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Whilst I'm trying to keep atop of the blog you may have noticed of late that there is less content appearing. For those of you that haven't realised, most of my work has now been moved over to Motorsport.com where I'm working with Giorgio Piola.

I'm still doing the technical image gallery for each GP with the continued support of friend of the site Sutton Images. However, as always my time is limited and so this might not be updated as quickly as it once was, so keep checking back.

As some of you may have found out already I'm also working with the Missed Apex crew on their podcast from time-to-time, either doing race reviews or dedicated 'Tech Time' shows.

I've embedded the latest version of the podcast below and will update this a frequently as I appear. However, please head over to Itunes if you want it to appear in your player when episodes are available. The show is great to work on and has a great lineup of 'regulars' but has also enticed some bigger names recently too, with Will Buxton and Bradley Philpot on shows during the summer break.


23 Apr 2014


Earlier in the season I wrote about how Red Bull had used some small Vortex Generators at the transition between the reference plane / plank and the Diffuser. In Shanghai, Lotus also trialled these small appendages in the hope they could glean some additional performance from the Diffuser. 

Above: A stricken E22 is returned to the pitlane and the crouching engineer assess the diffusers airflow with the assistance of the flo-viz paint.  In the inset we can see that the team looked into using Vortex Generators at the Diffusers leading edge (arrowed) at another stage of the weekend.

They work by disturbing the airflow in that region which could yield results at certain speed thresholds due to the adverse angle of the diffuser. However I'd also question how they affect car balance and do they simply move the point at which peak performance is available. In previous seasons the teams have taken the opportunity to shape the starter motor hole in order to do a similar job (injecting airflow instead) but with the starter hole now needing to be covered both Red Bull and Lotus have tried this solution instead.
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