Brushless slot car info & stuff

Somewhere to discuss Other Classes, Races & All Round General 'Stuff' NOT covered by the other Categories.
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stoo23
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Brushless slot car info & stuff

Postby stoo23 » Thu Feb 03, 2022 11:41 am

Hi guys, Have noticed an Increasing amount of 'posts' and Chat about 'Brushless' slot cars etc, using ostensibly Drone motors and appropriate ESC's etc and it seems that one of the Main proponents (in the UK), Richard Mack (of Mack Chassis Fame) and some others, have formed the ....
"Brushless Slot Car Racing Association" see here;
https://www.facebook.com/groups/308254371195488

Some very interesting stuff happening now regarding usage and development of suitable ESC's and Will, I am sure continue to develop further,.. worth a 'Look' at least.

With the right ESC and Suitable Motor one Could devise a relatively Cheap, easily maintained and 'Interesting' Class of Racing :)

Greg Erskine
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Re: Brushless slot car racing association UK

Postby Greg Erskine » Thu Feb 03, 2022 12:43 pm

I can't see the point.

Is there a shortage of different types of slot car motors?

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stoo23
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Re: Brushless slot car racing association UK

Postby stoo23 » Thu Feb 03, 2022 4:24 pm

Hey Greg,.. well, Yeah,.. In some ways I am with you on that,.. :)
Was simply that there Does seem to be some 'Growing' activity and interest in them.

There seems to be quite a few people using them in Dragsters, but with serious dudes like Richard Mack and some others beginning to experiemnt and having Specialzed ESC's built,.. who knows ?? :)

For those interested,.. Here are the Various 'links' on Slotblog alone about Brushless cars.

http://slotblog.net/forum/507-brushless-slot-car-technology/

Greg Erskine
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Re: Brushless slot car racing association UK

Postby Greg Erskine » Thu Feb 03, 2022 9:10 pm

I can see all the same old issues starting all over again except this time there is the ESC and the motors.

The motors might be cheap, high quality and high performance but once even higher performance versions are released by slot cars manufacturers the price climbs. In RC cars/drones the performance is capped by the energy in the battery versus the length of the race/flight. Not an issue for slot car tracks, so the performance race starts.

Did I read it right that the ESC drops some voltage and they can adjust the maximum output voltage?

Is the ESC is open sourced? (to avoid price gouging).

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stoo23
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Re: Brushless slot car racing association UK

Postby stoo23 » Fri Feb 04, 2022 9:54 am

Yes,.. I seem to recall much earlier version required / Dropped upto 1.1v, but seems the current (No Pun intended lol) versions only drop about .7volts, which Isn't really a Huge Issue for Slot Car Tracks, compared to limited Battery Power/life etc, but even only .7v isn't a Huge amount of loss.

I am Unsure about the Maximum Output Voltage adjustment, although I do Not think that is Exactly what Happens, but may in effect be part of what Does happen with whatever 'Throttle' adjustments may provide (ie % variance etc).

As far as Higher Performance version being released by Slot Car companies,.. Hmm,.. I am somewhat unsure of that either Happening,.. OR being Needed as such,... (well atleast Not atm or even in the Near Future necessarily), as there is Already a Huge number of 'Theoretically' suitable Drone style motors, with the simple suitability being the Power Rating/capability of the various Motor models,... all depending on available Track Power voltage etc.

I believe there Are Open Source ESC's & Software being developed, one by Richard Mack, (I think) and also one from somewhere in Europe ?? Some talk of someone in Canada building the suitably Low Voltage requirement ESC' etc, but am thinking is obviously Very Early days.

That being said, There IS the "Talon 25" unit available, With it's associated USB programming Interface unit along with suitable Software and Firmware Updates to Convert the Talon 25 into a Dedicated Slot Car Controller, which is all relatively Affordable and seemingly Very Easy to do.

Strangely, when I first heard of this and read about it, it was with Dragsters and Wing Cars,.. which Seemed appropriate as you would think Both would tend to suit the Simplicity, (with the Early Dragsters using in effect an Electronic 'Switch' instead of a True ESC as such, so am somewhat surprised by the Serious Development happening in England,.. where Virtually All of Their tracks are Diametrically Different to the 'Norm' of what is run on in the US, being Far smaller, Flatter and tighter etc and No Huge High Power Speed Bowl types of tracks.

More of a Club oriented scenario or EuroSport situation and style of Car etc, so operationally, They MUST be working OK to some degree to function adequately on the Smaller British style of track, where Full Power for Long periods would be rare and would involve far more Slow Turns and small straights etc,.. ??? Who Knows eh,.. go figure.

