TEST REPORT No 08 – 010a SELF PROPELLED MOWERTURBO1 (PDF) by goodbaby

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									AGRICULTURAL MACHINES FUNCTIONAL AND SAFETY
              TESTING SERVICE

             TEST REPORT No. 08 – 010a




         SELF-PROPELLED MOWER: TURBO 1
       (extensions: 08-010b – Turbo 2; 08-010c – Turbo 4)


       MANUFACTURER: GIANNI FERRARI S.R.L.
 Via Vespucci, 53 - 42046 Reggiolo – (REGGIO EMILIA) - ITALY


                 Rome, November 2002
Gianni Ferrari – TURBO 1



TESTS CARRIED OUT IN COMPLIANCE WITH ENAMA SPECIFICATIONS NO. 08 BY
EXPERIMENTAL INSTITUTE FOR AGRICULTURAL MECHANISATION, MONTEROTONDO - ROME:

   Supervisor                                     Ing. Giovanni Santoro
   Technical tests                                Dott. Roberto Fanigliulo
                                                  Dott. Marco Fedrizzi
   Collaborators                                  Dott. Mauro Uniformi
                                                   P.A. Gennaro Vassalini


                           TABLE OF CONTENTS


       DESCRIPTION OF MACHINE                                       3
       ACCESSORIES                                                  5
       TECHNICAL DATA                                               6
       TEST CONDITIONS                                              8
       RESULTS OF TESTS                                             8
       NOTES ON FUNCTIONALITY                                      10
       REMARKS AND INSTRUCTIONS                                    10
       ROAD CIRCULATION                                            10
       SAFETY CHECKS                                               10
       MODELS IN THE SAME SERIES                                   11




TO FACILITATE INTERPRETATION OF THE RESULTS, IT SHOULD BE REMEMBERED THAT:
♦ 1 MPa = 1000 kPa = 10 bar ≈ 10 kgforce/cm2
♦ 1 daN ≈ 1.02 kgforce
♦ 1 kW = 1.36 CV
♦ 1 m/s = 3.6 km/h.




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                                                      Gianni Ferrari – TURBO 1

DESCRIPTION OF MACHINE                    having to remove the part from the
The Gianni Ferrari self-propelled         machine.
mower, model “Turbo 1”, is a profes-      The suction system adopted consists
sional machine to keep turf, lawns        of a rapid rotation turbine and a vac-
and grassy surfaces tidy, performing      uum hose that connects the mower
grass mowing, collection and disposal     deck to the turbine, which in turn is
operations. The machine forms part        connected by piping to the grass
of the “Turbo” series, which includes     collector. The grass collector, having
two other models (Turbo 2 and Turbo       a storage capacity of 700 litres (for
4), and is designed to mount two          the model being tested), is endowed
different patented decks, having a        with a metal filter that is easy to re-
theoretical working width of 1.30 m       move, plastic casing to reduce filter
and 1.50 m.                               cleaning operations, a rear door that
The machine basically consists of a       opens automatically when the collec-
grass mower, endowed with a batch-        tor is dumped and a dispenser of the
type cotter-pin manual device to          cut grass, operated via an electric
regulate cutting height, a ventral        motor, with an acoustic warning
suction system for collecting the cut     sounding when the collector is full.
grass, a grass collector that can be      The container door can also be kept
lifted and dumped hydraulically, a 3-     ajar during operations in order to
cylinder diesel engine, a hydrostatic     allow the disposal of cut grass out of
transmission and steering system, an      the rear.
electric system and front-wheel brak-     The high dump elevator is operated
ing system.                               by an ad hoc pump which, pressing
Grass is cut by a mowing deck, con-       on a pair of hydraulic pistons pivoted
sisting of two contra-rotating discs,     on the base of the frames, both lifts
each endowed with two pairs of ar-        the container up and keeps it in the
ticulated blades, set at an angle of      original horizontal position thanks to a
90° to those of the other disc. The       parallelogram structure. Another pair
lower blade makes the first cut, while    of hydraulic pistons dumps the con-
the upper blade provides a second         tainer regardless of the height
cut, useful when the grass is wet,        reached by the elevator.
reducing the possibility of deck flood-   The machine is moved using Kubota
ing, with positive effects in terms of    3- or 4-cylinder engines having a
the quality of mowing, suction and        power of 18.7 and 25.0 kW respec-
collection. An opening has been           tively, or Lombardini 3- or 4-cylinder
made on the centre front of the           engines having a power of 18.2 and
mower deck’s guard, with a portable       22.5 kW, depending on the cus-
bulkhead, to make the edge of the         tomer’s choice, and a driving system
casing higher than the blade cutting      depending on the model. The Turbo 1
level; by not bending the grass, this     model is endowed with a combined
difference in height allows the blades    hydrostatic     pump-engine        drive
to cut more accurately even if the        mounted on the front axle, with differ-
grass in tall. Finally, the mower deck    ential locking. The Turbo 2 has a
is endowed with a hinge device ena-       hydrostatic drive with a variable dis-
bling the deck to be raised to a verti-   placement pump, connected to a
cal position to facilitate cleaning or    variable dual displacement hydraulic
blade sharpening operations without       motor with lever mounted on the front


