Page 29 - TPM Issue3

SCRATCH
BUILT
REVIEW

very complicated and consists the basis of the drawing, I have
of mostly straight surfaces which are drawn the parts of one track plate so
relatively easy to cut. It did not take that I could assemble one link with a
that long before the base was ready track plate from those parts. In the
and I only had to make the details end, one link consisted of 13 parts,
later. The base of the undercarriage but because I did not have to cut
was actually the same, because this anything with my hand, it saved me a
construction also mainly consists of flat lot of time. On each side 52 links
plate and soon I could attach it to needed to be made, making a total
each other by means of the turntable. of 104 links for the entire crane.
But then came the parts where most of And although I did not have to cut
the work would go, the tracks. A few anything, I was only busy with the
years ago I built a Volvo EC460 tracks for a couple of weeks.
crawler crane and the most work was I then made the crafted mast which,
also in the tracks, which were all cut with this crane, consists of 5 separate
by hand. But in the course of the years parts. 2 or 3 parts are on the crane
the techniques were already a bit during transport and the other parts
further and I decided to have these are on the low-loader as a load. The
parts cut with a CNC laser cutter. crafted mast is constructed from round
During the construction of the Demag styrene pipe. The thicker pipe is from
crane I had done that with a lot of Evergreen round 3.2 mm with thinner
parts and that saved a lot of time. On rod of Evergreen round 1.6 mm. In

Spring 2020 - TPMMW Magazine 29