Google maps bogged down in... mud.

Ooops. The Google street view car (an Astra I believe) got itself into all sort of of bother.




[Image Google]


Thank you Nissan Patrol!

Hat Tip: Google Street View: Google Street View Car Stuck In Mud Down Under

He went to to the danger zone

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Towards 50 knots

The rise and rise of the GPS data logger has brought back speed windsurfing in a huge way in recent years.


Going back 15-20 years, speed sailing was an incredible pain. You had to lay out a 500 metre course, with timing gates set for a certain tide and then hope it all panned out. Having a GPS means you can hit the water when you want.

And it's ratified:

The following applies when using GPS survey equipment:
a. Receiver logging rates shall be set at 10 Hertz, which results in a GPS position every 1/10th of a second.
The GPS system shall provide time stamp with each position that are accurate to within .001 second.

More on the rules here.

The Navi BT-11 brought an SD equipped GPS data logger to everyone. For about US$80 you had a device that was incredibly accurate, water resisitant (a waterproof camera style bag sorted that out) and made analysis, top speed and even integration with Google maps incredibly easy. Here's an example.

So we come to Macquarie Innovation. The first time I saw it's predecessor Yellow Pages Endeavor I did not know what to make of it. I sailed behind it on my windsurfer in 1993 when it was doing its test runs and at the time I thought it was not super fast, but had weirdly blistering acceleration.

I recall reading about designer Lindsay Cunningham and thinking he was actually full of crap; of course that opinion turned out to be full of crap. He designed the "boat" to be an assymetrical speed machine, designed only to beat the record with efficiency, not be the blunt instrument we windsurfers were and still are. In that year they took the outright and boat class record, pushing the record to 46 knots (52mp/h or 85km/h) over the 500 metre course. Several things about this record blew me away. First Cunningham predicted it- the speed they would achieve and the wind they would need to do it in- just 20 knots. This record stood for 11 years until the blunt instrument of windsurfing inched its way past.

After that, I thought a smaller craft for one crew might be e better option and it could be made stronger and therefore go out in more wind. Once again; blinded by the theory that you need lots of wind (30-40knots) to go fast. The new craft had a different wing/sail but was still about the same on-water dimensions.

This latest record of 48.14 is up by 2 knots, around 4%. Thats huge in my view. If the world record for 100m dropped by 4%, that would represent a drop of .4 seconds- about 4 metres! The peak speeds were over 51 knots. Really all the team needed was a steady 22 knots (instead of the 18 they got) and we would be looking at a 50+ knot world record- and probably another 11 years of holding it.

The efficiency of this new craft is astounding:

This performance represents not only the fastest speed ever recorded by a sailing boat, but also the most efficient use of wind energy by any craft competing for the World Sailing Speed Record.
Capable of sustaining speeds in excess of three times that of the wind powering it, Macquarie Innovation showcases an Australian project that is leading the world in sail powered performance, efficiency and design technology.

Dr Tom Chalko- sustainability early adopter and speed sailing fan was there:

MI speed sailing craft on course in Sandy Point on 8 March 2007. It reached 48 knots in 16-18 knots of wind. I must have been the only spectator - there is not a single footprint on the beach..

Well done to the Macquarie Innovation team. Long may your record reign.

That's the Macquarie Innovation container filled with gear to attempt to take back the speed record from windsurfers :-), originally uploaded by Tüshar.

The container as used by the team for their gear.

Licensed under Creative Commons.


Image used courtesy of Yachting Victoria/Macquarie Innovation Team.

Windsurf at Elwood today

Oh lordy that was good. Steady southerly, The Don, The Tone, Benny D, Rocket Roddie and a few others.

After the triumph that was Sandy Point, I had my dander up somewhat and was starting to believe that 37.5 knots on flat water might translate to 30+ on the bay.

WRONG!

Though we did not get the wind strength like Sandy Point- 25k tops today vs. 35k at the Point, it was still strong enough. Heading off the wind beyond 120 degrees and the sail died in your arms like a war buddy (yes that was an appalling metaphor). Another 5-10 knots would have helped to boost speeds above 30, but would have made going upwind, messing about, jumping and whatnot a right nightmare. That's speed sailing for you though- tread softly and carry a big stick.

So, without any further guff, here's the data track for Google Earth.

The .kmz file contains the following note:

I don't call it cheating to go upwind and then bare away onto 120 degrees just to get a bigger top speed. In this case 27.9 knots or 51.67 km/h or if you like 32.1mph

Sandy Point New Years holiday.

A few beers, the lads and 35knots of Easterly.

www.flickr.com thomasrdotorg's Sandy Point- New Years 2008 photoset

Also I got 37.5 knots on my 9 year old Torquay freeride 272. With a wavesail. That's gotta be a some kinda record...?

See the GPS data track in Google earth here. I think with a speey fin, a wet n' dry and maybe a race sail I could actually get 40 knots out of the old girl.

And still pull these off:

Elwood sailing day 22 December

Love to tell all about our day out sailing, but knackered. To Donny, Tony, Duncan, Ben & Paul; well played.

www.flickr.com thomasrdotorg's Windsurfing photoset

Past, meet future...

On noes, they be replacing me!!

Spotti- waaaay fast...

Craig Spottiswood has really given speed sailing a shake- he's always been fast; now we have the numbers 43 knots + (81 km/h)
See him smoking at Sandy:


Freaky fast.

Ride to work day

I was full of good intent:

• Ride to work? NO problem
• Get up early to go to Fed Square? Did NOT happen.
• Get up early to do scenic route? Did NOT happen.
• Take camera for pics on the way? Yes, got it.
• Take pics on the way? NOT quite.
• Take GPS data logger? Yes got it
• Turn it on? Not until Albert Park.

Anyway, more pics to come and here's the data track...

GPS datalogging fun

Rachel and I went for a ride this morning and the data logger came witH us.

Here's the track of our ride from RPS to the Galleon Cafe.

Sweet