Some seem to allude to the whole concept being Unsuitable to 'Spec' style racing,.. (especially those that come from the RC World),.. But Seeing what the Theoretical Possibilities could be with The modified Talon controllers,.. I would Imagine a Very 'Controlled' "Hand Out" type of scenario could possibly Work Very well for a True 'Spec' style Class, where the Race organisers would Provide Both the Motors and possibly Even the ESC's as well, (as a Unit), with ALL the ESC's Setup Identically and Motors Checked for Max Voltage / RPM etc.
Once Installed in whatever Chassis was being Used by the Competitors, the Cars could be Held in 'Parc Ferme', to disallow any 'Fudging' by the Individual Racers and Should (In Theory), provide for Very Even Racing and performance,.. for realistically Not a HUGE amount of money, especially considering the Useful Lifespan of Both the Motors AND ESC's etc.

How this may work out In Real Life racing/crashing scenarios is I guess yet to be seen and understood as well as how well the 'Wound' Rotors work and remain true running after many On Track / Heavy 'Off Piste' excursions occur,..compared to the Solid Rotor types.

Anyway,.. as I said, I just thought some may be interested to see and be made aware of the various developments occurring and is possibly something to 'Keep an Eye' on even just for Pure Electronic Interest etc :)

Talon 25 Conversion Video:
https://www.youtube.com/watch?v=6KXI_k7pv4Y

As a guide, the Talon 25 is available here in Aus' for about $84.00 and the often Mentioned EMAX 1108 motors around $24.00
The software appears to be Free for the Conversion (as far as I can see) and the USB Programming 'Link' is I think about another $25.00 or so :)

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stoo23
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Re: Brushless slot car racing association UK

Postby stoo23 » Sun Mar 20, 2022 2:35 pm

Well,.. it looks like Stefano Mirabelli of Model Drome in Milano, who (apparently) first 'suggested' the possibility of running the smaller 11 & 12 series Drone motors in Slot cars and has been working on & developing a suitable ESC for them, has now made an Official announcement of the Unit's availability. :) :)

276020963_1978473692354494_2570946796819901587_n.jpg
276020963_1978473692354494_2570946796819901587_n.jpg (40.88 KiB) Viewed 592 times

They are, (as you can see) very Small and Nicely 'Packaged' and seem to provide Very Smooth Low and High Speed performance.

See here; https://www.facebook.com/modeldromemilano/videos/bldc-control-official-release/4906529892774439/

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stoo23
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Re: Brushless slot car racing association UK

Postby stoo23 » Mon Mar 21, 2022 12:05 am

Well, Another interesting further development, regarding Motors.

Due to the way Drone motors are used, the motor Drive Shaft exits on the Wrong end of the motor for easy slotting use, so requires the 2mm shaft to be replaced with a suitable 2mm shaft, like a Koford 2mm axle etc.

Not such a difficult choice,.. for those more mechanically & technically minded lol

BUT one of the guys seriously involved in promoting Brushless usage etc in the UK, had contacted a popular drone motor supplier called Beta FPV which has sent him some samples of some lower powered motors with an appropriately situated shaft more suitable to slot racing.

The specific units are only 3800kv units, which would provide similar performance to a good Falcon type motor.

Beta FPV 3800kv slot motor_1m.jpg
Beta FPV 3800kv slot motor_1m.jpg (137.77 KiB) Viewed 594 times

Things seem to be developing quite well :)

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stoo23
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Re: Brushless slot car racing association UK

Postby stoo23 » Mon Mar 21, 2022 12:14 am

Being unaware of Stefano's imminent release of his ESC, I had already ordered a couple of these units;

esc-for-motor-thruster-750x423.jpg
esc-for-motor-thruster-750x423.jpg (30.63 KiB) Viewed 593 times

They are 'Self Starting' and apparently operate smoothly from 3volts and made by Flycolor & also suitably small approx' 30mm x 15mm and about $29.00Aus.

brady
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Re: Brushless slot car info & stuff

Postby brady » Fri Apr 29, 2022 8:08 pm

we are getting to old for this stuff Stoo!

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stoo23
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Re: Brushless slot car info & stuff

Postby stoo23 » Sat Apr 30, 2022 2:25 pm

Ha Ha Ha,.. Hey Brad,.. You reckon ??
I Dunno mate,.. I'm rather Intrigued by it all :)

Am hoping to have a car up and running soon :)