
SUPERYACHT #509 September 2004
Article selected from our quarterly magazine dedicated to the largest
and most luxurious boats with information, interviews, technical
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Article by Angelo Colombo
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CRM MOTORI MARINI In the air and at sea
CRM Motori Marini was funded in 1950 by Germano Mariani,
who right from the beginning decided to produce
propelling systems for military crafts and luxury yachts.
The company inherited the technological experience
matured with the gasoline engine Asso 1000 - a well-known
engine in the aeronautical sector - which has been the
prototype of the marine propelling systems. Approximately
ten years later, the company started producing diesel
thermal units for a new generation of engines with the
same design and power as the earlier ones. Right from the
start, the Italian firm concentrated its efforts on
consumption reduction, on the use of turbocharged and
intercooling and on optimization of the ratio
weight/power. Today, CRM offers diesel engines ranging
from 1,350 to 2,100 hp, with 12 or 18 cylinders in V or W
arrangement considered to be the lightest of the
category. CRM production is conceptually different from
large-scale production and this renders the company's
products performing and reliable. It was not by chance
that the military sector gave CRM a substantial boost for
research, with the intent of producing an engine that
could support heavy duty without sudden or frequent speed
variations. The special design of the Italian company's
thermal unit offers minimal vibrations, in fact CRM
engines may be used without flywheel. CRM propelling
systems' balanced design allows limited stress to all
moving elements and to their housings, thus requiring
reduced maintenance and offering a long-lasting working
life. CRM engines use an indirect injection system in
pre-chamber capable of ensuring clean combustion and low
temperature of the exhaust gas, so much so that the
emissions are 30% lower than the limits imposed by IMO
and 94/25 CE rules.
Whoever buys a CRM engine knows that he can count on
complete and customized assistance by the company, which
with the help of specialized technicians or by supplying
spare parts all over the world, is capable of satisfying
the needs of each client before as well as after
installation. AB Yachts is one of the many shipyards that
install CRM engines on its crafts. For its AB 88 with
water jet transmission the yard installed three 2,100hp
CRM BR2 having 18-cylinders with W arrangement.
For further information please contact: CRM
Motori Marini; via Marnate 41; 21053 Castellanza (VARESE)
Italy; tel. +39 0331 572600; fax +39 0331 505501; website
www.crmmotori.biz; e-mail info@crmmotori.biz.
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