Hi all, i'm creating a replica of the well know MX5. I took the 3d model from https://sketchfab.com/3d-models/mazda-miata-mx-5-na-d51fcd44b74f4daf8012c41e0400c041
Then i looked for blueprints for suspensions and transmission specs (for gear ratio and rear lsd diff)
I placed then all the masses like the blueprints and configured the engine so that it has the real power and torque curve. The mass ratio is 50F%50R like the real one without driver and fuel.
What i did not manage to find are the specs for brakes (power) and dampers.
I still have to clean a bit the 3d model of the interior.
On track feels quite pleasant to drive.
Let me know what do you guys think.

Yes!!! Soo excited for this I’m a MX5 fan boy! I’ve had 2! Please make a 1.8L spec and a stripped interior roll caged version for spec races!

Quote from martin18 :

Yes!!! Soo excited for this I’m a MX5 fan boy! I’ve had 2! Please make a 1.8L spec and a stripped interior roll caged version for spec races!

cool, do you have by chance info about damper stiffness and so on?

would you like to try it to give me some feedback?

To kick things off … some forum posts say (and I quote without understanding what stands there):

Stock: 154#/97# = 97/154 = 62.98% (r/f)
Stock: 154#/97# = 154/97 = 1.5876. (f/r)

Source: https://forum.miata.net/vb/showthread.php?t=481073

Quote from martin18 :

Yes!!! Soo excited for this I’m a MX5 fan boy! I’ve had 2! Please make a 1.8L spec and a stripped interior roll caged version for spec races!

Another fanboy here Had a 10AE NB for over 5 years. I've also driven the NA couple of times. Hardtop variation would be cool! Here's a 3D model of the hardtop: https://grabcad.com/library/miata-hard-top-1

Added some files if they help you with the textures.

Here's a calculator tool for modeling diferent brake calipers in NA miata. I'm not sure if it helps you or not, let me know.
https://www.blackartgraphics.com/pages/mx5-brake-bias-model


Here's specs of the suspension:

NA OEM Showa
Front
344mm body
121mm stroke
464 max length
Rear
242mm body
131mm stroke
374mm max length

NA OEM Bilstein (R package)
Front
342mm body
122mm stroke
464 max length
NA Rear OEM Bilstein
242mm body
127mm stroke
369mm max length

OEM shocks are 153/70 Newton meters/second, compression/rebound.
R package Bilsteins are 430/75 Newton meters/second, compression/rebound.

And here's a table of springrates https://miatiniracing.files.wordpress.com/2018/06/mx-5-federraten.pdf

Quote from Tazka :

Another fanboy here Had a 10AE NB for over 5 years. I've also driven the NA couple of times. Hardtop variation would be cool!
Added some files if they help you with the textures.

Thanks for finding those specs for him I was looking for them too! I agree maybe a hard top “configuration” like the LX models have top or no top. And maybe out the front lip just to make it look a little better the factory R style lip. And for steering wheel yes please use either the factory nardo or the mini wheel not the airbag pillow steering wheel lol.

https://www.ebay.com/itm/JDM-Mazda-Miata-Eunos-MX-5-MX5-Roadster-Leather-steering-wheel-momo-370mm-OEM-/144217341117?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=711-127632-2357-0

I have a very good feeling about this car and the LFS engine.

Somehow they go very well together. The soft chassis of the Mazda and the way LFS simulates things like that ... Mhmm that could work wonderfully "out of the box."


Very good choice

Quote from Tazka :

Another fanboy here Had a 10AE NB for over 5 years. I've also driven the NA couple of times. Hardtop variation would be cool! Here's a 3D model of the hardtop: https://grabcad.com/library/miata-hard-top-1

Added some files if they help you with the textures.

Here's a calculator tool for modeling diferent brake calipers in NA miata. I'm not sure if it helps you or not, let me know.
https://www.blackartgraphics.com/pages/mx5-brake-bias-model


Here's specs of the suspension:

NA OEM Showa
Front
344mm body
121mm stroke
464 max length
Rear
242mm body
131mm stroke
374mm max length

NA OEM Bilstein (R package)
Front
342mm body
122mm stroke
464 max length
NA Rear OEM Bilstein
242mm body
127mm stroke
369mm max length

OEM shocks are 153/70 Newton meters/second, compression/rebound.
R package Bilsteins are 430/75 Newton meters/second, compression/rebound.