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Gianni Ferrari – TURBO 1

axle, and differential locking. Finally,          to two oil-bath gear reducers that
the Turbo 4 is endowed with                       transfer drive to the wheels. Machine
dual hydrostatic traction through a               parts are fixed to a solid and highly
system consisting of a variable dis-              resistant steel frame. The front axle
placement piston hydraulic pump                   differential is endowed with a pedal-
operating two hydraulic motors, one               operated locking device to improve
per axle; both of these motors are                the machine’s traction qualities.
fitted to a differential unit connected

           1        2
                                           3           4                5




                                                                                  6
   13          12       11   10       9    8                7


Fig. 1 – Diagram of the tested machine and its parts: 1) Grass collector; 2) Elevator
frame; 3) Operator safety frame; 4) Spring seat; 5) Steering wheel; 6) Mower deck
support wheels; 7) Mower deck; 8) Footrest; 9) Front wheels; 10) Lever controls for
hydraulic parts (deck lift, lifting and dumping of grass collector); 11) Lever for operating
blade discs; 12) Fuel tank; 13) Rear wheels.




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                                                        Gianni Ferrari – TURBO 1

The remaining main parts of the ma-
chine are the driver’s seat and vari-       ACCESSORIES
ous controls and the central instru-
ment board, mounted on the steering
column, containing all the lights and       The manufacturer has declared that
level gauges needed to check the            the machine has the following option-
correct functioning of the machine.         als:
The steering wheel is mounted on a
height-adjustable portable structure             roof: affording driver protection
to ensure the correct driving position      against the sun and the rain;
and to facilitate the driver’s access to         vacuum hose: a long hose with
the driving seat, there are no obstruc-     aluminium tip for removing leaves,
tion between the wheel, seat and            paper, cans, plastic bottles, etc.;
footrest.                                        snow blade: can be raised and
The power steering consists of a            oriented hydraulically, so that the
dedicated hydraulic pump connected          machine can also be used in winter
to a dual-acting steering cylinder that     months;
acts as a connecting rod for the                 rear disposal mower deck: with
steering bosses. The spring seat can        working width of 1.6 m and 3 cutting
be regulated to help the operator find      discs, allows for an even dispensing
the most comfortable sitting position,      of grass on the turf, thanks in part to
while the footrest, mounted on anti-        two adjustable direction bars;
vibration plates, can be lifted verti-           mulching deck: used to chop up
cally toward the steering wheel so          cut grass and cast it onto the turf,
that the mower deck can also be             thus avoiding collection and allowing
raised vertically. Finally, the accelera-   for very frequent cuts;
tor lever, blade disc lever and three            scarifier: 1.0 m in width, used to
hydraulic service levers (deck lift,        scarify the turf;
collector elevator and dumper), are         dumper: may be used with the ma-
all positioned to the right of the op-      chine, in the absence of the grass
erator, within easy reach.                  collector, to transport sand, soil and
A diagram of the machine is given in        other materials.
figure 1.




