Home' Afloat : AFLOAT July 2018 Contents 12 AFLOAT.com.au July 2018
● Certificate IV in Training
● NSW Boat and PWC Licence
● Current First Aid
● Working with Children Check
● Available weekends & mid-week
● Coxswain or greater is preferred
If this would suit you, get in touch now!
1800 453 886
Are you passionate for teaching
the next generation of boaters?
The loss of the harmless Albatross
I very much appreciated Bruce Stannard’s recent article on
the Shy Albatross (Afloat May ’18).
While I consider myself quite a pale shade of green, I was
moved by his piece because of its factual approach and because
it served to remind me of issues I probably knew but have
conveniently forgotten to remember.
I hope Bruce can continue to remind us all in his sensible
and tempered way that we have to be careful not to lose the lot.
Having seen albatross on only a handful of occasions, I
shudder to think that my grandchildren may never see one if
we are careless.
Trevor Richards, Yacht Grot,
Fremantle, WA .
Fuel for thought
I enjoyed Bruce Stannard’s article on the Shy Albatross
off NW Tasmania and the effect of climate change. One of my
greatest pleasures at sea was to be accompanied by albatross
and of course dolphins.
The story reminded me of an experience on a delivery I once
had from Pittwater, NSW, to the Tamar in Tassie. We took a belting
off Eden and went in to await the weather. The big mistake I made
was to not top up fuel at Eden.
Sure, I had sails, but when we rounded the corner into the
‘ treacheous’ Bass Strait there was not one scrap of wind. Not
enough to even ripple a sail. There were many albatross around
us, just sitting there, seemingly unable to get a lift-off. It was
My point is always make sure you have plenty of fuel for your
trip. Out went a call to Tamar Sea Rescue, the local VMR unit to
stand by to fetch me a supply off the river mouth. I actually made
it with not much more than a thimbleful in the tank.
Since then, I have for some years now been an active member
of that organisation in appreciation of the service given by all
Large bow waves indicative
of fuel inefficiency
I have been following the recent exchange of letters with
regard to the bow waves from large boats. I would like to point
out that this problem is not confined to NSW waterways. Here
on the South East Queensland Broadwater, it is also a serious
problem with heavy displacement vessels pushing along at very
fast pace, on busy days seeming to go by at the rate of about
one every five minutes.
What intrigues me is that these huge bow waves are evidence
of equally huge fuel inefficiency, not to mention the unnecessary
production of greenhouse gas.
The fossil fuel investment in these waves actually exceeds the
investment in getting vessels from point A to point B.
Recently, with the help of a friend, I connected a laptop
computer to the control module on my motor and measured
peak injector pressure at different engine speeds. This peak pulse
is directly proportional to the quantity of fuel injected for each
power stroke, and can be combined with engine rpm to compute
fuel usage, which can then be compared to water speed to arrive
at a value for the vessel’s overall fuel efficiency.
Looking back at one’s wake, it is clearly apparent that
as efficiency falls away with speed the size of the bow wave
increases proportionally. I found the degree of inefficiency as
one approaches so-called hull speed to be truly amazing with
as much as a four-fold decrease in efficiency at higher speeds.
So, not only are these cowboys making life miserable for
others, they are paying big money for the privilege. Small
satisfaction, though, for those of us who are having to cope with
their lack of manners.
Mt Ommaney, Qld.
There has been a lot of talk recently about the issue of the
wake created by large cruisers, and the subsequent effect it
has on other craft (particularly small ones) on Sydney Harbour
and what should be done about it, with many saying “no one is
Well, I have some good news to pass on to everyone concerned.
On Saturday, 26 May, I was on the Harbour heading back
to Five Dock from a lovely lunch at Balmoral when, sailing past
the HMAS Sydney Monument, I was passed by a big cruiser, at
speed, and approx 15 metres from us.
I barely had time to turn toward his wake when we were hit
by the huge wave. Fortunately, everyone on board was OK and
we only suffered some loose items in the hull toppling onto the
floor of the cabin.
Just moments later, however, out of the corner of my eye I
noticed a Water Police vessel hit the power and flashing lights and
shoot off after the cruiser and stop them around 1,500m further
up the Harbour from were it happened ... brilliant!
I don’t know if any fines were issued, however, they were
alongside the cruiser for around 10-15mins before heading off.
The cruiser skipper then sheepishly motored on ... at low speed.
Interestingly enough, the roll on effect was that all the other
large cruisers in the area now seemed to be going much slower than
usual, or at least until the Water Police disappeared out of site .
Who says “there’s never a copper around when you need one”.
Thank you Sydney Water Police. Great job, keep up the good
Hills District, NSW.
Links Archive AFLOAT June 2018 AFLOAT August 2018 Navigation Previous Page Next Page