And here's a table of springrates https://miatiniracing.files.wordpress.com/2018/06/mx-5-federraten.pdf

THIS IS GOLD MATE!
I hope i can implement it in the suspension diagram, i'm not very skilled yet. Let's see

Quote from martin18 :

Thanks for finding those specs for him I was looking for them too! I agree maybe a hard top “configuration” like the LX models have top or no top. And maybe out the front lip just to make it look a little better the factory R style lip. And for steering wheel yes please use either the factory nardo or the mini wheel not the airbag pillow steering wheel lol.

https://www.ebay.com/itm/JDM-Mazda-Miata-Eunos-MX-5-MX5-Roadster-Leather-steering-wheel-momo-370mm-OEM-/144217341117?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=711-127632-2357-0

Right now i'm using a standard Cromo wheel, but the Nardo one is amazing, i'll go for that one!

Quote from Xenix74 :

I have a very good feeling about this car and the LFS engine.

Somehow they go very well together. The soft chassis of the Mazda and the way LFS simulates things like that ... Mhmm that could work wonderfully "out of the box."


Very good choice

You're right, right now out of the box is quite pleasant to drive. Actually better than the AC one already. I can imagine that the specs suggested by the others could make it really like the IRL one.

Quote from Federico Testa :

THIS IS GOLD MATE!
I hope i can implement it in the suspension diagram, i'm not very skilled yet. Let's see

No problem mate. You probably found the gear ratios already but here they are if you didn't (hope it comes with torsen instead of open diff) https://www.miata.net/garage/KnowYourCar/S8_Gears.html

Quote from Federico Testa :

You're right, right now out of the box is quite pleasant to drive. Actually better than the AC one already. I can imagine that the specs suggested by the others could make it really like the IRL one.

Excellent!

I love this car in Assetto so much.
And that although the Assetto engine seems to be more suitable for GTR sports cars.
The chassis (measured by the ForceFeedback) is much shorter and harder to feel in the Assetto Engine than in the LFS. Maybe this is due to the limited physics of Assetto. The cars don't tip over ectect. And it is precisely with this vehicle that you can feel this limitation. Because in my opinion the Mazda fluctuates so much and borders on this.

With LFS it could get really awesome and legendary. Because the car itself is SuperFun ..... even in Assetto.

Quote from Xenix74 :

Excellent!

I love this car in Assetto so much.
And that although the Assetto engine seems to be more suitable for GTR sports cars.
The chassis (measured by the ForceFeedback) is much shorter and harder to feel in the Assetto Engine than in the LFS. Maybe this is due to the limited physics of Assetto. The cars don't tip over ectect. And it is precisely with this vehicle that you can feel this limitation. Because in my opinion the Mazda fluctuates so much and borders on this.

With LFS it could get really awesome and legendary. Because the car itself is SuperFun ..... even in Assetto.

Exactly even with the better stock bilstein suspension it's very soft setup. The miata is surprisingly well executed in Assetto. But the Assetto physics are quite unrealistic other than that.

You can see how bad the bodyroll is here: https://www.youtube.com/watch?v=iBKsBb8lpfQ

Quote from Xenix74 :

Excellent!

I love this car in Assetto so much.
And that although the Assetto engine seems to be more suitable for GTR sports cars.
The chassis (measured by the ForceFeedback) is much shorter and harder to feel in the Assetto Engine than in the LFS. Maybe this is due to the limited physics of Assetto. The cars don't tip over ectect. And it is precisely with this vehicle that you can feel this limitation. Because in my opinion the Mazda fluctuates so much and borders on this.

With LFS it could get really awesome and legendary. Because the car itself is SuperFun ..... even in Assetto.

It makes a huge difference with spring stiffnes. I went for a soft-medium spring. The specs given seemed extremely soft. I could manage to match the braking power of the original but i did not manage yet to dial in bump and rebound. Going to publish it right away...

How do I download it? I don't see the link anywhere

Quote from lukaz lfs :

How do I download it? I don't see the link anywhere

You need an S3 license to use car mods in LFS.

