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Posted to uk.d-i-y
Andy Hall
 
Posts: n/a
Default 'Steam' powered cars...

On Sun, 15 Jan 2006 13:42:12 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Phil Bradshaw wrote:
Doctor Drivel wrote:


The epicyclical cluster shares power


The gearbox then.


Dribble obviously doesn't understand that cluster in this case means 'gear
cluster'. How he wriggles and squirms. If he were more intelligent he
might be a troll.


I suppose that his argument is that the Primus doesn't have a gearbox
of the type that a conventional IC car does - i.e. a box with gears
where the ratio from one side to the other (engine to axle) is changed
by means of of a manual control or automatic mechanism.

Looking at it from the perspective of a user who never opens the
bonnet, the control on a Pius is basically the same as an automatic
conventional car - forwards, backwards and stop, although it doesn't
seem to have an "L" setting.

However, it does have a box of tricks containing gears which serves to
match the speed and torque characteristics of the power sources with
the requirement of the car on the road and between the power sources.
In that sense, it can be called a gearbox.

ISTM, that the terminologies used by the manufacturer like "CVT" and
all the rest of it are just there as marketing-speak to position the
car differently to others to the impressionable, while creating
technobabble for those who are into that.


--

..andy