                                                                              5/12
Gianni Ferrari – TURBO 1


TECHNICAL DATA

                       SERIAL NUMBER OF TESTED MACHINE OH 52077

 DIMENSIONS OF MOWER

 Size                                     working position             transport position
 total width (mm)                          1330                          1330
 total length (mm)                         3030                          2160
 total height (mm)                         1580                          2120
 clearance from ground (mm)                 130                           130

 FRAME
 type                                       steel plate and tubular box;

 ENGINE
 model                                      Lombardini LWD 1003
 type                                       diesel 4 stroke, 3 cylinders, direct injection,
                                            water cooled, 3000 rpm;
                   3
 displacement (cm )                         1028
 rated power (kW)                           18.2
 fuel tank (l)                              25

 WHEELS
 front                                      Trelleborg 23 x 10,5-12
 rear                                       Trelleborg 16,5 x 6,5-8
 wheel base (mm)                            1330
 stand wheel                                Trelleborg 3,00 - 4
 front track (mm)                            900
 rear track (mm)                             930
 stand wheel track (mm)                     1120
 turning radius (mm)                        2350

 ELECTRIC SYSTEM
 battery                                    12 V - 75 A
 instrumentation                            hour meter, water temperature gauge, light-
                                            ing system for road transport;

 TRANSMISSION AND STEERING
 type                                       hydrostatic Sauer Sunstrand;
 wheel drive                                2 WD
 speed control                              forward and reverse with two separate ped-
                                            als;
 forward speed                              0 to 13 km/h
 reverse speed                              0 to 7 km/h
 steering system                            power steering;




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Gianni Ferrari – TURBO 1



 BRAKES
 operational brakes                      disc, front wheel, pedal operated;


 parking brake                           disc, pedal operated, separate.

 MOWING EQUIPMENT
 type                                    2 discs with articulated blades;
 number of blades per disc                2+2
 diameter of disc (mm)                    340
 distance between disc centres (mm)       620
 width of blade (mm)                        45
 length of blade (mm)                     218
 length of cutting edge (mm)              150
 standard thickness (mm)                     4

 SUCTION SYSTEM
 type                                    central suction of cut grass using turbine
                                         connected to cutting equipment via sheet
                                         iron tube;
 turbine speed (rpm)                     4546
 total width of turbine (mm)               360
 number of turbine blades                    3




 GRASS COLLECTOR
 type                                    High impact polyethylene, acoustic warning
                                         when container is full, hydraulic dumping;
 max. dumping height (mm)                2150
 capacity (l)                             700

 THEORETICAL WORKING SIZE
 maximum width (mm)                      1290
 cutting height (mm)                       20 ÷ 80, adjustable manually using spac-
                                         ers.

 SPEED OF ROTATION OF BLADES
 max. speed (rpm)                        2165
 min. speed (rpm)                         628
 max. peripheral speed (m/s)              75.9
 min. peripheral speed (m/s)               22.0
 no. of cuts at maximum speed (cuts/s)    144.4
 no. of cuts at minimum speed (cuts/s)     41.9

 TOTAL MEASURED WEIGHT
 without accessories (kg)                1030

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Gianni Ferrari – TURBO 1




TEST CONDITIONS

                                                     Texture (%)
                                                       skeleton                   16.9
                                                         sand                     76.2
Test ground                                                silt                    5.6
                                                          clay                     1.3
Tests were performed on the fifth cut of
a flat plot of land set aside for multi-       Floral composition (%)
species cultivation at the “Pratopronto”       ryegrass (Lolium spp.)               60
Vivai Bindi production centre (figure 2).     meadow grass (Santana                 33
Prior to mowing, the granulometric              spp., Paspalum spp.)
composition (texture) of the soil (table           other species                   7
1) was determined to verify the pres-
                                             Humidity at time of mowing           62.8
ence of a skeleton that could have a
bearing on the safety and wear of the                     (%)
machine.                                     Mean height of grass prior to        64.0
                                                   mowing (mm)
                                               Mean density of grass             79600
                                                       (c.e./m2)
Characteristics of turf
                                            Tab. 1 - Characteristics of test ground and turf.
The surface on which tests for the Fer-
rari mower were performed is subject to
intensive agricultural practices, includ-
ing sprinkling irrigation (once every       RESULTS OF TESTS
three days in summer period), fertilisa-    The Turbo 1 mower was regulated to
tion and localised weeding. The grass       optimise its work performance by Fer-
is usually cut on a weekly basis.           rari staff off the test ground; the cutting
Turf characterisation (table 1) entailed    height was set at 40 mm, and the for-
the detection of the floral composition     ward speed was adjusted taking into
of the plot of land, expressed as a per-    account the use, mowing period and
centage of the main species present         state of vegetation of the grassy cover-
and the mean height of grass before         ing. Grass was mowed and collected in
mowing in uniform sample areas of 1         a single 100 m passage. Functional and
   2
m , the density of vegetation cover of      operational characteristics were then
relevance to cutting parts, expressed as    determined, referring to the surface
                                        2
the number of epigean elements per m        area of one hectare, as indicated in
identified from 1 dm2 samples, and          table 2. The machine being tested was
finally the relative humidity of grass at   endowed with a mower deck having a
the time of mowing and referring to the     theoretical working width of 1.29 m.
fresh product.