Here is the mod page: https://www.lfs.net/files/vehmods/A2D283

I think the handling was very well executed. Felt pretty much just like stock mx-5. Good job! The 3d model could use some work on it.

Looking promising, but it needs a ton work on the 3D model / textures / other issues related to LFS/LFS Editor. At this point it is better to not upload it to LFS.net

Quote from Evolution_R :

At this point it is better to not upload it to LFS.net

It's different since W47. If people want to test their physics it is good to upload and test it online, while they are still working on the model. It won't become *approved* until the texturing is done, but they can have fun with the unfinished mod and get feedback on physical aspects.


By the way on the MZD, there is a drive side issue. I have drive side set to "right" (in Options - Driver) and when I enter the game I end up in the car, with steering wheel on the right but dashboard is on the left.

You should either:
- click "select side" at the bottom left in the vehicle editor to give it a *fixed* drive side.
Or:
- make the dashboard swap sides when the driver changes side.

(I need to make the editor detect this as it is such a common fault)

Quote from Tazka :

I think the handling was very well executed. Felt pretty much just like stock mx-5. Good job! The 3d model could use some work on it.

Thanks for the feedback

Quote from Scawen :

It's different since W47. If people want to test their physics it is good to upload and test it online, while they are still working on the model. It won't become *approved* until the texturing is done, but they can have fun with the unfinished mod and get feedback on physical aspects.


By the way on the MZD, there is a drive side issue. I have drive side set to "right" (in Options - Driver) and when I enter the game I end up in the car, with steering wheel on the right but dashboard is on the left.

You should either:
- click "select side" at the bottom left in the vehicle editor to give it a *fixed* drive side.
Or:
- make the dashboard swap sides when the driver changes side.

(I need to make the editor detect this as it is such a common fault)

It's going to take long before it gets approved then , i am really a beginner with modelling and doing it in the spare time.
The focus has been on recreating the physics of the car first of all ( at the end odf the day i could even drive a shoe box and i would not really care if it's fun), next is to make it look nice for the eye of course.

I drove around for an hour or so First of all ... the car is really fun!

I've driven this car for a few years ... so I know it a little bit.
Unfortunately, the vehicle is a bit too stiff. In the straight with slight steering movements it remains too rigid.

The problem is, I don't have enough specialist knowledge and the English language to describe it exactly. I'll try it anyway ...

I just chose South City Cikane to test it as best I can. The car just doesn't want to be agile (enough) in the "small" curves and movements. The chassis remains too hard. But then all of a sudden the MX5 Leo wakes up in the first and last hairpin bend. And how! Man I really have at home loud "yeah!" roared. Without shit 😅 There, in the hairpin bends and in the drift, I might have guessed the car even without a body. Simply wonderful in these situations. As I said, I didn't find much time and didn't even experiment with the setup at first. I wanted to look at it raw before I possibly adjust something right away. I would be happy if you stay tuned. The car definitely has potential. Thanks very much

Without being rude, isn't this just the vehicle dynamic counterpart of an xrg without a fixed roof and a touch more power?

It feels like instead of filling a gap in LFS's current content, its shoehorning something into a tiny crack instead.

I had hoped mod-ability would encourage people to give LFS things that it has never had. Indycar, V8SC GroupA touring car and various IMSA GTO and Trans Am replicas. And I guess it has but not as much as I'd hoped it would

LFS has an abundance of road cars.

Am I missing the point? Maybe I am. I don't know.

Quote from BlueFlame :

Without being rude, isn't this just the vehicle dynamic counterpart of an xrg without a fixed roof and a touch more power?

It feels like instead of filling a gap in LFS's current content, its shoehorning something into a tiny crack instead.

I had hoped mod-ability would encourage people to give LFS things that it has never had. Indycar, V8SC GroupA touring car and various IMSA GTO and Trans Am replicas. And I guess it has but not as much as I'd hoped it would

LFS has an abundance of road cars.

Am I missing the point? Maybe I am. I don't know.

It always takes a bit of time for the modders to familiarize themselves and implement their experience in future plans. Give the boys 2-3 months. It will be fine. And no, an XRT swims significantly more when drifting than the MX5 (my opinion)
And at the same time, these cars don't feel completely alike. Both rear-wheel drive with low power. There are overlaps.

really nice may i suggest one thing?Mirrors?