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2017 Ford GT
A 1:10 scale model of Ford’s (currently) not-yet-released supercar, featuring a unique 8-speed sequential transmission, full RC capabilities, and a motorized rear wing among many other functions.
About this creation
Propulsion: 2 x L Motors
Steering: 1 x M Motor
Drive Type: RWD
Transmission: 8-speed sequential with integrated auto-clutch, controlled by 1 x M Motor
Weight: 1.84 kg
Height: 12 cm high
Length: 48 cm long
Width: 20 cm wide
Power Source: 7.4v 8878 Li-Po Battery Box
Estimated part count: 2600 pieces
Suspension: Front axle: Dual-wishbone independent
---------------- Rear axle: Dual-wishbone independent
Ackermann steering geometry
Opening butterfly doors
Motorized rear wing with ratchet mechanism
Working steering wheel
Working V6 piston engine


For the video click HERE.

It has been a little while since I last posted - 2 months-, but I’m quite happy with the final product and I hope you find the wait to have been well worth it. Anyway, here I present to you my 1:10 scale model of the 2017 Ford GT; at the time of this writing, a concept vehicle scheduled for release next year. I’m also trying something new with this post by highlighting key terms, so that you can skim the post and yet still get the general idea. We’ll see how it works.

Fifty years after the original Ford GT40’s 1-2-3 victory at Le Mans, Ford intends to release their third iteration of this iconic vehicle. By compiling information from all over the internet (necessary due to the lack of blueprints) I have managed to recreate this vehicle to my satisfaction, just in time to commemorate Rage Hobbit Sr.’s 16th birthday and my (meaning both myself and my younger brother) second anniversary of building with Lego Technic.

The original vehicle was first shown at the Detroit Auto Show in January 2015, where it stunned audiences and ensured that it would see serial production the following year. The photos released into the internet made an impression on myself and my Rage Hobbit Jr. and we immediately elected to recreate this vehicle as our next large-scale supercar. It took a little while before I (sorry for all the changing pronouns… consider “I” from here on to mean “we”) got around to it, and the actual building process took longer than usual due to rather insufficient photos and information on the real vehicle.

The highlight of this model is definitely the custom 8-speed sequential transmission; a design partly inspired by the SVT Raptor’s transmission. The design is completely original and is not based at all on Sheepo’s excellent transmission, and the relatively small size makes this model the only 1:10 scale Lego Technic car to feature an 8-speed sequential transmission as of the time of this writing. It is based on my basic 4-speed sequential transmission - which can be found here - except it has another 2-speed transmission (with ratios of 1:1 and 1.25:1) as the input that shifts twice for every gear shift of the 4-speed transmission. This creates 8 separate gears within the transmission, with the following ratios:

Gear 1 = 6.25:1
2 = 5:1
3 = 3.75:1
4 = 3:1
5 = 2.08:1
6 = 1.67:1
7 = 1.25:1
8 = 1:1

Having a 2-speed transmission as the input, synchronized with the 4-speed, meant the 2-speed actually served the dual-function of acting as an auto-clutch. This entirely eliminated the need for an external clutch, making the whole assembly somewhat smaller. As a side note, I will soon be posting pictures and instructions for the transmission.

The drive was controlled by two hard-coupled L motors geared 1.67:1 into the transmission. This was about the optimal ratio for a vehicle of this size and weight, as the motors were only moderately stressed on gear 8. Steering involved a working steering wheel and the usual M motor geared 9:1 . I also added Ackermann geometry, more as a technical highlight rather than for the added performance.

A new feature I added to this vehicle was the deployable rear wing. It was connected directly to the rear axle’s drive, and was powered using a ratchet mechanism. The ratchet mechanism allowed the wing to extend while driving forward and stay fixed in that position, but after driving backwards for a second or two the wing could be pushed back down. I briefly attempted adding an elastic to the wing to pull it back down upon driving backwards, but it proved to create too much extra strain on the drive motors.

It was the aesthetics - again - that accounted for two-thirds of the 3 month build time on this model. They weren’t perfect, but I believe the model to be recognizable (if you’re aware it’s not a McLaren). The transmission worked surprisingly well considering it was the first of its type that I’ve built. Overall, the model was an interesting and enlightening build, and I will certainly incorporate some of the components into my next large scale supercar.




































































































































Comments

  December 8, 2017
Looks really good! I am impressed with the sequential gearbox!
 I like it 
  September 23, 2015
Very impressed. Way out of my league. 10/10. Per
 I like it 
  July 10, 2015
Amazing piece of brick, Really nice techniques for such a new and still infamous car for Lego builders. The front is the best part so far :)
 I like it 
  July 10, 2015
The bird's-eye view is just awesome. The underneath is pretty spectacular as well.
 I like it 
  July 8, 2015
Great work!!
 I like it 
  July 7, 2015
Another amazing car mate !!!! Congrats on a outstanding MOC
 I made it 
  July 7, 2015
Quoting Francisco Hartley, Paul Boratko, and others
Thanks a lot everybody!
 I like it 
  July 7, 2015
Excellent engineering. Good looking (although not quite perfect), yet with incredible functions hidden within - eight gears!!! 5 stars, it's a huge step up and surely means you're now amongst the best supercar builders around : )
 I like it 
  July 7, 2015
Most impressive! A+
 I like it 
  July 6, 2015
Very Nice..!
 I like it 
  July 6, 2015
Excellent design! Can't wait to see the gearbox design.
Rage  Hobbit
 I like it 
Matt Bace
  July 5, 2015
An amazing work of engineering, both for its looks and for the compact 8-speed sequential transmission (which I'd love to see more of). Fantastic build!
 I like it 
  July 5, 2015
Oh man, your models are really improving! This build is fantastic!
 I like it 
  July 5, 2015
gorgeous, i really dig the combination of system and technic bricks, well done on this.
 I like it 
  July 5, 2015
Most beautiful!
 I made it 
  July 5, 2015
Quoting Matt Bace An amazing work of engineering, both for its looks and for the compact 8-speed sequential transmission (which I'd love to see more of). Fantastic build!
Thanks. I am currently creating instructions for the transmission, which should be posted in about 2 weeks' time.
 I like it 
  July 5, 2015
good build, even though i hate the car, i very much prefer the old Ford GT40/ GT
 I like it 
  July 5, 2015
Excellent work!!
 I like it 
  July 5, 2015
I`m looking forward to see that gearbox design, the looks are a just a tad heavy, but thats my opinion, I think in techics you sometimes have to chose for a more sugestive body, in stead of filling up every space. But hey, that photo from the top, is just excellent!
 I like it 
  July 5, 2015
Your sir are a class tier engineer. Great great model. Take my like, you deserve it!
 I like it 
  July 5, 2015
Excellent!
 I like it 
  July 5, 2015
Good working functions and looking realistic too. Great job!
 I like it 
  July 5, 2015
Simply stunning! Beautiful work!
 
By Rage Hobbit
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LEGO models my own creation MOCpages toys shop 2017 Ford GTTechnic


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