Second Shooter: Andrew Gosling's Photos From Phillip Island, Part 1


The old Valentino was back at Phillip Island


Stefan Bradl was so desparate for a good result at Phillip Island that he overcooked a corner and crashed out


Peek-a-boo


Everyone wants a tow from Jack Miller. Jack Miller is not amused


Gardner Jr: Wayne's son Remy had a solid race in Australia


Go Skippy!


The most commonly seen view of Marquez' RC213V


Two Australian MotoGP Legends


A double-barreled Honda


More and more often, riders are wearing helmets on their track inspection laps


#68


PI was a lot easier on Nicky Hayden's surgically rebuilt wrist than Motegi was


Out lap


A thing of beauty


BMW's MotoGP entry


If you'd like to see more of Andrew Gosling's work, head on over to his website http://www.tbgsport.com/, or follow him on Facebook and Twitter. If you'd like to have desktop-sized versions of the fantastic photos featured on the site, you can become a site supporter and take out a subscription. If you'd like a print of one of the shots you see here, then send Andrew an email and he'll be happy to help.

Back to top

Comments

I feel really dumb asking this but the whole time I've been wondering... If the Moto3 bikes are all one lungers... why do they have 2 exhaust pipes?

A good example of why the little 250s have dual mufflers is your average roadbike... the manufacturer knows they need to meet a certain decibel level, but they also want to maximise power and torque levels. Smaller exhaust canister = more power, larger exhaust canister = less noise. The manufacturer needs to find that balance between the two... which explains why most high-powered roadbikes have such big exhaust canisters. It's the only way to meet legislation and still get a good wrap from bike journalists.

Racebikes also need to meet noise regulations on most tracks (how sad is that, @%$# all you people who buy houses near racetracks and then whinge) and the same principles of fluid dynamics apply... larger exhaust area means less restriction and at the same time less noise.

The underseat exhausts on the Honda make a lot of sense - literally two less things to worry about when the bike goes down.

The bigger bikes are also subject to the same noise level regulations, but I think the harmonics of the multi-cylinder motors mean that they emit a relatively lower dB than the 250 singles. They still need mufflers as well, of course.

Show me the muffler on the Honda or Ducati, the only one that is using some sort of muffler is the Yamaha, which is in my opinion a pity because I like the sound of the Yamaha so much!!

It is to make the engine "breathe" better, you can do a lot of things with the exhaustpipe lenght, diameter etc. to improve the performance of the engine.

Remember that the engine has two exhaust valves in the head. They're merely using a separate pipe for each one. Possibly, each valve will have its own completely separate exhaust port as well.

I can vaguely recall old single cylinder bike engines from eons ago that also used a separate carburettor for each inlet valve/port instead of one big one.

2 sliders on his left knee? To remind him to save that side?
I hope the brolly girl brought spare shoes.