The SimFeedback-AC DIY Motion Simulator thread

[sjb266]

Hey guys. Thought I’d create a thread for those taking the plunge into this brilliant DIY project..
I will be starting mine soon and I know there are others thinking about it.. so feel free to share your knowledge and experiences so we can all enjoy this platform to its full potential. A huge thanks to the developers who have really knocked this one out of the park!

Website: https://opensfx.com/2019/02/20/welcome-to-our-new-site/

Github: https://github.com/SimFeedback/SimFeedback-AC-Servo/wiki

For all the internals for the actuator contact Amy - skye@ntl-bearing.com
She can supply everything you need. Just remind her you want the ends of the shafts chamfered and make sure she sends the right sized ball screw - we have had a couple of issues reported. She is very helpful though and the cost is pretty good.


Huge thanks to @RowanH for writing a comprehensive user guide which can be accessed here - https://www.rowanhick.com/sfx-100-build-and-running-guide

In addition, @anton_Chez has contributed a list of post numbers for some of the important settings etc..
Post #320 SFX-100 thread
Post #327 SFX-100 thread for Discord correlation
Post #339 SFX-100 thread
Post #418 SFX-100 thread
Post #424 SFX-100 thread
Post #439 SFX-100 thread
Post #449 SFX-100 thread
Post #517 SFX-100 thread
Post #554 SFX-100 thread
Post #580 SFX-100 thread
Post #826 SFX-100 thread
Post #837 SFX-100 thread
Post #864,866,867,868,870,887,889,897 SFX-100 thread
Post #911,914 SFX-100 thread
Post #988,992,998 SFX-100 thread
Post #1147 SFX-100 thread
Post #1492 SFX-100 thread
Post #1511,1517 SFX-100 thread

I will try to keep this page updated with links to source the parts in other parts of the world. Just post whatever links you have and i'll add them here.

Please note: Not all the parts listed below are essential for the project. For the essential parts refer to the original shopping list.

Australia:

• O-Ring - https://www.ebay.com.au/itm/Kit-419Pcs-O-Ring-O-Ring-Black-Rubber-32-Sizes-With-Case-3-50mm-W8D7/223152697816?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649
• D-Sub breakout board - DB25 25pin Female Adapter RS-232 Serial Terminal Module Breakout Board Connector
• Emergency Stop - https://www.ebay.com.au/itm/Reliable-Emergency-Stop-Push-Button-Box-600V-Switch-for-Elevator/192115082001?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649
• Arduino Wiring - https://www.ebay.com.au/itm/40-pcs-Dupont-Cable-20cm-Jumper-Wire-for-Arduino-RPi-breadboard-AU-Stock/202436863098?ssPageName=STRK:MEBIDX:IT&var=502467628096&_trksid=p2057872.m2749.l2649
• Breadboard - https://www.ebay.com.au/itm/Mini-Solderless-Breadboard-400-Contacts-Tie-points-Universal-Available-New-lemon/123145741183?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649
• D-Dub Cable - https://www.ebay.com.au/itm/Black-D...h=item3f6ace6403:g:038AAOSw9mpaSsU2:rk:1:pf:0
• Screw Shield for Arduino Leonardo - https://www.ebay.com.au/itm/New-Scr...h=item25a9d471a4:g:5BgAAOSwraJbc9rC:rk:1:pf:0
• Arduino Leonardo Replica - https://www.ebay.com.au/itm/DIY-Eduino-Leonardo-Module-with-USB-Cable-for-Arduino-ATMEGA32U4-Blue-Black/132719951279?epid=916281063&hash=item1ee6b9bdaf:g:2QUAAOSw5iNbWv6b:rk:123f:

Thanks to @AussieSim for the following links:

10A power lead(s) * 4
https://www.jaycar.com.au/2m-black-mains-extension-lead/p/PS4152

Top quality wire stripper
https://sydneytools.com.au/product/boxo-cutws205-multifunction-wire-stripper

RCD/safety switch power block
https://www.bunnings.com.au/arlec-4-outlet-heavy-duty-portable-safety-switch_p4420028

WD-40 lithium grease for the ball screws
https://www.bunnings.com.au/wd-40-specialist-300g-high-performance-white-lithium-grease_p6100408

Vibration pads
https://www.bunnings.com.au/whites-on-site-100-x-12-5mm-rubber-anti-vibration-mat-4-pack_p3961547

