F1 » Whitmarsh: McLaren committed to Mercedes

Martin Whitmarsh reaffirms McLaren's commitment to Mercedes as its engine supplier amidst Honda reports

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The Engineer - Unregistered

March 06, 2013 5:10 PM

Honda already have a V6 single turbo engine, controlled by the MECU, used from the start of the 2012 season in the IndyCar IZOD series. It is 2.4l, so would need a rescale and have ERS added - not a massively difficult task, but it has already been 'race proven' as far as the basic design is concerned.

As far as the Merc engine is concerned, McLaren have an option until 2015, so Merc cannot bail out.


March 06, 2013 6:24 PM

engineer. pray tell us how a 2.4 could be reduced in size to comply with f1 bore and stroke dimensions to create a 1.6. and as others have pointed out , the indycars run on methanol, not petrol.


March 06, 2013 7:05 PM
Last Edited 1072 days ago

hrc. whaaattt? you think that it is THAT easy? it would have to be a completely NEW design and structure. the ONLY common thing would be the configuration....V6.

if it was as easy as you and engineer suggest, why have renault and ferrari designed new engines, rather than rescale existing units. and why wouldnt macca just half a v12 and stick on a turbo?

in fact, come to think of it, ferrari just need to bore out their old 1.5 v6 turbo. it should be able to cope with 600 bhp, as it used to cope with 1200bhp.

The Engineer - Unregistered

March 06, 2013 7:56 PM

Scaling an engine from 95mm to 80mm bore is not rocket science - maybe difficult for some to understand, but not difficult to achieve. It is done often by motor manufacturers, especially when they want to reduce development times.

Since 2007 IndyCar IZDO has been using ethanol - not methanol. Currently IndyCar IZDO uses E85 - an approximately 85 octane alcohol based fuel. It is a supposedly 'green' fuel based on vegetable derived alcohol, which could be used in normal gasoline engines and also current F1 engines.


March 06, 2013 8:31 PM

The engineer, I have no problem understanding scaling an engine down or up so I can assure you that when you say "scale down a 2.4l twin turbo ethenol Indy engine to 1.6l and go F1 racing you dont know what you are talking about.
Rob, not that I had any doubt that it will happen but from the sound of you your migration from one team to another has been totally complated.

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