Explained !
1- The reshaped roll-hoop intake: It now has a higher aspect ratio, is slightly wider, and has a lower height, along with minor cooling optimizations. The airbox design also appears to have been modified, which could suggest an improvement in centerline cooling.…
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I would call it uninspiring, but it is clear either they're focused on '26 or they had some financial constraint from last season crashes.
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The most obvious and significant change made to the FW47 is the front wing.
They have shifted to a 'typical' anhedral design. More even load distribution across the upper flaps. Lowered main plane through center span. I assume the goal here is to achieve a bit more ground effect.
Redesigned nose cone, still attaches to the 2nd FW element.
They have shifted to a 'typical' anhedral design. More even load distribution across the upper flaps. Lowered main plane through center span. I assume the goal here is to achieve a bit more ground effect.
Redesigned nose cone, still attaches to the 2nd FW element.
Small T-wing fixed to the rear wing pylon on the FW47. Big gurney on the upper side, so we know it's the pressure side. This sets up two in-washing tip vortices.
The air exiting the cooling cannons is typically low energy and velocity. These tip vortices can help re-energize the airflow, improving the performance of our rear/ beam wing.
Potentially also contain it so less of our rear wing is affected by the low density air exiting the outlet (hot air has lower density)
These vortices also create a low pressure region just behind the outlet, thus creates a vortex induced draft that pulls the low velocity air out of the cooling outlet.
The air exiting the cooling cannons is typically low energy and velocity. These tip vortices can help re-energize the airflow, improving the performance of our rear/ beam wing.
Potentially also contain it so less of our rear wing is affected by the low density air exiting the outlet (hot air has lower density)
These vortices also create a low pressure region just behind the outlet, thus creates a vortex induced draft that pulls the low velocity air out of the cooling outlet.
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Pretty much everything has been revised. Lots of interesting details, all will be posted in this thread.
Hopefully compression is on our side this time, please ignore spelling errors.
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Our first major one start with the pull-rod front suspension. It seems the entire front assembly has moved upwards ever so slightly at the inboard chassis pick up points. Compared to a push-rod, the pull-rod lowers the center of gravity ever so slightly and can also potentially be lighter due to the fact that our rod is not experiencing any buckling forces as with the push-rod.
Our front wing has remained largely similar, if not the exact spec from Singapore '24. The nose is slightly more tapered, however nothing noteworthy. As I wrote in the image, I expect most of the work on the front wing to have gone into the material design.
Front view, we can see a very deep undercut and the newly shaped P-inlets. We also the lower mirror faring and the rolled tip for the mid-wing, all carefully working together to manage the vortex shed by the mid-wing.
Other changes include the front brake ducts, the new medium downforce rear wing and the redesigned 3rd floor fence. All discussed in the image.
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A few disclaimers first:
-The two photos are at slightly different angles, which already makes this comparison inaccurate.
-The lines themselves have a width (any smaller and compression would make them invisible) which again affects the accuracy of this comparison.
-It's better to have this confirmed by the team or an insider source. So for now take this as speculation.
I've aligned the images as best I possibly can, it seems that on the SF-25, the cockpit and airbox intake has moved slightly rearwards. Requires further analyses or confirmation.
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Again, we're at the mercy of the angles here, so take this as speculation rather than confirmation.
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It looks one complete fairing with a slot gap for the rear lower wishbone member, resembling a dual element wing. That means our lower wishbone, track-rod & driveshaft are all encased in the same fairing. Not a very common trend at the moment.
This deserves a closer look with better lighting and angles to be certain.
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From this angle increases my confidence in this being a single encasement fairing.
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