WD-40 Dry PTFE spray for the slider (free shipping)
https://au.rs-online.com/mobile/p/lubricants/7577134/

Arduino Leonardo (free shipping + frequent 10-15% off discount)
https://www.arrow.com/en/products/a000057/arduino-corporation

DB25 cables * 4 (free shipping)
https://www.arrow.com/en/products/ak401-2/assmann-wsw-components-inc

PETG * 3 (free shipping)
https://www.arrow.com/en/products/petg17bk1/mg-chemicals

WAGO-like connectors to avoid a breadboard (perhaps use genuine ones if you are doing 240V AC)
https://www.aliexpress.com/item/32906719488.html

D-Sub breakout boards * 4
https://www.aliexpress.com/item/32297675967.html

3D printer Creality Ender-3 Pro
https://www.aliexpress.com/item/32918302452.html

Wires from Arduino to D-Sub breakout (remove black plastic from the WAGO end)
https://www.aliexpress.com/item/32887680826.html

Crimp connectors for AC wire leads
https://www.aliexpress.com/item/32813550981.html

 

[sebna]

If possible I would also like to get invited to Discord channel

Many thanks!

 

[sebna]

Can I ask what the max speed and acceleration of the SFX100 is please?

I believe it was mentioned earlier in the thread 250mm/s and over 1g acceleration.

 

[RaceNut]

Thanks for the tip of the realtime data check while driving Jochem.

I kinda feel like i'm the 4th beta tester. The unknown factor

In all honestly guys, i probably went a bit too far. This is partly caused by me missing my GS-4 and the larger surge travel of the NLMv3. When tuning i was trying to over compensate for missing those 2 factors

In my defence: Tuning a motion rig while in VR is difficult enough as it is. When you start of in the expert tuning, you should have some visual clues to what the rig is actually doing. So for now i will stick to the basic tuning and use the basic profiles.

I drove a couple of races this morning and the rig didn't move a mm.

The new plates seem to be working great, but tuning down the motion was needed to.

This week i'm gonna concentrate on finishing up some customer wheels and then start moving around stuff in the office. For the tuning fase i will find a way to race on one of my 46" TV screens while using my 40" monitor to tune and watch the live data while driving. Visual clues to what the rig it doing will also help spotting when you go too far. I hope by that time the GS-4 can be fixed to, so i can combine the tuning of both systems.

No worries Henk, I know I tried to push to push my rig past the limits early on but, it's all part of the learning experience (much like learning car control). It all makes sense, especially when we are used to things working a certain way and our brain has to adapt to sudden changes that may not necessarily correlate in RL.

 

[MADShootStuff]

Howdy all,

Been lurking here for some time now, probably since about a week after the thread opened. Read all 18 pages of posts except for a few text walls and I'm incredibly interested in this project!

I'm wondering what sort of tools are going to be required aside from a 3D printer. At this price point i can see buying one if I cant find a good way to source the printed parts.

I seem to remember talk of lathes and drill presses etc. that I don't have... What would be the minimum that is needed without compromising quality?

Thanks for any insights!

 

[C64]

Howdy all,

I'm wondering what sort of tools are going to be required aside from a 3D printer. At this price point i can see buying one if I cant find a good way to source the printed parts.

I seem to remember talk of lathes and drill presses etc. that I don't have... What would be the minimum that is needed without compromising quality?

Thanks for any insights!

I've printed all the parts, the final few bits including some stuff for a new rig should arrive this week. The 3D rpinted parts don't need any additional work other than tidying up plastic "flash" by hand. The only assembly that looks like it needs a bit of care is putting the threaded inserts into the 100x100 box section... this can be done with basic handtools. The rest really is just a matter of assembly... even the electronics. Apart from the 3D printed parts and sourcing all the components - there is no barrier to completing the build.

 

[MADShootStuff]

Great,

Thanks for the quick response!

I'm in the US and haven't seen anyone talking about sourcing the parts over here, one I get a round tuit I'll post what I find.

 

[GEEDOGG]

Hey Guys I'm excited about this project I'm in the U.S. and I'm also new to 3D printing I purchased a printer and started printing over the weekend the only part I have ordered from the shopping list so far is the aluminum extrusion and threaded inserts from Kinetic. I'm not sure about the motors yet because of the 220v 110v difference in the U.S One of the parts I printed (Slider) I've read on another thread that it may not fit in the extrusion depending on my printer settings or slicer software I'm using so I only printed one and I'll try it once I receive my extrusion before printing the other threel sliders. I will keep you guys updated on my progress.

