1:16 Motorized Porsche 911 Dakar Representation

[Zerobricks]

It's been a while since I posted a personal MOC here, so it's about time to fix that!

After the competition we had in Cluj in Romania last year, I decided to make an AWD version for my next competition car and to include the lessons I learned from the Sterrato, Mustang GTEX and others.

For this version I used a single BuWizz motor to drive the model, which is realistically placed behind the rear axle. It drives a 28 tooth reinforced differential via a 12 tooth bevel gear from the fast, inner motor axle:

 

Rear differential also drives and axle that in turn drives the normal differential in the front, providing front wheels with power. An L motor steers the front wheel to the maximum angle CV joints can provide, 25°.

Exterior is loosely based on the 911 Dakar edition, though some details had to be omitted/recolored due to lack of small panels in white color:

I also had to simplify the rear section a bit in order to fit the motor, but it still features details such as LED bar, lights, exhaust and a skid plate:

Dimensions: 29 x 12,5 x 8,5 cm
Part count: 595 pcs (actually very low for a motorized model at this scale)
Weight: 650 grams

Thanks to the redesigned front axle which uses the normal diff, I also managed to increase ground clearance to almost a stud, allowing the model to be driven over rough terrain as you can see here:

As usual, the LDD file of the model can be downloaded here (remember to update LDD first):

https://bricksafe.com/files/Zblj/116-porsche-911-dakar/1 to 16 Dakar 911.lxf

 

While not the fastest or most powerful 1:16 model I've ever built, it sure is one of the, toughest, reliable, robust and simply fun ones to drive so far.

To conclude, I'm also really happy with the looks, thankfully Porsches are quite easy to build with Technic and I think it's a good representation. Even kids recognized it as a Porsche while recording the video, which I think is a good sign.
 

[Paul B Technic]

I am a big fan of this. Well done and thanks for sharing.

[Timewhatistime]

At the front axle, a black 12 T double bevel gear drives the dbg differential. (Usually, this type of differential meshes with a 20 T (double) bevel gear.)

So, how did you achieve the half stud offset?

[pleegwat]

1 hour ago, Timewhatistime said:

At the front axle, a black 12 T double bevel gear drives the dbg differential. (Usually, this type of differential meshes with a 20 T (double) bevel gear.)

So, how did you achieve the half stud offset?

Looks like the differential is off-center.

[Fluwoeb]

@Timewhatistime, it appears that @Zerobricks is using this piece, a 1x4 half beam, and a 1x3 axle connector with pin hole to create the offset necessary for the front differential setup.

If you look closely at 3:10 in his video, you can see what I am talking about.

[gyenesvi]

Nice looking model, and I like the cleanliness and simplicity of the electronics layout / drivetrain! Only thing that messes it up a bit is that half stud offsetting required at the front axle..

8 hours ago, Timewhatistime said:

So, how did you achieve the half stud offset?

Have you checked the model file he provided?

[Zerobricks]

On 6/26/2024 at 2:47 AM, Paul B Technic said:

I am a big fan of this. Well done and thanks for sharing.

Thank you very much for the praise.

11 hours ago, Timewhatistime said:

At the front axle, a black 12 T double bevel gear drives the dbg differential. (Usually, this type of differential meshes with a 20 T (double) bevel gear.)

So, how did you achieve the half stud offset?

I used half beams. The offset is needed in order to make sure the axles can't slip out of the differential into the CV joint, since the CV joints can accept 1,5 studs of axle.

2 hours ago, gyenesvi said:

Nice looking model, and I like the cleanliness and simplicity of the electronics layout / drivetrain! Only thing that messes it up a bit is that half stud offsetting required at the front axle..

Have you checked the model file he provided?

Thank you. I also like how simple the extrrior is, it really flows nicely. I could get rid othe offset, but than I'd have to make the front axle narrower by a stud and use the reinforced diff, which would prevent me from using the half beams to hold it together at the bottom...Not worth the effort and reduced structural strength IMO.

Edited June 27 by Zerobricks

[bruh]

Looks great! I especially like the rear light bar!

[LEGO Train 12 Volts]

Wow ...the acceleration is absurdly incredible!