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Craig Scarborough Profile picture
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4 Nov, 4 tweets, 2 min read
I did these sketches to explain the #F1 power unit to someone. You might find them fun to look at...
This is the basic components of the PU
This one outlines the concept of the turbo
The two Hybrid systems (ERS Energy Recovery System)
Simplified V6 combustion engine internals

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More from @ScarbsTech

Craig Scarborough Profile picture
1 Nov
Theres a lot going on the front end of the Red Bull RB16b. Ducting, tanks and suspension geometry. Image
The S-duct is conventional enough, the inlet cleaning up the compromised airflow in the undercut between the cape and nose.
Then the narrow be-winged outlet at the top, a feature unique to RBT Image
More complex is the open nose arrangement, the ducts low down under the actual nose crash-structure, to exit rearwards facing opening behind the Cape.
Weight distribution is played with by having the driver drink tank in the nose and auxiliary oil tank hanging below the chassis. Image
Read 4 tweets
Craig Scarborough Profile picture
22 Oct
A thread about #F1 trick rear suspension.
Teams have been using a trick set up called "collapsible rear heave springs". This boosts top speed and has been a trick used knowingly by all teams for years.
At speed increases, downforce increases the load on the suspension, thereby compressing it. Compress too much and the airflow under the car stalls losing drag/downforce. There comes a point that the car has enough downforce even with a stalled underfloor, so teams exploit this.
As the rear compresses, the rear heave gas spring resists the force to keep the rear end propped up. At a predetermined speed, the load on the gas spring opens a valve, collapsing the rear to lower it and stall it.
Read 5 tweets
Craig Scarborough Profile picture
22 Oct
Random tech pictures from @ScarbsTech archive #USGP 2015
Nuts... 🥜🥜🥜
Timing beacon
Read 7 tweets
Craig Scarborough Profile picture
17 Oct
Here's an overview of the hanging #F1 car, installed at Mercedes Benz world in Surrey, UK. (Entry is free!)
Cockpit, pedals and steering details
Differential and gearbox
Read 7 tweets
Craig Scarborough Profile picture
15 Oct
Friday fun, a few weeks back I visited @MercedesBenzUK world at Brooklands. There's a load of F1, FE and historical Merc stuff there.
100% recommended
This is a deep dive on a W06 ImageImage
Floor and diffuser... ImageImageImageImage
DRS & Rear wing ImageImageImage
Read 8 tweets
Craig Scarborough Profile picture
10 Jan
Archive @scarbstech Brabham Cosworth BT49
Early use of carbon fibre, monolithic sheets used in place of aluminium. Lots of the aluminium CNC milled, inc bulkheads and suspension arms
Roll hoop and top of fuel tank. Fuel pump mounted above, driven by cable off of one of the DFV's cams.
Read 4 tweets

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