 

[cprelot]

Hey Guys I'm excited about this project I'm in the U.S. and I'm also new to 3D printing I purchased a printer and started printing over the weekend the only part I have ordered from the shopping list so far is the aluminum extrusion and threaded inserts from Kinetic. I'm not sure about the motors yet because of the 220v 110v difference in the U.S One of the parts I printed (Slider) I've read on another thread that it may not fit in the extrusion depending on my printer settings or slicer software I'm using so I only printed one and I'll try it once I receive my extrusion before printing the other threel sliders. I will keep you guys updated on my progress.

yeah don't worry we can help you here
I'm in Canada and I already setup a 240v 20A Line that goes from my main breaker house
with a 240v Receptacle.
I'm waiting the servo to delivery to try it.

 

[C64]

There has been a discussion on the iracing forum about trying to find 110v servos and controllers... the conclusion at the moment is to get a step up converter to 240v... like this one

https://converter-shop.com/products...ogle_DE&ref=SFDR_186915630&variant=6452998531

 

[sjb266]

Great,

Thanks for the quick response!

I'm in the US and haven't seen anyone talking about sourcing the parts over here, one I get a round tuit I'll post what I find.

My Chinese contact can help you out. PM me your email and I’ll get her to contact you. She can send you an invoice for all the internals for the actuator.

 

[RaceNut]

Hmmm, I already have a 240v circuit in my office for my printer.

 

[sebna]

Hmmm, I already have a 240v circuit in my office for my printer.

That printer must be close to your heart to go through all the trouble just for it

 

[MADShootStuff]

My Chinese contact can help you out. PM me your email and I’ll get her to contact you. She can send you an invoice for all the internals for the actuator.

Sent, really appreciate it - looks like this might be easier than I thought!

 

[MADShootStuff]

yeah don't worry we can help you here
I'm in Canada and I already setup a 240v 20A Line that goes from my main breaker house
with a 240v Receptacle.
I'm waiting the servo to delivery to try it.

Nice, so a 20A circuit has enough overhead for the whole setup? Is it 5A max per actuator?

I'd likely want to add an additional axis for traction loss, potentially a seatbelt tensioner (because I tend to overdo everything - seem to be in good company in this thread).

I'll need to have a line installed so just want to make sure I've got room to grow if needed - how much would you guys recommend?

 

[Requis]

Working through the same problem Like your self I want the understeer, over steer movement as part of my simulation Rig, I was planning to run two twenty AMP circuits if that helps as I am also wanting to tie in TV's PC etc. Also looking to source these locally through a distributor in Canada and will post back....I guess I'm also buying a 3D printer lol....Just joined so I could track this thread great info, look forward to learning more!
Requis

 

[cprelot]

Usualy theses servo draw 750w each
so 4 x 750 = 3000w ÷ 240V= 12.5A
20A it's fine I think for another motors

not sure if it's worthed to have a servo AC for the traction loss..?
perhaps something less powerfull will do.
I would like to have traction loss me too I need to investigate
if someone have some information I would like to know as well

 

[d69morpwr]

There has been a discussion on the iracing forum about trying to find 110v servos and controllers... the conclusion at the moment is to get a step up converter to 240v... like this one

https://converter-shop.com/products...ogle_DE&ref=SFDR_186915630&variant=6452998531

Finding them isn't a problem. The same motors can be made in a 110 volt version for 33 dollars more. The problem I see is it will double the amp draw going to 110. Somebody correct me if im wrong about that its been a while. So 2 motors in 110 versions would need their own 15 amp circuit. I am waiting to hear back from the company I talked to and make sure that is the case when changing the voltage to 110. Finding a 110volt solution for the motors for people in the US and Canada would make this much easier.

 

[cprelot]

here is a good find: how to wire a 240V outlets and plugs for US and canada:

 

[sjb266]

Ok Aussie boys I just ordered 100 each of the bolts required.. if anyone wants to get some off me let me know..

Not sure on prices yet.. but they range from $7 per 100 to $30 per 100 for the 6 x 85

 

[RaceNut]

That printer must be close to your heart to go through all the trouble just for it

Well, it's very large printer with infra-red ink dryers; it actually uses 2-240v circuits.