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                           Nobili - Falciatrice a flagelli ad asse orizzontale VKM 610 P

                                              .
                       Operating parameters                             Performance
theoretical working width (m)                                               1.29
effective working width (m)                                                 1.23
operating working width (m)                                                 1.13
working width utilisation ratio (%)                                         91.9
mean cutting height (mm)                                                    37.6
effective working time (h/ha)                                               1.88
operating working time (h/ha)                                               1.96
operating performance (%)                                                   96.0
effective mean speed (m/s)                                                  1.31
operating field capacity (ha/h)                                             0.51
working capacity per metre of operating width (ha/h.m)                      0.45
blade passages per metre (no.)                                               8.3
hourly fuel consumption (kg/h)                                              5.38
hourly consumption per metre of operating width (kg/h.m)                    4.76
unit fuel consumption (kg/ha)                                               10.54

Tab. 2 - Mean results obtained with the self-propelled Ferrari Turbo 1 mower
during tests on turf.
                                              It can be seen from table 2 that the
Mower tests were conducted at a               effective working width was 1.23 m
forward speed of 4.7 km/h, deemed to
adequately represent normal working           and the operating width 1.13 m, with a
conditions for the implement under            utilisation ratio of the working width of
review, in view of the characteristics of     91.9%. Fuel consumption was 5.38
the test soil and the set cutting height.     kg/h per unit of time and 10.54 kg/ha
This is the highest speed at which            per unit of surface area.
problems pertaining to the skipping or        An appraisal of the quality of work
flooding of the machine have not been         performed by the implement was
encountered, permitting good operat-          based on the height of grass in the
ing results.                                  field and precision of mowing. The
In these conditions, considering grass        mean cutting height was 37.6 mm,
mowing and collection operations, the         close to the theoretical height set
operating capacity of the Ferrari Turbo       before mowing (40 mm). The uniform-
                                     2
1 mower was calculated at 5,100 m /h,         ity of crosswise and longitudinal mow-
thanks in part to the low incidence of        ing was creditable, with a large num-
tractor turn-round time in relation to        ber of cuts made by deck blades at all
total time.                                   points of the cutting surface as the


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Gianni Ferrari – TURBO 1

mower moved forward. This value,            test substratum. Under these condi-
calculated at 8.3 under test conditions,    tions the tractor was subjected to a
is a result of the extension of the cut-    mean load of 54.7daNm, with a power
ting edge of blades, their speed of         absorption at the tractor’s PTO of
rotation and the forward speed of the       29.3kW.
system.
Finally, cutting precision was evalu-
ated positively, also in view of the fact
that the blades were being used for the
first time, and were thus sharp.


NOTES ON FUNCTIONALITY


                                            Figure 2 – Grass collector when full.
The self-propelled Ferrari “Turbo 1”
mower proved itself capable of mowing
and collecting, in a single passage, the
grass covering of the test ground,
providing good results in terms of the      REMARKS AND INSTRUCTIONS
actual height attained by cutting com-
pared with the theoretical height set
when regulating the machine. The            The implement is endowed with an
implement was easy to use and very          instruction and maintenance hand-
easy to manage, thanks in part to the       book in compliance with existing law
low turning radius for turn-round           provisions.
phases.
The good forward speed produced a
reasonable field capacity, considering
that the implement also stores and          ROAD CIRCULATION
then disposes of the mown product           For the purposes of the Highway
(figure 2). Based on these results, it is   Code the machine is classified as a
possible to state that the implement        self-propelled agricultural machine
under review can best serve to main-        (pursuant to art. 58 of Legislative
tain ornamental or recreational green       Decree 285 of 30 April 1992). The
areas or extensive grassy areas that        equipment being tested may circulate
need to be cut frequently, where it is      on the road, being endowed with type
necessary to collect and quickly dis-       approval (OL 01322 NORM of 11 May
pose of cut grass.                          2001), meeting the requirements
                                            indicated in the vehicle registration
                                            document


