Feature 4
rolls-royce is Rolls-Royce is rolling out a new
introducing a generation of marine reduction gearboxes
new generation developed by its Norwegian technicians.
of gearboxes. The latest addition to the range, the
The 950aGHC, 950AGHC, has a rated input torque of
depicted here 130kNm and up to 530kNm of output
in its horizontally torque, and is the second model of the new
offset version, is series to be released, following the 2008
the second in a launch of the size 550 gearbox. For the
planned series of 950AGHC, the maximum reduction ratio
five models (Credit: is 6.3:1, and a secondary power take-off
rolls-royce). with either vertical or horizontal offset can
be specified.
Three more sizes, 1050, 850 and 650,
are to be brought to the market in due
course, while three of the previous series
will be retained, so that the eventual range
will cover torque ratings from 90kNm
to 1200kNm.
being approached by naval architects and 2007 and 2008, Stone Marine Singapore
specialist builders to provide propulsion is currently installing two additional, Transmissions
solutions for large yacht applications. oil-fired furnaces to increase capacity by Transmissions producer ZF Marine
Having made substantial investments 50%. This will also enable the company has devised a hybrid propulsion system
in new conventional and CNC (computer to manufacture larger propellers for large, quality motor yachts in
numerically-controlled) lathes during than hitherto. conjunction with specialist builder
visit us at servogear.no
Propulsion Efficiency Beyond Belief
Servogear Ecofl owPropulsor™ offers a number of advantages for high-speed passenger ferries.
Our all-inclusive approach makes our concept more effi cient than any other known propulsion
concepts on the market. It enables the most economical operation, generating immense savings for
the owners of the vessel without compromising speed and regularity. Lower fuel consumption also
saves the environment from harmful emissions.
Servogear Ecofl ow PropulsorTM gives
better fuel economy and reduced NOX and
CO2 emisisons.
Eco for improved economy and ecology.
Flow for optimum waterfl ow in our unique
propeller tunnels.
Servogear AS, N-5420 Rubbestadneset NORWAY Phone: 47 53 4 www.servogear.no
Oktan Sydvest / Itstock
Ship & Boat International September/October 2009 49
p44-45-46-48-49-50-51_S&B_SepOct09.indd 49 04/09/2009 11:16:55
SBI_MarApr10_p25.indd 5 25/02/2010 17:06:31
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