on the waves all the same, while keeping the height of the suspension slightly soft
and increase the height of the rear springs, with a loaded car it would be more comfortable.

But, as they say, you need to balance. Since on this road I already passed last year, I can say
that I moved more slowly, significantly. Good details provoke.
Movement on roads with partial asphalt coating
We leave on what the local people call the road and where there is even asphalt laid in the 90's.
Last year I was here already, there is no traffic at all, and if the coverage is normal, we are still
on the Daster and not on the SUV, for example the 2 km section of the road that can be
traversed in two minutes was overcome in almost an hour. And where we climbed such roads
all, there are segments where gas can be accelerated to the floor to 60-70 km / h, but it is
necessary to brake again and there are not many of them, it would be better just a primer.
Let's go. Due to better reaction on the steering wheel, it became more convenient to go around
the gullies and ruts, a 4 cm more ground clearance allows you to more confidently attack, then
that where previously you had to drive stealthily, afraid to hit the subframe. The suspension
does not break, but it is not rigid either. Sharp drops on the boundaries of the destroyed
asphalt do not hit the steering wheel. The speed is not high (20-40 km / h), when the wheel falls
into a hole, the pecking is not observed and the car is confidently out of it, while the pit is
simply swallowed, this is despite the fact that the speed is not high. And the saying "more
speed, less pits ..." in this case is not relevant. Flight with Pedders springs is normal. Stiffness,
rebound are optimal for this movement and this despite the fact that the amortization is
Traffic on roads with a ground covering.
Here is the real element of Pedders, the car on the primer goes like on the highway - smooth
and confident, breakdowns, biting, not felt. The comb is very comfortable. In this case there is
nothing to write.
Movement in the absence of roads
Since the hobby means moving in the absence of a road - tractor track, field, arable land,
ditches, wood, the replacement of springs was very relevant - here and the change in
characteristics and increased ground clearance. But let's see how the Romanian car began to
behave. In previous trips before the Duster was always Niva, for use as an anchor or if it did not
work out, then pull out what happened. I will say at once, the front bumper at this time I hit
one single time. The fact that when moving ditches before contact with the slope was a
constant companion, say nothing, but on the new springs the front end does not fail, it works
out the slope of the ditch and the car does not rest on the bumper and leaves by itself. Duster
began to cling to any piece of cover, did not unwind not once, and the behavior became like a
rally sprint. The main thing is not to be afraid. On the gasoline Daster, obstacles have to be
taken in turn and here the Peders are showing their character, the rides from the ruts, the
lowshaft changes, the ditches - wherever the low-clearance Dust tried to sit down all the time,
pass by hurray.
The result
Maybe what I would like to receive.
Since the car moves mostly on roads with normal coverage, make the front end a bit softer, but
with a new clearance.

Do not give me peace bridge-trestle joints. But the backside is needed more rigid, so that when
the car is loaded the full distance between the wheel arch is changed less.

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