                                            SAFETY CHECKS


                                            The machine is endowed with CE
                                            marking, an identification plate, safety

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Gianni Ferrari – TURBO 1

pictograms compliant with ISO stan-           the following standards and technical
dard 11684:1995, control symbols              specifications: UNI EN 1553:2001,
compliant with ISO standards 3767-            UNI EN 836:1998.
1:1998 and ISO 3767-3:1995, an in-            Checks carried out with reference to
struction and maintenance handbook            documentation sent by the manufac-
and CE declaration of conformity.             turer did not show up inconsistencies
                                              with the contents of the aforemen-
The declaration of conformity, in ac-         tioned standards.The relative docu-
cordance with directive 98/37/CE,             mentation has been filed.
certifies that the machine conforms to

                                                                         Weight
                                          Operating      Hourly fuel
  "Turbo"      Working         Engine                                    without
                                          capacity      consumption
   Series      width (m)     power (kW)                                 accesso-
                                           (ha/h)          (kg/h)
                                                                        ries (kg)
 Turbo 4          1.42           25.0        0.79           6.52          1,250

 Table 3 - Main results obtained with the self-propelled Ferrari Turbo 4 mower dur-
 ing tests on turf.



                                             declared by the manufacturer, also by
                                             virtue of 4-wheel drive capability
MODELS IN THE SAME SERIES                    The results of tests performed by the
                                             self-propelled Ferrari “Turbo 4”
                                             model, endowed with mower deck
In addition to the tested model, the         having a theoretical working width of
models "Turbo 2" and "Turbo 4", of           1.50 m, on the same test ground and
the same series, differ from the tested      under the same conditions as those
model as they are endowed with a             of the “Turbo 1” are summarised in
more powerful diesel engine (25.7            table 3.
kW), allowing for higher forward
speeds (up to 18 km/h), and a collec-           Cert.
tor with a 1000 litre capacity. The                         Model       Serial No.
                                                No.
"Turbo 4" model, thanks to a lower            08.010b      Turbo 2       OH 56067
centre of gravity and an automatic            08.010c      Turbo 4       OH 56068
traction locking device allowing for a
reduced turning radius, is particularly      Tab. 4 - Table 4 shows the other mower
suitable for steeply sloping land, as        models to which the present certificate
                                             has been extended.




                                                                              11/12
THE PRESENT TEST REPORT IS VALID FOR A PERIOD OF FIVE YEARS OR
UNTIL REFERENCE REGULATIONS FOR THE TURBO 1 MOWER AND
RELATIVE EXTENSIONS ARE ALTERED, AND IS OFFICIALLY RECOGNISED
BY ENAMA MEMBERS:

              ASSOCAP (Associazione Nazionale dei Consorzi Agrari)
                             (National Association of Farm Consortia)
              CIA            (Confederazione Italiana Agricoltori)
                             (Italian Farmers Confederation)
              COLDIRETTI (Confederazione Nazionale Coltivatori Diretti)
                             (National Confederation of Independent Farmers)
              CONFAGRICOLTURA (Confederazione Generale Agricoltura)
                                        (General Farming Confederation)
              UNACMA (Unione Nazionale Commercianti Macchine Agricole)
                             (National Union of Farm Machine Dealers)
              UNACOMA (Unione Nazionale Costruttori Macchine Agricole)
                             (National Union of Farm Machine Manufacturers)
              UNIMA (Unione Nazionale Imprese Meccanizzazione Agricola)
                       (National Union of Farm Mechanisation Enterprises)
AND BY MEMBERS OF THE EXECUTIVE COUNCIL OF THE ENAMA, IN
WHICH THE FOLLOWING ARE ALSO REPRESENTED:
              MIPAF (Ministry for Agricultural and Forestry Policies)
              Regions and Autonomous Provinces
              ISMA (Istituto Sperimentale per la Meccanizzazione Agricola)
                    (Experimental Institute for Agricultural Mechanisation)




         ENAMA - ENTE NAZIONALE PER LA MECCANIZZAZIONE AGRICOLA
                (National Agricultural Mechanisation Body)
              VIA LAZZARO SPALLANZANI, 22/A - 00161 ROME
                  TEL. 06/4403137-4403872 FAX 06/4403712
                email: info@enama.it   http://www.enama.it
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