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The two D8K Cat track tractors, ech: 1/15.
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The two naval repair cranes, ech: 1/50.
The two Cat 944A wheel loaders, scale: 1/15.
The loader on tire 992D Cat (n ° 2), ech: 1/15.
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"The aluminum collection".
THE TWO WHEEL LOADERS
944A CATERPILLAR
Scale: 1/15 th.
The
there is a desire to repeat the experiment carried out on the two models of the D8K,
that of building two models again simultaneously.
Two models are therefore born
and like the D8K models they are named:
n °
1
and n °
2
.
These two models are identical, only the cabin and some finishing details differ.
For this reason, the description below is based on a single model.
The construction of these models is also made of aluminum glued with epoxy glue
for high stresses (reinforced by pegging) and cyanoacrylate glue
for low stresses ".
Production: from October 2009 to October 2011,
totaling:
2400
hours for both models.
History:
I
sometimes you have to wait a long time in life,
before making the model
of the machine that made us dream and which is above all at the origin of this dream!
So, after forty years of a long and beautiful passion for construction machinery,
here is the culmination, the construction of the
model
of the Caterpillar 944A wheel loader.
One day or another, it was necessary to reproduce this rocking machine,
fascinated and intrigued a childhood charmed by an unforgettable spectacle,
(to discover this unforgettable spectacle, read the page
"story of a passion"
)
The plans.
They come from the usual process: the reading of dimensional dimensions on the real machine.
The real craft.
The real machine ...
... and its PDF.
Dimensional dimension readings.
It is performed on three machines and three different regions.
First ...
... readings ...
.... odds.
Second readings ....
.... odds.
Third statement of odds.
e.
The models.
Alignment of the front axle with the chassis.
The equipped frames
of their transfer case, transmission and bridges.
Rear camber.
Rear camber (continued).
The transmission.
Although these mockups are static,
they nevertheless have the following bodies:
-
an electric traction reducer motor
,
-
six cardan joints
(home made),
-
a transfer case
at the ratio: 1.4 / 1,
-
a differential
in each bridge to the ratio: 2/1,
-
a planetary gear reducer
in each wheel at the ratio: 4/1
The jacks.
The lift cylinders as well as those of the bucket are double-acting and designed
for
possibly operate on pneumatic power.
When the steering cylinder its dimensions are too small
for any operation
.
Lifting cylinders.
Bucket cylinder.
Steering cylinder.
Home-made tires.
The half tires out of the mold ... to assemble!
Assembly (hot gluing).
The tires of the two models after a thin coat of black paint (mat).
Tire finished with its polyurethane foam filling.
The completed models.
Chargers from left to right:
n ° 2 and n ° 1.
Chargers from left to right:
n ° 1 and n ° 2.
N°1.
N°1.
N°1.
N°2.
N°2.
N°2.
Dimensions:
Model n ° 1:
Overall length: 380 mm Overall width: 180 mm
Overall height: 196 mm Weight: 2.4 kg
Model n ° 2:
Overall length: 380 mm Overall width: 180 mm Overall height (approx.): 196 mm
Weight (approx.): 2.4 kg
Some details.
The underside of the model ...
Finally, commercial pieces:
- aluminum sheets 0.5 mm thick.
- the micro screws of M1 and M1,6.
- the electric 12-volt traction gear motor.
- all rods of different diameter.
- small diameter tubes.
- the pinion.
- the different glues: epoxy, cyanoacrylate, neoprene.
See here some construction archives ...
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