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Phil Borley (PBM MotoGP) - Q&A

Manufacturers may have their own software and can run that. The software supplies an interface which allows you to change and manage the various parameters.
Can you change anything while the bike's on track?

Phil Borley:
The only thing that really changes on track will be the fuelling or the Lambda control. The bike will be sent out with a target for the lambda sensors of the amount of oxygen in the exhaust and the ECU will change parameters in order to keep to those targets.

We'll find the Lambda target from running the engine on the dyno as rich, lean or maximum power and then set that target for given revs or throttle position and the ECU will try to match those targets by supplying a given amount of fuel.

We can't change anything interactively from the pit wall.
Do you think it's all become too complicated?

Phil Borley:
It is very complicated, there's that much to take on board, it certainly has become complicated.
The PBM1 must feel like your baby?

Phil Borley:
I've put a lot of time into it. I wouldn't describe it as my baby though. We're quite proud of what we've achieved with it so far to be honest.
Which suspension are you using on the PBM1?

Phil Borley:
We're using Ohlins on both the ART and PBM bikes.

Different manufacturers will have different damping characteristics and you could even get a change from the flexing and the material they use, that's particularly true of the forks rather than the shocks. You can see two performance graphs which look exactly the same, but the suspension is working differently on the track.

For the CRTs the forks can be around 8-9,000 Euros and the shock's around 2,000, but it depends on the specs. The suspension we're using is a production racing item and not up to the level that the manufacturer prototypes are using. For the top spec stuff you'd need a contract with Ohlins.
Which chassis is the PBM1 using?

Phil Borley:
The chassis was designed for us by GPMS technology, a company near Silverstone. They've been doing swingarms and bike parts for us for some time now. It's run by one of the designers from the Kenny Roberts GP team who set up on his own when Kenny stopped running the team. They were keen to get involved and it made sense for them to work with us on this project.

We decided on the geometry, stiffness and where the major components should fit and gave those specs to them. They then designed the chassis around them. The chassis is composed of parts which are machined from billets and then welded together afterwards. We've got four chassis' at the moment, but they can usually be repaired OK after a crash as long as the damage isn't too severe.
How about the rest of the components?

Phil Borley:
Again mostly designed by GPMS, they did the base design for the fuel tank and seat unit and the fairing was done by another fabricator. So really we're just using a lot of the suppliers we've used in WSBK and in the British championship.
The bike is designed for the Aprilia V4 engine, what if you wanted to change to the customer Yamaha engine next season?

Phil Borley:
Paul still has to have some discussions to see what's available and will make a decision in the next month or so. Budget considerations are the biggest issue with the Yamaha because it's a pretty fundamental re-design. We'd have to start afresh with totally new settings.
How ready did you feel in Qatar sitting on the grid with a new bike and rider?

Phil Borley:

Tagged as: Eugene Laverty , Pons , Ajo , Alt

Related Pictures

Click on relevant pic to enlarge
Phil Borley and Michael Laverty, French MotoGP 2013
Michale, Eugene and John Laverty, German MotoGP 2015
Eugene Laverty, German MotoGP 2015
Eugene Laverty, German MotoGP 2015
Eugene Laverty, German MotoGP race 2015
Eugene Laverty, German MotoGP race 2015
Eugene Laverty, German MotoGP race 2015
Eugene Laverty, Baz German MotoGP race 2015
Eugene Laverty, German MotoGP race 2015
Eugene Laverty, leaving black marks, German MotoGP race 2015
Eugene Laverty, German MotoGP race 2015
Michael Laverty, Eugene Laverty, John Laverty, John Hinds helmet, German MotoGP race 2015
Eugene Laverty riding with a replica of Dr John Hinds helmet, German MotoGP race 2015
Laverty and De Angelis, German MotoGP 2015
Laverty and De Angelis, German MotoGP 2015
LAverty, German MotoGP 2015
Michael Laverty, Di Meglio crash, German MotoGP 2015
Eugene Laverty, German MotoGP 2015

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July 02, 2013 11:48 AM

Brilliant interview. Phil Borley is a very clever man. You know he is because he explains very complicated subjects in an easy-to-understand way. And I'll bet that secretly he likes the notion that PB Racing is Phil Borely, not Paul Bird. Together with the rest of the team, for MotoGP newcomers they are doing spectacularly well in the highest echelon of racing. Incidentally, Paul Bird's earlier hard and un-caring reputation ( according to some sources ) is being swept away by his success and commitment in MotoGP.

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